Best Fuel Efficient Portable Generator 2021 - Top 10 Picks

This is the ultimate buyer's guide to finding the right fuel efficient portable generator to suit your needs. We review the 10 bestfuel efficient portable generator on the market so you know that your next decision will be a smart one!

When you're trying to select the good fuel efficient portable generator, there are a lot of factors to consider. This page has everything you need to know in one place.

This guide will help you avoid the pitfalls that come with researching fuel efficient portable generator.

You don't have to try out every fuel efficient portable generator to find one that meets your needs. After extensive research and hours of in-person tests, we've found the best fuel efficient portable generator to be WEN 56380i Super Quiet 3800-Watt Portable Inverter Generator with Fuel Shut-Off and Electric Start. There are a lot of sub-par products out there, but this product is one of the highest quality you'll find. Next best option is Westinghouse Outdoor Power Equipment iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts, Gas Powered, Electric Start, RV Ready, CARB Compliant.

Choosing the fuel efficient portable generator can be a daunting task, especially if you're doing it for the first time. Here's what we recommend based on our extensive research. We've compiled a list of the highest rated fuel efficient portable generator. The following products are some of the best you can get right now.

List of Top 10 Fuel Efficient Portable Generator

Review of Best Fuel Efficient Portable Generator

1. WEN 56380i Super Quiet 3800-Watt Portable Inverter Generator with Fuel Shut-Off and Electric Start

  • Dimensions: 23.2" L x 18" W x 20.1" H | Weight: 99.2 lb
  • EPA III and CARB Compliant
  • 212cc 4-stroke OHV engine produces 3800 surge watts and 3400 rated watts with a half-load runtime of up to 8.5 hours
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Produces clean power to prevent damage to sensitive electronics such as smart phones, tablets and laptops

2. Westinghouse Outdoor Power Equipment iGen4500 Super Quiet Portable Inverter Generator 3700 Rated & 4500 Peak Watts, Gas Powered, Electric Start, RV Ready, CARB Compliant

  • 3700 Rated Watts and 4500 Peak Watts at Less Than 3% THD – Telescoping Handle – Gas Powered – Remote Start With Included Key Fob, Electric and Recoil Start
  • Features a 5–20R 120V Duplex Household Outlet, an RV-Ready Tt-30R 30 Amp Outlet and Two USB Outlets – Great Choice for Travel Trailers or Home Use – Strong Enough to Run All Your Essentials
  • Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours
  • Extremely Quiet, Extremely Fuel Efficient: as Low as 52 dBA Noise Output and Up to 18 Hour Run Time on a 3. 4 Gallon Gas Tank – Features “Economy Mode” for Maximum Fuel Efficiency
  • All Westinghouse Portable Generators are Functionally Tested in the Factory and May Contain Minimum Residual Oil and/or Fuel Odor; EPA and CARB Compliant; Backed By 3-Year Limited Service, Labor, and Parts Coverage and Nationwide Customer Service Network

3. WEN 56203i Super Quiet 2000-Watt Portable Inverter Generator w/Fuel Shut Off, CARB Compliant, Ultra Lightweight

  • Ultralight body weighs in at a mere 39 pounds for easy transport and storage
  • Extremely quiet operation comparable to the sound of a normal conversation according to the US Department of Health and Human Services
  • Produces 2000 surge watts and 1700 rated watts of clean power for safe charging of sensitive electronics (phones, tablets, televisions, computers, etc.)
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Includes two three-prong 120V receptacles, one 12V DC receptacle, two 5V USB ports, and a two-year warranty

4. DuroMax XP4000S Portable Generator-4000 Watt Gas Powered Camping & RV Ready, 50 State Approved

  • Plenty of Power – With 4,000 peak watts and 3,300 running watts, this unit can handle heavy loads, from lights and a refrigerator to a home air conditioner and high amperage power tools
  • Powerful Engine – The DuroMax 208cc OHV engine is a workhorse that provides plenty of power to handle multiple jobs, from powering high voltage appliances to heavy duty power tools
  • Low Oil Shutoff – Protects your investment by automatically shutting the generator off when it senses that the oil is low
  • Power Panel – The power panel includes a selection of outlets for maximum compatibility in your applications including: (2) 120V household outlets and (1) 120V 30A twist lock outlet. The panel also includes a voltmeter for measuring voltage output
  • Complies with Emissions Standards – All DuroMax generators are both approved by the EPA (Environmental Protection Agency) and CARB (California Air Resources Board) and follow strict guidelines to ensure our generators are as environmentally friendly as possible

