10 Best Natural Gas Generators

Last Updated February 2020 Based on 3957 Reviews
1 Best of the Best!
Duromax XP4850EH 3850 Running Watts/4850 Starting Watts Dual Fuel Electric Start Portable Generator
DuroMax Duromax XP4850EH 3850 Running Watts/4850 Starting Watts Dual Fuel Electric Start Portable Generator
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9.7 Greet
Product Highlights
  • POWERFUL DUROMAX ENGINE: The XP4850EH is Powered by a DuroMax 7HP, 212cc OHV Engine.
  • DUAL FUEL TECHNOLOGY: The ability to run on Propane or Gasoline allows the Freedom and Flexibility of Fuel Choice.
  • PLENTY OF POWER: With 4,850 starting watts and 3,850 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 XP4850EH is EPA and CARB approved for use in all 50 states.
2
Westinghouse iGen4500DF Dual Fuel Inverter Generator - 3700 Rated Watts & 4500 Peak Watts - Gas &Propane Powered - Electric Start - CARB Compliant
Westinghouse Westinghouse iGen4500DF Dual Fuel Inverter Generator - 3700 Rated Watts & 4500 Peak Watts - Gas &Propane Powered - Electric Start - CARB Compliant
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9.4 Greet
Product Highlights
  • 3700 Rated Watts and 4500 Peak Watts at Less Than 3% THD - Telescoping Handle - Gas or Propane Powered - Remote Start With Included Key Fob, Electric and Recoil Start
  • Features a 5-20R 120V Duplex Household Outlet, an RV-Ready Tt-30 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: 52 Db Noise Output and Up to 18 Hour Run Time on a 3. 4 Gallon Gas Tank - Features "Efficiency Mode" for Maximum Fuel Efficiency
  • Three Year and Free Lifetime Technical Support at 1-855-944-3571 - EPA, USFS, and CARB Compliant (Legal for Sale in California)
3
Champion 3500-Watt Dual Fuel RV Ready Portable Generator
Champion Power Equipment Champion 3500-Watt Dual Fuel RV Ready Portable Generator
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9.1 Greet
Product Highlights
  • Dual Fuel - Operate your 3500-watt portable generator right out of the box on either gasoline or propane, plus the unit holds 0.6-quarts of oil and has a low oil shut-off sensor
  • Powerful - At 4375 starting watts and 3500 running watts on gasoline and 3950 starting watts and 3150 running watts on propane, trust Volt Guard built-in surge protector to prevent overloads
  • Intelligauge - Keep track of voltage, hertz and run-time hours to easily monitor power output and track maintenance intervals
  • Outlets - One 120V 30A RV outlet (TT-30R), one 120V 30A locking outlet (L5-30R) and two 120V 20A household outlets (5-20R)
  • Champion Support - Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts.Gasoline Starting Amps at 120V:36.5 A
4
Westinghouse WGen9500DF Dual Fuel Generator-9500 Rated 12500 Peak Watts-Gas or Propane Powered-Electric Start Portable Generator, Blue
Westinghouse Westinghouse WGen9500DF Dual Fuel Generator-9500 Rated 12500 Peak Watts-Gas or Propane Powered-Electric Start Portable Generator, Blue
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8.8 Very good
Product Highlights
  • Gas: 9500 running watts and 12500 peak watts, propane: 8, 500 running watts, 11, 200 peak watts; remote start with included key fob, electric and recoil start; up to 17. 5 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, one RV ready 120/240V 14-50r, and two 5V USB ports; 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
  • 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)
  • Epa and CARB Compliant; Backed By a 3-Year; Nationwide Customer Service and Support Network at 1-855-944-3571
5
Titan Controls 8-Burner Carbon Dioxide (CO2) Generator, Natural Gas, 120V - Ares 8
Titan Controls Titan Controls 8-Burner Carbon Dioxide (CO2) Generator, Natural Gas, 120V - Ares 8
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8.4 Very good
Product Highlights
  • CO2 is scientifically proven to improve the performance of plants
  • Provide a clean & efficient way to enrich your grow area with CO2
  • Comes with everything you need to get your CO2 system started
  • All you need to provide is a gas source
  • 1.5 Amps/120 Volts/60 Hz
6
DuroMax XP5500EH 5,500 Watt 7.5 HP Portable Electric Start Dual Fuel Gas/Propane Generator
DuroMax DuroMax XP5500EH 5,500 Watt 7.5 HP Portable Electric Start Dual Fuel Gas/Propane Generator
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8 Very good
Product Highlights
  • Powerful DuroMax Engine: the XP5500EH is powered by a DuroMax 7.5HP, 224cc OHV engine
  • Dual fuel technology: the ability to run on propane or gasoline allows the freedom and flexibility of fuel choice
  • Plenty of power: with 5, 500 starting watts and 4, 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 XP5500EH is EPA and CARB approved For use in all 50 States
7
DuroMax XP4400EH Dual Fuel Electric Start Portable Generator, Blue and Black
DuroMax DuroMax XP4400EH Dual Fuel Electric Start Portable Generator, Blue and Black
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7.7 Good
Product Highlights
  • Powerful DuroMax Engine: the XP4400EH is powered by a DuroMax 7HP, 208cc OHV engine.
  • Dual fuel technology: the ability to run on propane or gasoline allows the freedom and flexibility of fuel choice.
  • Plenty of power: with 4, 400 starting watts and 3, 500 running watts, This unit provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy duty 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 XP4400EH is EPA and CARB approved For use in all 50 States.
8
DuroMax XP5500E 5,500-Watt Gas Powered Portable Generator
DuroMax DuroMax XP5500E 5,500-Watt Gas Powered Portable Generator
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7.3 Good
Product Highlights
  • POWERFUL DUROMAX ENGINE: The XP5500E is powered by a 7.5HP 224cc DuroMax engine.
  • PLENTY OF POWER: With 5,500 starting watts and 4,500 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 XP5500E is EPA and CARB approved for use in all 50 states.
9
DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue and Black
DuroMax DuroMax XP12000EH Dual Fuel Electric Start Portable Generator, Blue and Black
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7.1 Good
Product Highlights
  • POWERFUL DUROMAX ENGINE: The XP12000EH is Powered by a DuroMax 18HP, 457cc OHV Engine.
  • DUAL FUEL TECHNOLOGY: The ability to run on Propane or Gasoline allows the Freedom and Flexibility of Fuel Choice.
  • 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.
10
DuroStar DS4000S, 3300 Running Watts/4000 Starting Watts, Gas Powered Portable Generator
DuroStar DuroStar DS4000S, 3300 Running Watts/4000 Starting Watts, Gas Powered Portable Generator
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7 Good
Product Highlights
  • POWERFUL DUROSTAR ENGINE: The DS4000s is Powered by a DuroStar 7.0 Hp, air cooled OHV engine w/low oil shutoff.
  • PLENTY OF POWER: With 4,000 starting watts and 3,300 running watts, this unit is a workhorse that provides plenty of power to handle multiple jobs from powering high voltage appliances to heavy duty power tools.
  • 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.
  • POWERING EVERYONE ANYWHERE: The DS4000s is EPA and CARB approved for use in all 50 states.
  • FUEL TANK CAPACITY (GASOLINE): 3.96 GALLONS

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