Picture this: a storm rolls in, the lights flicker, and then everything goes dark. Your home’s comfort and safety rely on electricity for heat, refrigeration, and communication. In these moments, a dependable 12 kW generator is more than an appliance; it’s a lifeline. These powerful units are engineered to handle the simultaneous load of essential home systems, offering peace of mind whether you choose an automatic standby unit or a versatile portable model. This guide is designed for homeowners seeking reliable backup power, comparing ten top-rated 12 kW and equivalent generators to help you find the right solution.

Selecting the right generator involves more than just wattage. You need to consider fuel options, start-up methods, and the specific appliances you aim to power. To help you navigate the choices, we have evaluated a range of products, focusing on key performance and usability features. For a broader look at powerful home backup solutions, explore our guide on the best 10 kW generators for home backup. Now, let’s dive into the detailed comparison.

1
-10%
Generac 14kW Whole Home Standby Generator with Cellular Monitoring
Best Seller

Generac 14kW Whole Home Standby Generator

9.9 /10
BRD Score
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$4,799.00 Save $479.90
$4,319.10
The Generac 14kW is a fully automatic whole-home backup generator that delivers reliable power during outages with cellular remote monitoring via the Mobile Link app. Ideal for homeowners seeking comprehensive protection without the hassle of manual startup.
Pros & Cons

Pros

  • Truly automatic operation detects outages and starts instantly without manual intervention
  • Remote monitoring via smartphone app provides peace of mind and real-time maintenance alerts
  • 14kW capacity handles whole-home power including HVAC, refrigeration, and multiple circuits simultaneously
  • Dual fuel capability (LP or natural gas) offers flexibility and extended runtime options
  • Proven reliability with 5-year limited warranty and extensive field-tested performance history

Cons

  • Generates noticeable noise during operation, which may be a concern in noise-sensitive areas
  • Fuel consumption is substantial during continuous operation, requiring adequate fuel supply planning
  • Mobile Link premium subscription required for full remote monitoring capabilities
Detailed Review

The Generac 14kW Whole Home Standby Generator is a premium automatic backup power solution designed for homeowners who want seamless protection during power outages. This unit automatically detects utility power loss and starts within seconds, ensuring your family stays comfortable and connected without any manual intervention required.

What sets this generator apart is its cellular connectivity feature, allowing you to monitor performance and control operations remotely via the Mobile Link app from anywhere. The 14,000-watt capacity provides comprehensive whole-house coverage for heating, cooling, refrigeration, lighting, and essential appliances simultaneously. Electronic fuel and ignition controls optimize efficiency while reducing emissions, delivering lower operating costs than comparable models.

Built with reliability in mind, the generator features oil level sensors to maintain readiness, improved cold-start performance for harsh climates, and a sloped roof design that prevents ice and snow intrusion. The fully enclosed stainless steel construction protects the internal combustion engine while maintaining a compact footprint at 391 pounds. This design philosophy extends to integration with the Generac Home Energy Ecosystem, allowing seamless coordination with ecobee thermostats and PWRcell battery systems.

The main consideration is operational noise and fuel consumption during extended runtime. Users report substantial gas usage during continuous operation, though this is typical for generators of this capacity. Additionally, accessing full remote monitoring features requires a Mobile Link premium subscription beyond the base unit cost.

Overall, the Generac 14kW represents an excellent investment for homeowners seeking reliability, convenience, and comprehensive backup power. With proven performance, extensive dealer support, and 24/7 customer service, this generator delivers true peace of mind during outages.

Specifications

Power Output: 14,000 watts running, 14,000 watts starting
Voltage: 240 volts, 60 hertz
Fuel Options: Liquid Propane (LP) or Natural Gas
Engine: Internal combustion with electronic ignition
Special Features: Automatic idle control, dual fuel capability, fully enclosed design, overload protection, super quiet operation

Physical Dimensions: 46.4 inches length x 26.3 inches width x 30.7 inches height
Weight: 391 pounds
Material: Stainless steel construction
Warranty: 5-year limited warranty
Connectivity: Built-in cellular capability with Mobile Link app integration
Model Number: 7258

Buyer Guide

Is This Generator Right for You? The Generac 14kW is ideal for homeowners with 3-4 bedroom houses who want automatic, hands-off backup power. It's perfect if you value remote monitoring, live in areas with frequent outages, or have critical loads like medical equipment or home office setup.

Installation Considerations: This unit requires professional installation by a licensed electrician and connection to your existing natural gas or LP fuel line. Plan for proper placement with adequate clearance for ventilation and maintenance access. The 391-pound weight requires secure installation on a prepared pad.

Maintenance Requirements: Generac highlights best-in-class service intervals, meaning minimal maintenance beyond regular oil and filter changes. The generator includes automatic oil level monitoring to help ensure readiness between service visits.

Budget Planning: Factor in installation costs, potential fuel line upgrades, and Mobile Link subscription fees for remote monitoring. Consider fuel costs during extended outages as a 14kW generator consumes significant quantities during continuous operation.

2
-9%
Westinghouse 13500W Dual Fuel Portable Generator with Remote Start & Transfer Switch Ready
Editor's Pick

Westinghouse 13500W Dual Fuel Portable Generator

9.9 /10
BRD Score
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$1,099.00 Save $100.00
$999.00
The Westinghouse WGen10500DFc delivers 13,500 peak watts with dual fuel flexibility (gas or propane), electric remote start, and 19-hour runtime, making it an excellent choice for homeowners seeking reliable backup power for whole-house coverage during outages.
Pros & Cons

Pros

  • Exceptional power output handles demanding loads like air conditioning and multiple appliances without strain
  • Dual fuel option eliminates concerns about stale gasoline while propane stores indefinitely for emergency readiness
  • Remote start key fob is genuinely convenient during storms or when quick activation is needed
  • Minimal assembly required with clear instructions, battery charger, and all tools included for immediate use
  • Excellent build quality with cast iron engine components and robust frame design backed by 3-year warranty

Cons

  • At 230 pounds, transport requires two people or mechanical assistance despite included wheels and handle
  • Open frame design means weather protection requires additional investment in a portable generator cover
  • Propane conversion requires separate connection setup, adding complexity versus gasoline-only models
Detailed Review

The Westinghouse WGen10500DFc is a premium dual-fuel portable generator engineered for homeowners who demand reliable whole-house backup power during outages. With 13,500 peak watts and 10,500 running watts on gasoline, this unit tackles simultaneous loads including air conditioning, refrigeration, and household lighting without compromise. It's designed for those serious about emergency preparedness who want professional-grade performance in a portable package.