5. Westinghouse Outdoor Power Equipment iGen2200 Super Quiet Portable Inverter Generator 1800 Rated & 2200 Peak Watts, Gas Powered, CARB Compliant

  • 1800 Rated Watts and 2200 Peak Watts at Less Than 3% THD - Weighs Only 46 Lbs. - Gas Powered - Two 120V 20 Amp Outlets, 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 12 Hour Run Time on a 1.14 gal. (4.3 L) - Features "Economy Mode" for Maximum Fuel Efficiency
  • Parallel Capable - Combine Your iGen2200 with the Westinghouse WH2200iXLT, iGen1200, iGen2200, and iGen2500 to Increase Available Wattage and Amperage (Requires Westinghouse Parallel Cord)

6. WEN 56225i 2250-Watt Gas Powered Portable Inverter Generator with Fuel Shut-Off, CARB Compliant , Black

  • Dimensions: 19" x 11.5" x 18.2" | Weight: 48.5 lbs
  • Noise Level: 53 dB operation
  • EPA III and CARB Compliant 79.7 cc 4-stroke OHV engine produces 2000 surge watts and 1600 rated watts
  • Fuel shutoff maximizes the generator’s lifespan by using up the remaining fuel in the carburetor before shutting down
  • Produces clean power to safely operate and prevent damage to sensitive electronics such as phones, tablets, televisions and computers

7. Durostar DS10000EH Dual Fuel Portable Generator-10000 Watt Electric Start-Home Back Up & RV Ready, 50 State Approved, Red/Black

  • Plenty of Power – With 10,000 starting watts and 8,000 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 DuroStar 439cc 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, (1) 120V 30A twist lock outlet, (1) 240V 30A outlet, and one 240V 50A outlet. The panel also includes a voltmeter and 12V DC charging posts for charging external batteries

8. A-iPower SUA2000iV 2000 Watt Portable Inverter Generator Gas Powered, Small with Super Quiet Operation for Home, RV, or Emergency

  • Produces 2,000 starting watts with 1,600 running watts of clean and safe power for sensitive electronics such as phones, televisions, laptops, and other electronics
  • Complete with A-iPower’s “Low idle” technology for an extended run time of 4 hours at 100% load and 7 hours at 50% load
  • Equipped with a low oil alert light and low oil automatic shutdown, helping keep your generator performing year after year
  • Powerful 79cc OHV 4-Stroke engine provides an abundant power supply yet runs at a super quiet operation of only 52 decibels
  • Light weight and compact at only 48 pounds, making your tailgate or camping experience as smooth as possible

9. Firman P01201 1500/1200 Watt Recoil Start Gas Portable Generator cETL and CARB Certified, Black

  • Lightweight and easy to use; The P01201 portable generator is ready to perform; Best used for tent camping, Tailgating, picnics; California emission certified
  • 1500 Starting watts/1200 running watts, 1.7-Gallon tank, 12-hour run time
  • Power small devices, lightweight and portable, economical portable power, value driven
  • Reliable recoil start
  • Best in industry 3 Year

10. Firman W03083 3300/3000 Watt Remote Start Gas Portable Generator cETL and CARB Certified, Black

  • 3300 starting watts/ 3000 running watts, 1. 8 gallon tank, 9 hour run time
  • Recoil, remote, and electric start, remote start/stop from a distance of 168 feet
  • Fuel efficient economy mode, low THD (under 3%), volt Lock automatic voltage regulator, power Stream alternator.Frequency (Hz):60
  • Max Pro Series 171cc Firman Engine, Phoenix Fat Head Block for enhanced Engine efficiency, whisper Series muffler, USDA Forest Service approved spark arrester, parallel capable (parallel cables not provided)
  • Built in tuff-stuff handle & wheels for easy portability and Consumer convenience – no assembly required. Durable compact design with integrated ergonomic handle

Last update on 2021-12-02 / Affiliate links / Images from Amazon Product Advertising API

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