The 12 best gas generators of 2025

⚡ 4500 Peak Watt | 3600 Rated Watt on Gas or 4200 Peak Watt | 3300 Watt on Propane! Powered by Genkins's 4 Choke 233 cc Engine

⚡ Dual Energy Source, run on gas or propane!

⚡ 4 Gal Gas Tank, ensure a 6.5 run time at full load or 9 hours at half load

⚡ Ideal for light buds, Small or Large Appliance, Air Compressors, Power Tools etc

⚡ 1 Year Manufacture Warranty! Parts & Service on us within first year of purchase!!

【Powerful Engine And Safe For Sensitive Electronics 】The GENMAX 1200 Starting Watts Inverter Generator is powered by a 57cc 4- stroke OHV gas engine,with inverter technology produce 1200 Starting Watts/ 1000 Running Watts clean power (less than 3% THD), confidently connect your sensitive electronics such as TV, lights, fans, small power tools and more on camping trips, etc.

【Ultralight And Small Size】At only 25.3pounds, GM1200i is one of the lightest 1000w inverter in this industry. The sturdy handle makes it easy to carry for long distance.

【Extremely Quiet,Fuel Efficient】 As Low as 58 dBA Noise Output with 25% loading at 23 feets, and up to 6.5 Hours of Run Time with 50% loading on a 0.66 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency.

【Power Panel】Includes low oil alarm, overload alarm,Co warning light and output indicator features “Eco mode” for conserving energy and maximum fuel efficiency ，120V/20A outlets and one5V / 1A outlets , one 5V / 2.1A outlets ,parallel ready.

【CO Detect Shutdown】 Includes CO Detect shutdown sensor for Prevention of Carbon Monoxide Poisoning.

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 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 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 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

3600 Running Watts and 4650 Peak Watts; Recoil Start; 4 Gallon Fuel Tank With Fuel Gauge; Up to 14 Hours of Run Time Per Tank

Feature Two 5–20R 120V Household Duplex Receptacle, One RV-Ready TT-30R 30 Amp Receptacle, and One L5-30R 30 Amp Receptacle; All Outlets Have Rubber Covers for Added Safety

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

Powered by a 212cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil and Carbon Monoxide (CO) Shutdown

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

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

Portable Power Solution: The iQ5200 8945 inverter generator is your go-to portable power source for outdoor adventures, from camping trips to tailgating events, ensuring stable power without disturbing your surroundings

Convenient Electric Start: Say goodbye to manual cranking. The electric start feature, with the included battery, ensures easy and hassle-free operation, so you're always prepared for unexpected outages

Quiet Operation: The fully enclosed case minimizes noise levels, making this generator ideal for home backup, camping, and outdoor use without loud disruptions

Fuel Switching Convenience: Whether you are using gasoline or an LP gas fuel source, using the fuel source selector allows the unit to switch seamlessly between fuel types to prevent unit shutdown. COsense Technology stops, alerts, saves, powerful

Smart and Reliable: Equipped with LED indicators for low oil, overloaded, and ready-to-use. Featuring two USB ports for device charging, and parallel-ready capability for doubling your power output, this generator is a versatile and dependable choice

223cc 4-stroke OHV engine produces 4500 peak watts and 3600 rated watts with recoil start for up to 10 hours at quarter-load on 2.65 gallon, 60Hz

Intelligent gauge keeps track of voltage ,run-time and hertz and track power output, plus feature low oil led and economic mode to save fuel and reduce volume

Includes 120V AC two 20A outlets and one 30A Twist-Lock, one 12V DC 8.3A outlet, Type A/C ports; Parallel ready to connect 2 generators for twice the power (parallel kit sold separately)

Aceup Energy's inverter technology produces the clean power required by a variety of sensitive electronics, such as phones, laptops and other outdoor electronics

5-in-1 Knob:fuel on/shut-off,engine on/off,choke;When turning off the engine, the fuel switch is turned off at the same time, which avoids the risk

All portable generators are functionally tested in the factory to guarantee quality; EPA compliant; Backed by a 2 year limited and free lifetime technical guidance from experts

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.

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

2550 Peak Watts and 1900 Rated Watts at Less Than 3% THD – Weighs Only 42.4 Lbs. – Gas or Propane Powered – One RV Ready TT-30R Outlet, Two 120V 20 Amp Outlets, and Two USB Outlets

Great Choice for Home Use as an Emergency Backup in a Power Outage – Strong Enough to Run All Your Home Essentials

Extremely Quiet, Extremely Fuel Efficient: As Low As 52 dBA Noise Output and Up to 12 Hours of Run Time on a 1.16 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency

Plug-and-Play: Comes With 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

1,200 Peak Watts/ 900 Running Watts of power

The Single Cylinder, 2-Stroke Engine with Recoil Start and Durable, Compact Design are perfect for camping and other outdoor recreation

1.1 Gallon Fuel Tank gives you up to 5 hours of continuous operation at half load

(2) 120V Outlets and (1) 12V DC Output provide you with ample space for powering tools and other devices

Backed by a 1 Year Limited Warranty

Not supposed to run AC units. We are not responsible for any customer misuse

Keep your family safe with 5600 starting watts and 4500 running watts of power

Wheel and handle kit makes for easy transport between uses

4.3-gallon gas tank provide up to 12.5 hours of half-load run time

Packed panel includes two standard 120V 5-20R 20-amp outlets, one RV-ready 120V 30-amp TT-30R outlet, and one transfer-switch-ready 120V 30-amp NEMA L5-30R twist lock receptacle

Features a 224cc engine and a three-year limited warranty