What truly sets this generator apart is its intelligent dual-fuel capability and remote start functionality. The ability to switch between gasoline and propane eliminates the stale fuel problem that plagues single-fuel generators, while the included remote key fob lets you start the unit from inside your home during dangerous weather. The 19-hour runtime on a single tank means fewer interruptions during extended outages, and the transfer switch-ready outlets enable professional installation for seamless whole-home integration.

Build quality is exceptional throughout. The 500cc 4-stroke OHV engine features a durable cast iron sleeve, automatic low-oil shutdown, and integrated CO sensor for family safety. The control panel is intuitive with clear labeling, fuel gauge for monitoring consumption, and digital hour meter for maintenance tracking. Included components like the battery charger, oil, tool kit, and comprehensive manual get you running within 15 minutes of unboxing.

The primary consideration is weight and footprint. At 230 pounds with dimensions of 27.2 by 26.1 by 26.5 inches, this generator requires dedicated storage space and assistance for relocation. Additionally, the open frame design means weather protection requires a separate cover investment. Propane operation requires initial setup for tank connection, though this is straightforward following the included instructions.

This is a solid investment for homeowners prioritizing reliability and fuel flexibility. The combination of powerful output, dual-fuel operation, remote start convenience, and robust construction makes it a top choice for serious backup power needs. If whole-house coverage during extended outages matters to you, the Westinghouse WGen10500DFc delivers excellent value and performance.

Specifications

Power Output: 13,500 peak watts (gasoline), 10,500 running watts (gasoline), 12,500 peak watts (propane), 9,500 running watts (propane)

Engine: 500cc 4-stroke OHV Westinghouse engine with cast iron sleeve and automatic low-oil shutdown

Fuel Capacity: 9.5 gallons with up to 19 hours runtime

Outlets: Two 120V 20A household receptacles (GFCI), one 120V 30A transfer switch ready (L14-30R), one 120/240V 50A RV ready (14-50R)

Starting: Electric start with remote key fob plus recoil backup

Additional Features: CO sensor, automatic voltage regulation, fuel gauge, hour meter, USB port, overload protection

Dimensions: 27.2L x 26.1W x 26.5H inches

Weight: 230 pounds

Warranty: 3-year limited warranty with nationwide technical support

Buyer Guide

Is This Right for You? Choose this generator if you need whole-house backup power, want flexibility with fuel options, and value professional installation capability. It's ideal for homeowners in areas prone to extended outages and those who prioritize safety features like CO shutdown.

Installation Considerations: This unit is transfer switch ready, meaning you'll want to hire a licensed electrician to install a transfer switch and interlock kit for safe whole-home integration. This professional installation ensures safe operation and prevents backfeeding to the utility grid. Budget approximately 500 to 1,500 dollars for professional installation depending on your electrical setup.

Fuel Strategy: For emergency preparedness, consider storing propane in addition to keeping gasoline fresh with fuel stabilizer. Propane stores indefinitely, making it ideal for long-term backup readiness. Keep at least one full propane tank on hand for extended outage scenarios.

Maintenance and Storage: Perform routine maintenance including oil checks, air filter inspection, and monthly brief runs to keep the engine conditioned. Store in a dry location with a protective cover. The included battery charger helps maintain the 12V battery during off-season storage.

Noise Level: While quieter than comparable units, expect approximately 74 decibels at quarter load. Position the generator away from neighbors' property lines and run it during daylight hours when possible to maintain good community relations.

3
Limited Time

Westinghouse WGen9500DF 12500W Dual Fuel

9.8 /10
BRD Score
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The Westinghouse WGen9500DF delivers 9,500 running watts and 12,500 peak watts with dual fuel capability, remote electric start, and transfer switch ready outlets for whole-home backup power. This is the ideal generator for homeowners seeking reliable emergency power with the flexibility of gasoline or propane operation.
Pros & Cons

Pros

  • Exceptional value at this price point with premium features like dual fuel and remote start typically found in higher-priced models
  • Dual fuel capability provides cost savings and flexibility, with propane offering cleaner operation and indefinite storage versus gasoline
  • Generous 12-hour runtime combined with large 6.6-gallon tank capacity reduces refueling frequency during extended power outages
  • Transfer switch ready design with 30A and 50A outlets enables powering multiple essential household circuits simultaneously
  • Portable yet powerful design with heavy-duty wheels and lift bracket makes relocation easy despite 210-pound weight

Cons

  • Heavy at 210 pounds requires adequate storage space and assistance for frequent repositioning despite included wheels
  • Generator ships with oil drained for safety, requiring immediate oil fill before first use or engine damage will result
  • Transfer switch, extension cords, and inlet boxes sold separately, adding to total installation cost for whole-home backup setup
Detailed Review

The Westinghouse WGen9500DF is a premium portable generator designed for homeowners who need reliable backup power without compromise. With 9,500 running watts and 12,500 peak watts, it delivers sufficient power for essential household appliances, making it ideal for emergency preparedness or powering remote locations like vacation properties and job sites.

What truly sets this generator apart is its dual fuel capability and remote start functionality. You can seamlessly switch between gasoline and propane operation even while the generator is running, giving you flexibility in fuel sourcing and cost management. The included remote key fob allows starting from up to 260 feet away, while the electric push-button start and traditional recoil backup ensure you'll always get it running regardless of circumstances.

Build quality is exceptional with a durable 457cc Westinghouse 4-stroke engine featuring a cast iron cylinder sleeve designed for longevity. The automatic low oil shutdown protects your investment, and the integrated VFT display provides real-time monitoring of voltage output, frequency, and lifetime operating hours. The inclusion of both 30A and 50A transfer switch ready outlets means you can power major appliances and multiple circuits simultaneously through a single connection point.

