The 13 best whole house generators consumer reports of 2025

Remote Monitoring Anywhere: With Generac 7043 22kW Mobile Link Wi-Fi connectivity, effortlessly track generator performance from anywhere. Stay updated on status and maintenance alerts, ensuring peace of mind even when you’re away

Whole House Protection: Enjoy comprehensive coverage with Generac's 200 Amp NEMA 3R smart switch, designed for outdoor use with an aluminum enclosure. This ensures that your home remains powered and protected during power outages

Long-Term Assurance: Backed by a 5-Year Limited Warranty, this automatic transfer switch delivers lasting performance and peace of mind, ensuring your investment in a Generac transfer switch will serve you well for years

High-Quality 22kW Power: True Power Technology delivers clean, stable 22,000 watts with under 5% harmonic distortion. Generac’s low-maintenance engines run quieter and use less fuel for efficient, reliable home power

Crafted for Excellence: Proudly engineered and assembled in the USA, our generators stand as testament to quality and craftsmanship. The purpose-built G-Force Engine is designed to handle the demands of usage, ensuring reliability and reduced maintenance

Easy Installation: Generac recommends your new Home Standby Generator to be installed by a certified and licensed electrician

Perfect as a backup power source for larger homes or a dependable source of portable power

14,500 peak watts, 11,500 running watts (gasoline); 13,500 peak watts, 10,500 running watts (propane); 12,000 peak watts, 9,500 running watts (natural gas)

Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank

Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

28,000 Peak Watts and 20,000 Running Watts; Easy-Access Start Panel with Remote Start Key Fob, Push-Button Electric Start, Engine Shut Off, and Battery Charging Port; Up to 11 Hours of Run Time at 50% load on a 17 Gallon Fuel Tank With Fuel Gauge

Featuring Four GFCI 120V 5–20R Standard Household Outlets, Two 50A 120/240V 14-50R Outlets, Two 30A 120/240V L14-30R Outlets, One 30A 120V L5-30R Outlet, and ST Switch Outlet; All Outlets Have Rubber Covers for Added Safety

Powered by a Heavy Duty 999cc Westinghouse V-Twin OHV Engine Featuring a Cast Iron Sleeve, Reinforced Steel Handles with Quick-Release Pins, Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Idle Control

Plug-and-Play: Oil, Funnel, Setup Guide, and Manual to Get You Started Right Out of the Box; Digital Readout Displays Lifetime Run Hours, Volts, and Frequency

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed by 3-Year Limited Service, Labor, and Parts Coverage with Nationwide Customer Service Network

Powerful Performance: Engine displacement 149 cubic centimeters Generates 4600 starting watts and 3600 running watts, providing AC 120V/60Hz ample power for various RV appliances and equipment.

Lightweight Portability: Weighs only 56 lbs, making it easy to lift and transport by hand for convenient camping and off-grid use.

Pure Power: 3% THD of clean power output. Inverter technology provides clean stable source of power for sensitive electronics such as, laptops, TV's, phone chargers and sensitive power tools

RV-Ready Connectivity: totally 5 power outlets Includes a TT-30R adapter, allowing direct connection to your RV for hassle-free power supply.

Low Idle Technology + Extended Run Time: 2.6-gallon fuel tank provides up to 8 hours of continuous operation at 50% load, minimizing the need for frequent refueling.

Compliant To The Latest Standards: Our portable inverter generator is EPA, PGMA certified and is equipped with a CO sensor with auto shutdown technology. A-iPower stands behind its products and offers a 3 Year Warranty.

Powerful Engine: 322cc OHV high performance 4 cycle engine. This portable inverter generator has an engine that is fuel-efficient, reliable, powerful providing long life and excellent heat dissipation

High Output + Quiet: 7,600 starting watts with 6,100 running watts on gas and 6,900 starting watts with 5,500 running watts on propane. Sound level as low as 62dB.

Pure Power: 3% THD of clean power output. Inverter technology provides clean stable source of power for sensitive electronics such as, laptops, TV's, phone chargers and sensitive power tools.

Low Idle Technology + Compact Design: Lightweight for easy transport and mobility with telescoping handle and flat free wheels. Extended run time of 10hrs at 25% load with 3.6 gallon fuel tank.

Fuel Sense Technology: This portable inverter generator automatically switches from propane to gasoline for a combined run time of up to 21.2 hrs at 25% load.

13,000 Watts of Reliable Power for Home Power Backup – Keep your home, job site, or RV powered during storms and outages with dual fuel capability and a heavy-duty build.

Dual Fuel Technology – Gasoline or Propane – Choose between gasoline for maximum power or propane for longer run times and cleaner emissions, ensuring fuel flexibility in any emergency.

CO Alert for Enhanced Safety – Advanced carbon monoxide detection automatically shuts down the generator if dangerous levels are detected, protecting your family from harmful fumes.

