Best Natural Gas Standby Generator in 2024: In-depth Reviews

Your 8000-watt portable generator operates on natural gas, propane, or gasoline, plus natural gas and propane hoses are included so the unit is ready to run on any fuel right out of the box

Power up the 459cc Champion engine with the handy rocker switch, battery included. Gasoline Tank Material-Steel

Track voltage, frequency, session run time, and total run time to monitor output and track maintenance intervals, plus the UL-recognized sensor uses an LED to indicate CO shutoff or fault

Gasoline: 10,000 starting watts and 8000 running watts, propane: 9000 starting watts and 7200 running watts, natural gas: 8750 starting watts and 7000 running watts and engine oil is included

Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts

All-new control center with a digital multimeter, push-button start, and a front-facing fuel interface allowing you to change your fuel type in seconds! The digital multimeter displays voltage, frequency, total hours run, and hours until the recommended maintenance

This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice

Equipped with DuroMax “CO Alert Technology” that will automatically shut down the generator if an unsafe level of carbon monoxide is detected

Built using a powerful 500cc OHV DuroMax engine and features ALL COPPER WINDINGS designed to make your generator last for years

The fully loaded power panel includes four 120V GFCI household outlets, one 120V 30AMP outlet, one 120/240V 30AMP twist-lock outlet, and a heavy-duty 120/240V 50AMP outlet making it transfer switch ready!

Plenty of Power – With 4,400 starting watts and 3,500 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools

Dual Fuel Technology – This generator runs on gasoline or propane, giving you the freedom and flexibility of fuel choice

Powerful Engine – The DuroMax 210cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools

MX2 Technology - Get the maximum power from each of the 120-volt receptacles. Choose between operating the generator at both 120V and 240V simultaneously, or at 120V only with full power. Ideal for usage with RVs

Fully Featured Power Panel – The power panel includes a wide selection of outlets for maximum compatibility in your applications including: (2) 120V household GFCI outlets and (1) 120/240V 30A twist lock outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries

Powerful DuroMax Engine: the XP12000EH is powered by a DuroMax, 457cc OHV engine..With Gasoline : Peak Wattage - 12,000., Running Wattage - 9,500., Running Amperage at 120V - 79.17., Running Amperage at 240V - 39.58., Runtime at 25% Load - 19., Runtime at 50% Load - 8With Propane : Peak Wattage - 11,400., Running Wattage - 9,025., Running Amperage at 120V - 75.21., Running Amperage at 240V - 37.6., Runtime at 25% Load - 14., Runtime at 50% Load - 7Please read the detailed safety instructions in the manual before operating.

Dual fuel technology: the ability to run on propane or gasoline allows the freedom and flexibility of fuel choice. Protects your investment by automatically shutting the generator off when it senses that the oil is low

Plenty of power: with 12,000 starting watts and 9, 500 running watts, This unit can handle heavy loads from lights and a refrigerator to a home air conditioner and high amperage power tools.

Maximum power: with DuroMax MX2 technology, get the maximum power from each of the 120 volt receptacle. Choose between operating the generator at both 120 V and 240 V Simultaneously, or at 120 only with full power.

Powering everyone anywhere: like all DuroMax generators, the XP12000EH is EPA and CARB approved For use in all 50 States.

Engine Type: 4-Stroke

With Gasoline : Peak Wattage - 12,000., Running Wattage - 9,500., Running Amperage at 120V - 79.17., Running Amperage at 240V - 39.58., Runtime at 25% Load - 19., Runtime at 50% Load - 8

With Propane : Peak Wattage - 11,400., Running Wattage - 9,025., Running Amperage at 120V - 75.21., Running Amperage at 240V - 37.6., Runtime at 25% Load - 14., Runtime at 50% Load - 7

Please read the detailed safety instructions in the manual before operating.

Powers 16-circuits of your home with the 100-amp, NEMA 3R (indoor or outdoor rated) transfer switch with aluminum enclosure

True Power 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 that’s more reliable and requires less routine maintenance than any competitive engine.

Mobile Link Wi-Fi allows users to monitor the status of the generator from anywhere in the world using a smartphone, tablet, or PC

5 year limited warranty

5-Year limited Warranty for automatic standby generators.

True power technology delivers best-in-class power quality with less than 5 percent total harmonic distortion for clean, Smooth operation of sensitive electronics and appliances.

General G-force engines are purpose-built, pressure-lubricated engine capable of handling the rigors of generator use, resulting in power that’s more reliable and requires less routine maintenance than any competitive engine.

Transfer Switch Not Included

Totally Automatic – The ATS50 Emergency Essentials Automatic Transfer Switch has 8 available circuits and provides seamless power to your home during an outage

Quietest-in-Class – Thanks to advanced sound dampening and a specially designed low-tone muffler, this generator operates at a residential-friendly 59.5 dBA noise level

Reliable – 24-volt starting system operates in sub-zero or extreme heat (between -22° F and 104° F) with no warming kit necessary, plus the generator performs weekly self-diagnostic tests

Powerful – The 8.5-kilowatt generator provides 8500 watts of continuous power on propane and 7500 watts on natural gas, with no refueling, no manual operation and no extension cords needed

Champion Support – Includes 10-year limited warranty with FREE lifetime technical support from dedicated experts

True power technology delivers best-in class power quality (less than 5% thd) for Smooth operation of sensitive electronics and appliances

Includes a 200 amp NEMA 3 (indoor/ outdoor rated) whole house Smart transfer switch

Generac evolution controller features LED indicators for generator status, utility power presence or maintenance required

Tough, durable all-weather aluminum enclosure offers 3 removable sides for easy access for installation, service and maintenance

Battery not included. Generac Battery 7043 5819 Sold Separately.

Totally Automatic – The ATS100 Emergency Essentials Automatic Transfer Switch has 12 available circuits and provides seamless power to your home during an outage

Quietest-in-Class – Thanks to advanced sound dampening and a specially designed low-tone muffler, this generator operates at a residential-friendly 63 dBA noise level

Reliable – 24-volt starting system operates in sub-zero or extreme heat (between -22° F and 104° F) with no warming kit necessary, plus the generator performs weekly self-diagnostic tests

Powerful – The 12.5-kilowatt generator provides 12,500 watts of continuous power on propane and 11,000 watts on natural gas, with no refueling, no manual operation and no extension cords needed

Champion Support – Includes 10-year limited warranty with FREE lifetime technical support from dedicated experts