The main consideration is that this generator requires proper setup before first use, including filling the oil reservoir with the supplied oil. Additionally, while portable with included wheels and handle, the 210-pound weight means you'll want permanent storage location planning. Transfer switch installation requires a licensed electrician and involves additional expense for the switch, inlet box, and extension cords.

For homeowners seeking a powerful, versatile backup power solution with dual fuel flexibility and remote convenience, the WGen9500DF represents excellent value. Its combination of features, runtime capability, and build quality make it a smart investment in home energy independence and emergency preparedness.

Specifications

Power Output: 9,500 running watts (gasoline), 8,500 running watts (propane), 12,500 peak watts (gasoline), 11,200 peak watts (propane)

Engine: 457cc Westinghouse 4-stroke OHV air-cooled engine with cast iron cylinder sleeve and automatic low oil shutdown

Fuel Capacity: 6.6 gallons (25 liters) with integrated fuel gauge

Runtime: Up to 12 hours on gasoline at rated load

Starting System: Push-button electric start, remote key fob (260 feet range), recoil start backup

Outlets: Two 120V GFCI 20A household outlets, one 120V 30A transfer switch ready outlet, one 120/240V 50A RV ready outlet

Dimensions: 27.2 inches L x 26.1 inches W x 26.5 inches H

Weight: 210 pounds

Warranty: 3-year limited warranty with lifetime technical support

Buyer Guide

Who Should Buy This Generator? Homeowners seeking comprehensive backup power for emergencies, property owners with vacation homes or cabins, contractors needing reliable jobsite power, and anyone prioritizing fuel flexibility and remote convenience features.

Installation Considerations: For whole-home backup capability, you'll need to hire a licensed electrician to install a transfer switch. The generator supports both 30A and 50A transfer switch configurations, allowing you to power different combinations of household circuits. Budget separately for the transfer switch, inlet box, and connection cords.

Fuel Selection Guide: Use gasoline for immediate availability and maximum power output. Switch to propane for long-term storage (propane stores indefinitely), cleaner operation, lower maintenance, and cost savings. The intuitive dial on the control panel makes fuel switching effortless, even during operation.

Maintenance and Care: Before first use, fill the crankcase with the supplied oil to avoid engine damage and warranty voidification. The automatic low oil shutdown provides protection, but regular oil checks are recommended. The digital hour meter helps track maintenance intervals. Propane operation reduces overall engine maintenance compared to gasoline-only generators.

Storage and Portability: Despite its 210-pound weight, the included heavy-duty wheels, handle, and lift bracket make relocation manageable. Store in a dry location protected from the elements. The compact footprint (approximately 27 inches long) fits most garage spaces and storage sheds.

4
Top Rated

Westinghouse 14500W Dual Fuel Portable Generator

9.8 /10
BRD Score
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The Westinghouse WGen11500DFc delivers 14,500 peak watts with triple fuel capability (gas, propane, natural gas), electric remote start, and transfer switch ready outlets for whole-home backup power. Ideal for homeowners seeking reliable emergency backup or contractors needing portable job site power.
Pros & Cons

Pros

  • Exceptional power output handles whole-home backup including AC, refrigerator, sump pump, and entertainment systems simultaneously
  • Triple fuel option provides maximum flexibility and security when primary fuel sources become unavailable during extended outages
  • Extended 19-hour runtime on single tank reduces refueling frequency during multi-day power disruptions
  • Remote electric start and push-button ignition eliminate frustration of manual pull-cord starting in emergency situations
  • Comprehensive safety features including CO sensor, automatic oil shutdown, and GFCI outlets protect family and equipment

Cons

  • At 230 pounds, the unit requires significant physical effort to move despite wheels and handle, making solo repositioning challenging
  • Unit produces notable noise during operation, which may be concerning for noise-sensitive residential areas or early morning use
  • Initial assembly required and remote start fob location during shipping can cause confusion for some users despite responsive customer support
Detailed Review

The Westinghouse WGen11500DFc is a premium dual-fuel portable generator engineered for homeowners requiring dependable emergency backup power and contractors needing versatile job site electricity. With 14,500 peak watts and 11,500 running watts on gasoline, this unit bridges the gap between compact portables and permanent standby systems, making it ideal for larger homes, travel trailers, and commercial applications.

The standout feature is undoubtedly the triple fuel capability, allowing operation on gasoline, propane, or natural gas. This flexibility provides genuine security during extended outages when fuel availability becomes unpredictable. The 19-hour runtime on a standard 9.5-gallon tank means one daytime fill-up can sustain most homes through an entire night, while the 7-hour propane runtime offers alternative fuel flexibility. Remote electric start with key fob and push-button ignition eliminate the frustration of manual pull-cord starting when you need power most.

Build quality reflects Westinghouse's engineering focus. The heavy-duty 550cc 4-stroke OHV engine features a durable cast iron sleeve that runs cooler and lasts longer than standard aluminum designs. Copper windings and sub-5% THD technology enable safe operation of sensitive electronics including computers, phones, and televisions. The transfer switch ready L14-30R and 50A outlets allow professional integration into home electrical systems for seamless automatic switching during outages.

The primary drawback is weight and noise. At 230 pounds, repositioning requires genuine effort despite included never-flat wheels and handle. The unit also operates audibly, which may concern noise-sensitive neighbors or early morning users. Assembly is straightforward, though the remote start fob location during shipping has confused some buyers, though Westinghouse's responsive US-based technical support quickly resolves this confusion.

The Westinghouse WGen11500DFc represents excellent value for homeowners and professionals seeking reliable, feature-rich portable power with genuine backup capability and triple fuel flexibility. The comprehensive 3-year limited warranty and lifetime technical support provide confidence in your investment.

Specifications

Power Output: 14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane)

Engine: 550cc 4-stroke OHV with cast iron sleeve, electric start ignition system

Fuel Capacity: 9.5 gallons (gasoline), up to 19 hours runtime; 20 lbs propane tank, up to 7 hours runtime

Voltage and Frequency: 240 volts, 60 hertz

Outlets: Transfer switch ready L14-30R (30A) and 14-50R (50A) for major appliances plus standard GFCI outlets

Safety Features: CO sensor, automatic low oil shutdown, overload protection, automatic voltage regulation

Dimensions: 28.9 inches length x 29.6 inches width x 26.9 inches height

Weight: 230 pounds with never-flat wheels and lift bracket

Warranty: 3-year limited warranty with lifetime technical support

Buyer Guide

Who Should Buy This Generator? Homeowners with larger residences needing whole-home backup power, property owners in areas with frequent outages, contractors requiring portable job site electricity, RV enthusiasts seeking extended camping power, and anyone prioritizing fuel flexibility and extended runtime.