Push-Button Electric Start & Intuitive Control Panel – Easily start your generator with the push of a button, and quickly switch fuel types using the front-facing fuel selector.

Transfer Switch-Ready with 50-Amp Outlet – Power your entire home by connecting directly to a transfer switch, thanks to the 50A heavy-duty outlet.

Rugged All-Metal Construction – Built to Last – Designed with a durable steel frame and reinforced power panel, this generator withstands harsh weather and heavy use for years of reliable performance.

13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane); 10000 Peak Watts, 8500 Running Watts (Natural Gas); Remote Start With Included Key Fob, Electric and Recoil Start; Up to 19 Hours of Run Time on a 9.5 Gallon Fuel Tank With Fuel Gauge

Features Two GFCI 120V 5–20R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 14–50R; All Outlets Have Rubber Covers for Added Safety

Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter

Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, and Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

Power: 4400 starting watt and 3600 running watt clean power (less than 3% THD), 5.1 hours run time at 50% load

Convenience: Equipped with a 30A outlet, efficient power for RV, Emergencies, and Outdoor Adventures

Quiet Operation: 59 dBA from 23 feet at 25% load, 76 dBA from 23 feet at full load

Panel: Two three-prong 120V 20A receptacle, one 120V 30A receptacle, one 12V DC Outlet, parallel ports

Features: Eco Mode, Low Oil Shutdown, Overload Reset

EPA compliant low-emission generator, UL 2201 safe generator with CO shutoff

Seamless 24/7 Power – No refueling, no manual operation, no extension cords needed and backed by our 10 year limited warranty

Sub Zero Start – 24V starting system designed to operate down to -22º F

Easy Access – Innovative gullwing enclosure for easy installation and service

Quiet Power – Low tone muffler and sound dampening liner for residential operation

ATS50 – 50 amp, 10 circuit, outdoor rated (NEMA 3R) automatic transfer switch

Mobile Link Remote Monitoring. Allows you to monitor the status of your generator from anywhere in the world using a smartphone, tablet, or PC, for FREE. Easily access information, such as the current operating status and maintenance alerts

The Ecogen is designed to interact with off-grid renewable energy applications. Capable of tying into an inverter and battery storage system to feed the energy source providing the cleanest running, low emission solution to recharging house batteries

Extended Run Capability: This innovative oil circulation system extends the maintenance intervals by an unprecedented 5 times the industry standard by offering 500 hour maintenance intervals

True Power Electrical Technology: Superior harmonics and sine wave form produce less than 5% Total Harmonic Distortion for utility quality power. This allows confident operation of sensitive electronic equipment, such as the variable speed HVAC systems

Gasoline: 14500 Running Watts and 18000 Peak Watts; Propane: 13000 Running Watts, 16000 Peak Watts; Electric Start and Remote Start with Included Key Fob; Up to 11 Hours of Run Time on a 10. 5 Gallon Fuel Tank With Fuel Gauge

Features Two GFCI 120V 5–20R Standard Household Receptacles, One 120V L5-30R Outlet, One Transfer Switch Ready 120V L14-30R, One RV Ready 120/240V 14–50R, and Two 5V USB Ports; All Outlets Have Rubber Covers for Added Safety

Powered by the Ultra Duty 713cc OHV V-Twin Westinghouse Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter

Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

9000 Running Watts and 11000 Peak Watts (Gasoline), 8100 Running Watts and 10000 Peak Watts (Propane) at Less Than 3% THD; Remote Electric Start With Included Key Fob, Push Button and Recoil Start; Up to 17 Hours of Run Time on a 9.8 Gallon Fuel Tank

Features Two GFCI 120V 5–20R Standard Household Outlets, One Transfer Switch Ready 120V L14-30R Outlet, and One Transfer Switch Ready 120/240V 14–50R Outlet; All Outlets Have Rubber Covers for Added Safety

Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours

Powered by a Heavy Duty 452cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Carbon Monoxide (CO) Sensor

Plug-and-Play: Comes With a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)

All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

With 13,000 watts of power, the XP13000EH Dual Fuel generator will keep your whole home running during a storm or power outage

DuroMax is the industry leader in Dual Fuel portable generator technology, with a full assortment ranging from digital inverters to generators that can power your entire home

At the core of all our products resides a robust DuroMax engine. Designed for Power. Designed to Last

The XP13000EH comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets (including a transfer switch-ready 50 amp outlet)

Constructed with a heavy-duty all metal frame and power panel - No plastic parts

Built to withstand severe weather and years of heavy wear-and-tear

Power wherever and whenever you need it - No-flat tires roll easily over any terrain

100% Copper Windings - Unlike aluminum, copper is a superior heat conductor that extends the life of your generator

Stay powered with our EH line of portable generators

DuroMax portable generators are designed to be mobile and versatile, with the ability to provide power whenever and wherever you need it. Unlike traditional standby generators that are large, expensive, yet only serve one purpose, DuroMax generators will power you whether you’re at home, on an RV trip, or at the jobsite