March 28, 2026
10 Best Whole House Generator Standby Generators of 2026
Last Updated - March 28, 2026
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Our Rankings
Generac
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Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
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Why We Love It
- 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 youre 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. Generacs 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
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Our Rankings
Generac
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
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Main Highlights
- Remote Monitoring Anywhere: With Generac 7210 24kW Mobile Link Wi-Fi connectivity, effortlessly track generator performance from anywhere. Stay updated on status and maintenance alerts, ensuring peace of mind even when youre away
- Whole House Protection: Enjoy comprehensive coverage with Generacs model 200 Amp SER transfer 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 24kW Power: True Power Technology delivers clean, stable 24,000 watts with under 5% harmonic distortion. Generacs 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
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Our Rankings
Generac
Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
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Main Highlights
- Remote Monitoring Anywhere: With Generac 7172 10kW Mobile Link Wi-Fi connectivity, effortlessly track generator performance from anywhere. Stay updated on status and maintenance alerts, ensuring peace of mind even when youre away
- Whole House Protection: Keep your home powered during outages with Generacs 100 Amp 16-circuit transfer switch, designed for seamless integration with whole house generators. Its durable aluminum enclosure ensures reliable outdoor use and coverage
- 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 10kW Power: True Power Technology delivers clean, stable 10,000 watts with under 5% harmonic distortion. Generacs 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
4
Our Rankings
Westinghouse
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
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Main Highlights
- 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)
- Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve; 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
- Engineered with low THD, so it's safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
- All Westinghouse portable generators are gunctionally 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
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Our Rankings
Westinghouse
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
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Main Highlights
- 9500 Running Watts and 12500 Peak Watts (Gasoline); 8500 Running Watts, 11200 Peak Watts (Propane); Remote Start with Included Key Fob, Electric and Recoil Start; Up to 12 Hours of Run Time on a 6. 6 Gallon Fuel Tank with Fuel Gauge
- Features Two GFCI 120V 520R 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 1450R 50A; All Outlets Have Rubber Covers for Added Safety
- Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil Shutdown and Digital Hour Meter. VFT display gives you real time updates with the voltage output, frequency, and lifetime hours
- Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, an Oil Funnel, a Tool Kit, and a Users 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
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Our Rankings
Westinghouse
Westinghouse 18000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered, CO Sensor
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Main Highlights
- HUGE PORTABLE POWER: The WGen14500TFc tri fuel generator with CO sensor is an ideal power source for jobsites and emergency backup of larger homes. Gas: 18,000 peak watts, 14,500 running watts; Propane: 16,000 peak watts, 13,000 running watts; Natural gas: 14,400 peak watts, 11,600 running watts
- TRI FUEL WESTINGHOUSE WORKHORSE: Runs up to 16 hours at 25% load on a 10.5 gallon gas tank, powered by a heavy duty 713cc Westinghouse V-Twin OHV engine; Automatic low oil shutdown; Low idle mode; VFT data center shows voltage, frequency and lifetime hours for updates on output and maintenance
- LOW THDSAFE FOR SENSITIVE ELECTRONICS: At less than 5% THD, you can power phones, computers, TVs and more to stay connected with people, news and entertainment during outages, or on jobsites and campsites. Durable copper windings help the generator produce cleaner power, run cooler and last longer
- PLUG IN, POWER UP: Engineered to backup larger homes with ease. One 120/240V 14-50R 50A outlet, one 120/240V L14-30R 30A outlet, both are transfer switch and interlock kit ready; One 120V L5-30R 30A outlet; Two GFCI 120V 520R 20A standard duplex outlets; Two USB ports; All have rubber covers
- FULL OF FEATURES: Push button and remote start for quick and easy use; Includes a CO shutdown for safety; As low as 74 dBA operating volume; Reinforced steel handles and lift bar; Comes with oil, funnel and setup guide so you're ready to go
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Our Rankings
Westinghouse
Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue
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Main Highlights
- 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 17 Hours of Run Time at 25% load on a 17 Gallon Fuel Tank with Fuel Gauge
- Featuring Four GFCI 120V 520R 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 With a Cast Iron Sleeve, Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Idle Control
- Engineered with Low THD, So It's Safe for Sensitive Electronics. Power Phones, Computers, TVs and More. Stay Connected with People, News and Entertainment During Power Outages, or on Jobsites and Campsites. Durable Copper Windings Help Your Generator Produce Cleaner Power, Run Cooler and Last Longer
- 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; Comes with Reinforced Steel Handles with Quick-Release Pins
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Our Rankings
Honeywell
Honeywell 14kW Home Standby Generator
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Main Highlights
- PrecisionPower Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances
- Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power thats more reliable and requires less routine maintenance than any competitive engine.
- Quiet-Test Self-Test Mode runs at a lower RPM for a five or twelve minute test, making generators significantly quieter than other brands while consuming less fuel.
- Smart, User-Friendly Controls. Honeywell Generator's Sync Controller features a multilingual LCD display that allows users to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition.
- Tough, Durable All-Aluminum Enclosures: Our RhinoCoat powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.
9
Our Rankings
Westinghouse
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
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Main Highlights
- 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 520R 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 1450R 50A; 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 Users 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
10
Our Rankings
Honeywell
Honeywell 18kW Home Standby Generator
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Main Highlights
- PrecisionPower Technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, smooth operation of sensitive electronics and appliances
- Generac's G-Force Engine is a purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power thats more reliable and requires less routine maintenance than any competitive engine.
- Quiet-Test Self-Test Mode runs at a lower RPM for a five or twelve minute test, making generators significantly quieter than other brands while consuming less fuel.
- Smart, User-Friendly Controls. Honeywell Generator's Sync Controller features a multilingual LCD display that allows users to monitor battery status and track maintenance intervals to ensure your generator is always in top operating condition.
- Tough, Durable All-Aluminum Enclosures: Our RhinoCoat powder-coated finish helps make corrosion-resistant aluminum perfect for all weather conditions.