Key Considerations: This generator excels at powering major appliances simultaneously through transfer switch ready outlets, making it superior for comprehensive home backup. The triple fuel option provides genuine security during extended emergencies. However, weight and noise make it less suitable for noise-sensitive environments or frequent manual relocation. Budget for professional transfer switch installation to maximize home integration benefits.

Maintenance and Care: The included automatic low oil shutdown and fuel gauge simplify routine maintenance. Regular oil changes and seasonal fuel stabilization ensure reliable operation. The hour meter tracks service intervals, and Westinghouse's lifetime technical support provides guidance on all maintenance questions.

Real-World Performance: Users report reliable cold-weather starting on propane, effortless assembly, responsive technical support, and excellent performance powering welders and high-demand equipment. The remote start feature proves invaluable during emergencies when quick activation matters most.

5

Westinghouse 12000W Dual Fuel Inverter Generator

9.8 /10
BRD Score
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The Westinghouse iGen12000DFc is a powerful 12,000W dual fuel inverter generator that delivers clean power safe for sensitive electronics with less than 3% THD. Ideal for homeowners seeking reliable whole-house backup power with the flexibility of gas or propane operation.
Pros & Cons

Pros

  • Exceptional runtime and fuel efficiency save money on fuel costs compared to traditional generators
  • Quiet operation makes it neighborhood-friendly for residential use and RV camping
  • Transfer switch ready design simplifies professional installation for home backup systems
  • Comprehensive package includes battery charger, oil, propane regulator, and toolkit
  • LED data center provides real-time monitoring of fuel level, runtime, and maintenance needs

Cons

  • Heavy at 187 pounds requires two people for setup and repositioning
  • Higher price point makes it a significant investment compared to basic generators
  • Requires professional installation for transfer switch integration to be code-compliant
Detailed Review

The Westinghouse iGen12000DFc is a premium dual fuel inverter generator designed for homeowners and property owners who need reliable whole-house backup power without compromising on electronics safety. With 12,000W peak output and 9,000W running wattage, this unit handles major appliances like air conditioners, water heaters, and refrigerators simultaneously. It's specifically engineered for those who demand both power and protection for sensitive devices.

What sets this generator apart is its inverter technology delivering less than 3% Total Harmonic Distortion, ensuring your electronics receive clean, stable power. The dual fuel option provides genuine flexibility, allowing you to switch between gasoline and propane based on availability and preference. The 457cc 4-stroke engine achieves an impressive 19-hour runtime at 25% load, meaning you can power your home through extended outages without constant refueling. Eco Mode further optimizes fuel consumption, reducing operational costs significantly.

The build quality is substantial and professional-grade. Heavy-duty construction with a cast iron sleeve engine, never-flat wheels, and a foldable handle make it both durable and reasonably portable for its size. The included LED data center displays real-time information on fuel level, power output, voltage, and maintenance schedules. Remote electric start with a key fob eliminates the frustration of pull-cords, while the low oil shutdown and integrated CO sensor provide essential safety features.

The transfer switch ready design with 50A and 30A outlets positions this as a serious backup power solution for homes. Installation requires professional setup to meet electrical codes, which adds to total project costs but ensures safety and insurance compliance. At 187 pounds, it's portable but demands proper handling and storage considerations.

This generator represents excellent value for homeowners in areas prone to power outages who refuse to compromise on electronics protection or convenience. The combination of runtime, fuel flexibility, quiet operation, and safety features justifies the investment for serious backup power needs.

Specifications

Power Output: 12,000W peak (gasoline), 9,000W running, 11,000W peak (propane), 8,100W running

Engine: 457cc heavy-duty 4-stroke OHV Westinghouse engine with electronic ignition

Fuel Capacity: 7.9 gallons gasoline tank, dual fuel capable with propane regulator kit included

Runtime: Up to 19 hours at 25% load on gasoline, approximately 17 hours rated

Noise Level: 64 dB with Eco Mode enabled

Outlets: One 14-50R 50A 120/240V, one L14-30R 30A 120/240V twist lock, one GFCI 20A 120V duplex, one ST Switch outlet

Dimensions: 30.2 inches length, 25.2 inches width, 26.6 inches height

Weight: 187.4 pounds

Features: Remote electric start with key fob, CO sensor, low oil shutdown, LED data center, parallel capable, transfer switch ready, flat-free tires, foldable handle

Warranty: 3-year limited warranty with lifetime technical support

Buyer Guide

Who Should Buy This Generator: Homeowners in areas prone to power outages, RV owners needing reliable backup power, small business operators requiring equipment protection, and anyone with sensitive electronics who cannot afford downtime or damage from dirty power.

Installation Considerations: While the generator itself is ready for transfer switch installation, you must hire a licensed electrician to properly integrate it with your home's electrical system. This ensures compliance with local electrical codes and maintains homeowner insurance coverage. Budget an additional 500-1500 dollars for professional installation.

Fuel Flexibility Advantage: The dual fuel capability means you can use whatever fuel source is available during emergencies. If gasoline is scarce, connect to a propane tank. If propane is unavailable, use gasoline. This flexibility provides genuine peace of mind during extended outages.

Maintenance and Operation: The included LED data center removes guesswork from maintenance scheduling. The generator includes all necessary startup components: oil, funnel, battery charger, and toolkit. Regular maintenance involves oil changes, spark plug inspection, and seasonal fuel stabilization. Inverter generators require less maintenance than traditional units.

Noise Considerations: At 64 dB with Eco Mode, this unit operates quietly enough for residential neighborhoods. For reference, normal conversation is about 60 dB. This makes it suitable for camping, RV use, and home backup without disturbing neighbors.

7
-13%
Pulsar 12000W Dual Fuel Portable Generator with Electric Start, Switch & Go, CARB Approved

Pulsar 12000W Dual Fuel Portable Generator

PulsarProducts
9.7 /10
BRD Score
BRD score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
$1,199.00 Save $159.02
$1,039.98
The Pulsar PG12000B delivers impressive 12,000 peak watts with seamless dual-fuel capability, allowing you to switch between gasoline and propane without shutting down. Ideal for homeowners seeking reliable whole-house backup power during outages or off-grid living situations.
Pros & Cons

Pros

  • Exceptional power output handles whole-house loads including HVAC, well pumps, refrigeration, and multiple simultaneous appliances
  • Propane option eliminates fuel degradation issues and provides cleaner, more convenient long-term storage compared to gasoline alone
  • Seamless fuel switching without shutdown is a game-changer for uninterrupted power during extended outages
  • Well-engineered portability with never-flat wheels and handles makes a 209-pound generator reasonably manageable for one person
  • Strong customer reviews confirm reliable real-world performance during actual power outages and off-grid applications

Cons

  • At 209 pounds and 28.5 inches long, this generator requires adequate storage space and some physical effort to relocate
  • Propane tank must be purchased separately, and 20-pound tanks may experience freeze-off issues in cold weather per user reports
Detailed Review

The Pulsar PG12000B is a premium dual-fuel portable generator engineered for homeowners who need serious backup power during extended outages or for off-grid applications. With 12,000 peak watts and 9,500 running watts on gasoline, this unit delivers enough power to run most residential systems simultaneously, including furnaces, well pumps, refrigerators, and air conditioning units. The dual-fuel capability with propane adds significant value for those seeking fuel flexibility and long-term reliability.

What truly sets this generator apart is the Switch & Go technology, which allows seamless transitions between gasoline and propane without shutting down the engine. This feature alone addresses a major pain point in backup power management. The electric push-button start with recoil backup ensures reliable ignition regardless of weather conditions, while the 3-in-1 digital meter provides real-time operational data. The multiple outlet configuration, including a 50-amp RV outlet and 120/240V twist-lock connections, accommodates virtually any power requirement you might encounter.

Build quality is evident in the durable steel frame and OHV engine design, which is CARB-approved for environmental compliance. The 10-inch never-flat wheels and drop-down handles make maneuvering a 209-pound unit more practical than expected, though this generator still requires dedicated storage space. Runtime extends to approximately 12 hours depending on load, providing substantial coverage during outages when paired with a propane tank.

The primary consideration is the upfront investment and space requirements. At approximately $1,040, this is a premium purchase, though verified customer reviews confirm exceptional performance in real-world outage scenarios. Storage demands are real due to its 28.5-inch length and significant weight. Additionally, propane tanks are sold separately, and users report that smaller 20-pound tanks may experience freeze-off in cold climates, requiring larger 40-pound tanks for reliable operation.

The Pulsar PG12000B represents an excellent choice for homeowners prioritizing whole-house backup power, off-grid enthusiasts, or anyone seeking a generator that combines impressive wattage with fuel flexibility. Customer testimonials consistently praise its reliability during actual power outages and its ability to handle demanding loads. If your budget allows and you have adequate storage space, this generator delivers the performance and peace of mind that justify its premium positioning.

Specifications

Power Output: 12,000 peak watts / 9,500 running watts (gasoline), 10,800 peak watts / 8,550 running watts (propane)

Engine: 457cc, single-cylinder, 4-stroke OHV, CARB-approved

Starting System: Electric push-button with recoil backup

Fuel Options: Gasoline or liquid propane with Switch & Go technology

Runtime: Approximately 12 hours at 50% load

Outlets: Four 120V outlets, one 120/240V twist-lock outlet, one 120/240V 50-amp RV outlet, one 12V DC output

Voltage: 120/240 volts AC

Frequency: 50 Hz

Dimensions: 28.5 inches L x 21.8 inches W x 22.2 inches H

Weight: 209 pounds

Warranty: 2-year manufacturer warranty

Included Components: Generator unit, mobility kit, propane hose

Buyer Guide

Who Should Buy This Generator? The PG12000B suits homeowners needing reliable whole-house backup power, off-grid residents supplementing solar systems, and anyone prioritizing fuel flexibility. Its 9,500-watt running capacity handles most residential loads, making it ideal for protecting essential systems during extended outages.

Power Capacity Considerations: With 9,500 running watts, you can typically operate a furnace, well pump, refrigerator, and multiple other devices simultaneously. However, high-draw appliances like electric stoves and large air conditioning units may require load management or a larger generator. Review your home's electrical panel and essential load requirements before purchase.

Fuel Storage and Setup: Propane offers superior long-term storage and cleaner operation compared to gasoline. Most users recommend 40-pound propane tanks to avoid freeze-off issues in cold climates. Plan for dedicated storage space due to the generator's 209-pound weight and 28.5-inch length. Proper ventilation and distance from living spaces are essential for safe operation.

Installation Recommendations: For whole-house backup, professional installation of a manual or automatic transfer switch is highly recommended. This prevents backfeeding into the utility grid and ensures safe integration with your home's electrical system. Many customers report using simple manual transfer switches with excellent results.

Maintenance: Regular maintenance includes oil changes, fuel stabilization if using gasoline, and periodic testing. The 2-year warranty covers defects, but proper care extends longevity significantly. Keep the generator clean and protected from weather when not in use.

8
Prime

DuroMax XP12000EH 12000W Dual Fuel Generator

9.7 /10
BRD Score
BRD score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The DuroMax XP12000EH delivers 12,000 starting watts and 9,500 running watts with dual fuel flexibility, making it an excellent choice for homeowners seeking reliable whole-home backup power during outages. Its robust construction, copper windings, and transfer switch compatibility make it a standout option for both emergency preparedness and RV applications.
Pros & Cons

Pros

  • Exceptional power output handles heavy loads including air conditioning units and full home appliances
  • Dual fuel capability extends runtime and provides fuel flexibility during supply shortages
  • Premium copper windings ensure durability and efficient performance over time
  • All-metal construction without plastic components resists weather damage and wear
  • Includes complete accessory kit with propane regulator, charging cables, and tools

Cons

  • At 224 pounds, this unit requires significant space and effort to move despite wheel kit
  • 8-hour runtime on full tank means regular refueling for extended outages
  • Higher price point compared to single-fuel portable generators with similar wattage
Detailed Review

The DuroMax XP12000EH is a premium dual fuel portable generator engineered for homeowners who demand reliable backup power during emergencies and extended outages. With 12,000 starting watts and 9,500 running watts, this unit delivers the capacity needed to power entire homes, making it ideal for families seeking peace of mind during severe weather events, grid failures, or as a versatile power solution for RV travel and job sites.

What sets the XP12000EH apart is its intelligent dual fuel technology, which allows operation on either gasoline or propane while doubling fuel life when running on propane. The electric start system eliminates manual pull-cord frustration, while the transfer switch-ready 50 amp outlet enables seamless integration with home electrical systems. The MX2 Power Boost technology intelligently doubles 120V power for sensitive appliances and RV equipment, protecting your devices while maximizing performance.

Build quality is exceptional throughout, with 100% copper windings instead of aluminum, providing superior heat conductivity that extends generator lifespan significantly. The heavy-duty all-metal frame and power panel resist corrosion and weather damage, while the no-flat tire wheels navigate rough terrain easily. DuroMax engineered this unit to withstand severe weather and years of heavy use without compromising reliability or performance.

The primary consideration is weight and size. At 224 pounds and measuring 29 by 30 by 26 inches, this generator requires dedicated storage space and planning for transport, though the included wheel and handle kit mitigates movement challenges. Additionally, the 8-hour runtime necessitates regular refueling during extended outages, though propane operation extends this window considerably.

The DuroMax XP12000EH represents an excellent investment for homeowners prioritizing dependable whole-home backup power, fuel flexibility, and long-term durability. Its comprehensive feature set, premium construction, and versatile fuel options make it a compelling choice for those willing to invest in genuine reliability and peace of mind.

Specifications

Power Output: 12,000 watts starting, 9,500 watts running at 240 volts and 60 hertz frequency.

Engine: 4-stroke DuroMax engine with 457 cubic centimeters displacement and electric start ignition system.

Fuel Capacity: 8.3 gallon tank with 8-hour runtime on full tank at 50% load.

Outlets: 6 total power outlets including transfer switch-ready 50 amp outlet, 240V outlets, and 120V outlets with MX2 Power Boost technology.

Construction: Heavy-duty all-metal frame with 100% copper windings, no plastic components. Dimensions: 29 inches length by 30 inches width by 26 inches height. Weight: 224 pounds.

Safety Features: CO sensor, low oil shutdown, and foldable handle for convenient storage. Includes propane regulator, oil funnel, spark plug wrench, tool set, wheel and handle kit, DC charging cables, and owner's manual. 3-year limited manufacturer's warranty.

Buyer Guide

Best For: Homeowners seeking whole-home backup power, RV enthusiasts needing portable electricity, and those prioritizing fuel flexibility and long-term reliability over budget-conscious purchases.

Power Requirements: This 12,000-watt generator handles most residential appliances simultaneously. Calculate your needs: typical home AC units require 3,500-5,500 watts, refrigerators 600-800 watts, and well pumps 1,200-2,000 watts. The 9,500 running watts provides comfortable capacity for most scenarios.

Fuel Considerations: Gasoline offers convenience and immediate availability, while propane provides longer storage life, cleaner burning, and extended runtime. Many users maintain both fuel options for maximum flexibility during extended outages.

Installation: The transfer switch-ready 50 amp outlet enables professional integration with home electrical systems through a qualified electrician. Never backfeed power into utility lines without proper installation.

Maintenance: Regular oil checks, seasonal fuel stabilization, and following the manufacturer's maintenance schedule ensure years of reliable operation. Store in a dry location and run monthly to keep the engine conditioned.

9
-10%
DuroStar DS13000MX 13,000W Dual Fuel Generator, Electric Start, Whole Home Backup

DuroStar DS13000MX 13,000W Dual Fuel Generator

DuroStar
9.6 /10
BRD Score
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$999.00 Save $100.00
$899.00
The DuroStar DS13000MX delivers 13,000 peak watts with flexible dual fuel capability (gas or propane) and push-button electric start, making it an excellent choice for homeowners seeking reliable whole-home backup power during emergencies. Its CO Alert safety feature, transfer switch compatibility, and strong customer ratings confirm it performs reliably when you need it most.
Pros & Cons

Pros

  • Exceptional power output handles whole-home backup including AC units without struggle, as confirmed by customer testing
  • Instant push-button start right out of the box, even for non-mechanical users following simple illustrated instructions
  • Dual fuel option provides storage flexibility and uninterrupted power during emergencies when one fuel type becomes unavailable
  • Advanced safety features including CO Alert automatic shutdown and GFCI outlets protect your household during extended outages
  • Competitive pricing for 13,000-watt capacity with included accessories like propane regulator, remote control, and tool kit

Cons

  • Weighs 220 pounds and requires a hand truck for delivery and repositioning, making solo setup challenging
  • Requires professional licensed electrician installation with transfer switch for whole-home use, adding to total setup cost
  • Propane runtime varies by tank size, so users must calculate fuel needs and manage propane supply independently
Detailed Review

The DuroStar DS13000MX is a premium dual-fuel portable generator designed for homeowners who need reliable whole-home backup power during storms, outages, and emergencies. With 13,000 peak watts and 10,500 running watts, this generator targets households seeking to power essential appliances like air conditioning units, refrigerators, and lighting systems when the grid fails.

What sets this model apart is its flexible dual fuel capability and user-friendly design. You can choose between gasoline for maximum power output or propane for extended runtimes and cleaner emissions. The push-button electric start works instantly out of the box, even for users without mechanical experience. The included propane regulator and remote control add convenience, while the 50-amp transfer switch ready outlet enables professional whole-home integration.

Build quality impresses with its rugged all-metal construction featuring a reinforced steel frame and power panel. This generator withstands harsh weather, heavy use, and years of storage without deterioration. The 500cc OHV engine delivers consistent, reliable power backed by a 3-year factory warranty and USA-based customer support.

The main drawback is its 220-pound weight, which necessitates professional delivery setup and a hand truck for repositioning. Additionally, whole-home installation requires hiring a licensed Master Electrician to install a transfer switch or interlock, adding to your total investment. Propane users must also manage tank supply and monitor runtime independently.

Overall, the DS13000MX represents excellent value for homeowners prioritizing reliability, fuel flexibility, and safety features. Customer feedback confirms it powers entire homes smoothly, handles AC startup demands, and starts reliably when needed most. This is a serious investment in emergency preparedness that delivers on its promises.

Specifications

Power Output: 13,000 watts peak, 10,500 watts running

Fuel Type: Dual fuel, gasoline or propane

Engine: 500cc OHV 4-stroke with electronic ignition

Runtime: 8.5 hours at 50% load on gasoline, varies by propane tank size

Outlets: 5 total outlets including 50-amp heavy-duty outlet for transfer switch connection

Voltage: 240 volts, 60 hertz frequency

Dimensions: 29.75 inches length, 27.5 inches width, 25.75 inches height

Weight: 220 pounds

Warranty: 3-year limited factory warranty

Included Accessories: Oil funnel, spark plug wrench, tool set, wheel and handle kit, propane regulator, remote control, owner's manual

Buyer Guide

Is This Right For You? The DS13000MX suits homeowners in hurricane-prone or storm-heavy regions, those with older homes lacking backup power, and anyone wanting fuel flexibility. If you need portable power for RVs, job sites, and emergency backup, this generator covers all three use cases.

Installation Requirements: For whole-home use, hire a licensed Master Electrician to install a transfer switch or interlock kit. This ensures safe integration with your home's electrical panel and prevents backfeed hazards. Budget additional installation costs beyond the generator purchase price.

Fuel Considerations: Gasoline offers maximum power but requires fuel stabilizer for long-term storage. Propane provides longer runtimes, easier storage, and cleaner operation but requires tank management. Many users choose propane for emergency preparedness since it stores indefinitely without degradation.

Safety Features: The CO Alert automatically shuts down the generator if carbon monoxide reaches dangerous levels, protecting your family. GFCI outlets and surge protection prevent electrical hazards. Never run the generator indoors or in enclosed spaces regardless of these safety features.

Maintenance: Change oil regularly, use fuel stabilizer in gasoline, and perform monthly test runs to ensure reliability when emergencies strike. The 3-year warranty covers factory defects but not maintenance-related issues.

10

Generac GP9500E 12,500W Tri-Fuel

9.5 /10
BRD Score
BRD score rating is a scoring system developed by our experts. The score is from 0 to 10 based on the data collected by the AI tool. This score doesn't impact from any manufacturer or sales agent websites. Learn more ›
The Generac GP9500E delivers 9,500 running watts and 12,500 starting watts across three fuel sources (gas, propane, natural gas), making it ideal for homeowners and contractors needing reliable backup power during outages or job site work. Its electric start, CO safety technology, and versatile outlet configuration make it a standout choice for serious power needs.
Pros & Cons

Pros

  • Tri-fuel capability provides genuine flexibility that single-fuel generators cannot match, especially valuable during prolonged outages
  • Robust 12,500 starting watts reliably powers demanding appliances that require high surge capacity at startup
  • Built-in CO detection and automatic shutdown adds critical safety layer for residential use near living spaces
  • Professional-grade outlet configuration includes both 50A and 30A options for different transfer switch setups
  • Three-year residential warranty and 24/7 U.S.-based support demonstrate manufacturer confidence and customer commitment

Cons

  • Heavy at 227 pounds, requiring two people for comfortable transport despite the included wheel kit
  • Some customers report startup issues, suggesting quality control inconsistencies that may require warranty service
  • Natural gas output (7,000 watts) and propane output (8,550 watts) are noticeably lower than gasoline output (9,500 watts)
Detailed Review

The Generac GP9500E is a tri-fuel portable generator built for homeowners, contractors, and emergency preparedness buyers who need serious backup power without being locked into a single fuel source. With 9,500 running watts and 12,500 starting watts on gasoline, this unit bridges the gap between mid-range and heavy-duty generators, offering enough capacity to run multiple household appliances or job site equipment simultaneously.

The standout feature is undoubtedly the tri-fuel capability. Switching between gasoline, liquid propane, and natural gas via a simple rotary dial means you adapt to whatever fuel is available during extended outages. Gasoline delivers peak wattage when maximum output matters, propane offers cleaner storage without degradation over time, and natural gas from your home supply line eliminates the need for tank refills during prolonged emergencies. The 12,500 starting watts handle the high surge demands of air conditioning compressors, well pumps, refrigerators, and large power tools that draw two to three times their running wattage at startup.

Build quality is solid, with a steel-tube cradle and professional-grade outlet panel featuring one 120V 20A GFCI duplex, one 120/240V 30A twist-lock, and one 120/240V 50A NEMA outlet. The electric start with included 12V battery eliminates manual pull-cord effort, though a recoil backup provides peace of mind if the battery is unavailable. COsense technology continuously monitors carbon monoxide levels and automatically shuts the unit down if dangerous concentrations are detected, adding a critical safety layer for use near structures or garages.

The main drawbacks are the 227-pound weight, which requires two people for comfortable movement despite the included wheel kit, and the notably lower output on propane (8,550W) and natural gas (7,000W) compared to gasoline. A few customers reported startup issues requiring warranty service, suggesting occasional quality control inconsistencies. Runtime reaches up to 14 hours at 25% load on gasoline or 10.5 hours at 50% load.

For homeowners and contractors needing flexible, high-capacity backup power with proven safety features, the GP9500E represents excellent value. The tri-fuel flexibility and robust starting watts make it one of the most versatile generators in its class, backed by a solid three-year residential warranty and responsive U.S.-based support.

Specifications

Power Output: 9,500 running watts (gasoline), 12,500 starting watts, 8,550 running watts (propane), 7,000 running watts (natural gas)

Engine: 500cc OHV 4-stroke with electric start and recoil backup, EFI technology for improved efficiency

Fuel Tank: 7.5-gallon capacity with up to 14 hours runtime at 25% load or 10.5 hours at 50% load on gasoline

Outlets: One 120V 20A GFCI duplex, one 120/240V 30A L14-30R twist-lock, one 120/240V 50A NEMA 14-50R with individual circuit breaker protection

Safety Features: COsense carbon monoxide detection with automatic shutdown, low oil shutdown protection

Dimensions and Weight: 27.2 inches L x 26.94 inches W x 27 inches H, weighs 227 pounds

Included: Engine oil, LP hose with regulator, 12V 9Ah battery, wheel and handle kit, owner's manual

Warranty: 3-year residential limited warranty, 2-year commercial limited warranty, 24/7 U.S.-based support

Buyer Guide

Best For: Homeowners needing whole-home backup during extended outages, contractors working remote job sites, RV owners, and emergency preparedness buyers who want fuel flexibility without sacrificing power output.

Consider This Generator If: You need 9,500+ running watts, value fuel flexibility over simplicity, want built-in CO safety features, and can accommodate a 227-pound unit. The tri-fuel capability is particularly valuable in areas prone to fuel supply disruptions or where natural gas lines are available.

Compare With Alternatives: Single-fuel generators in the 9,000 to 10,000 watt range cost less but lock you into one fuel source. Dual-fuel models offer less flexibility than tri-fuel. Higher-wattage units (10,000+W) provide more power but weigh significantly more and cost more.

Setup and Maintenance: Assembly of the wheel kit takes 30 minutes following included directions. The electric start makes routine operation convenient, while the included battery and recoil backup ensure reliability. EFI technology reduces maintenance intervals compared to traditional carbureted engines.

Safety Considerations: The COsense technology is essential if you plan to use this generator near living spaces, garages, or enclosed work areas. Always ensure proper ventilation, and review the owner's manual for safe outdoor placement guidelines.

How to Choose Your 12 kW Home Backup Generator

Standby vs. Portable: The First Major Decision

Your first choice is between an automatic standby generator and a portable unit. A standby generator, like the Generac 14kW Whole Home Generator, is permanently installed and connected to your home’s fuel line and electrical panel. It starts automatically during an outage, providing seamless, hands-free power.

Portable generators, such as the various Westinghouse and DuroStar models listed, offer greater flexibility. They can be used for home backup when connected via a transfer switch, but can also be taken to a job site or camping. They require manual setup and fueling but are often more affordable upfront.

Fuel Flexibility: Gas, Propane, or Both?

Dual-fuel capability is a significant advantage for emergency preparedness. Models like the Westinghouse 13500 Peak Watt Dual Fuel Home Backup can run on gasoline or propane. Propane stores indefinitely and burns cleaner, while gasoline is often more readily available. A tri-fuel option, like on the Generac model, adds natural gas, providing another layer of fuel security.

Your choice should be guided by local fuel availability and storage safety. Dual or tri-fuel generators give you options when one fuel type is scarce, a critical consideration during extended outages.

Start-Up Method and Ease of Use

Convenience is paramount during a stressful power outage. Electric start with a push-button or key fob, featured on most models here, is a major upgrade over manual recoil starting. Remote start allows you to power up the unit from inside your home, a valuable feature in bad weather.

Look for models with intuitive control panels, clear digital displays for monitoring output and runtime, and safety features like automatic low-oil and carbon monoxide shutdown. These features, as seen on generators with electric start, make operation safer and simpler for everyone.

Power Quality and Outlet Configuration

If you plan to power sensitive electronics like computers or modern appliances, low Total Harmonic Distortion (THD) is essential. Inverter generators, like the Westinghouse 12000 Peak Watt Dual Fuel, produce clean, stable power (≤3% THD) safe for delicate circuitry.

Ensure the generator has the right outlets for your needs. A 50-amp outlet is necessary for connecting to a home transfer switch, while multiple standard 120V household outlets allow you to plug in devices directly. Always confirm your specific appliance requirements against the generator’s running wattage, not just its peak output.

Final Thoughts

Choosing the right 12 kW generator ultimately depends on your need for automation versus portability and your preferred fuel sources. For homeowners seeking the ultimate in convenience and whole-house protection, the permanently installed Generac 14kW Whole Home Generator with its automatic start and cellular monitoring is a top-tier solution. For those who value flexibility and powerful performance in a portable package, the feature-rich Westinghouse 12000 Peak Watt Dual Fuel inverter generator offers clean power, impressive fuel efficiency, and quiet operation, making it an excellent choice for both home backup and other applications.

Frequently Asked Questions

What is the main difference between a 12 kW portable generator and a 12 kW standby generator?

The core difference is installation and automation. A 12 kW portable generator is a movable unit you store and must wheel out, connect to fuel, and start manually during an outage, typically using extension cords or a manual transfer switch. A 12 kW standby generator is permanently installed outside your home, connected directly to your fuel supply and electrical panel. It detects a power loss and starts automatically within seconds, providing seamless backup without any action required on your part.

Can a 12 kW generator really power my entire house?

It depends on your home’s specific electrical load. A 12 kW generator provides approximately 12,000 watts, which is sufficient to simultaneously run a collection of essential circuits, such as your refrigerator, well pump, furnace blower, lights, and some kitchen appliances. It may not power an entire central air conditioning system along with all other major appliances. You should perform a load calculation or consult an electrician to determine which circuits are most critical for your family’s safety and comfort.

Is it safe to run a portable generator in my garage if I leave the door open?

No, it is never safe to run a portable generator indoors or in an enclosed space, even with ventilation. Generators produce deadly carbon monoxide (CO) gas that can quickly build up and become fatal. Always operate portable generators outdoors, at least 20 feet away from your home, with the exhaust pointed away from windows, doors, and vents. Many modern generators include CO shutdown sensors for added safety.

How do I connect a portable 12 kW generator to my home’s electrical system?

You must use a transfer switch installed by a licensed electrician. Never plug a generator directly into a wall outlet, as this ‘backfeeding’ is extremely dangerous to utility workers and can damage your home’s wiring. A transfer switch creates a safe, dedicated connection between the generator and your home’s circuit panel, allowing you to power selected circuits. Look for generators labeled ‘transfer switch ready’ with a 30-amp or 50-amp outlet for this purpose.