10 Best Natural Gas Residential Generators of 2025

Tested and Reviewed: Top 10 Natural Gas Residential Generators deals with expert ratings from 8.1 to a perfect 10

July 2025 Edition

Editor's Choice

9.7

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

Free Shipping

Editor's bottom line:

“This natural gas residential generators is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

14500 Running Watts, 18000 Peak Watts (Gasoline); 13000 Running Watts, 16000 Peak Watts (Propane); 11600 Running Watts, 14400 Peak Watts (Natural Gas); Electric and Remote Start with Included Key Fob; Up to 12 Hours of Run Time on a 10.57 Gallon Fuel Tank with Fuel Gauge
Features Two GFCI 120V 520R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 1450R; All Outlets Have Rubber Covers for Added Safety
Powered by a Heavy Duty 713cc V-Twin 4-Stroke OVH Westinghouse 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

Show Price

Picked by 256 people today

9.5

Save 9%

Generac

Generac 7.5kW Powerpact Home Standby Generator with 50 Amp Transfer Switch, Reliable for Whole House Use, Natural or LP Gas Powered, Long-Life Operation, Digital Controller with LED Indicators, Bisque

9% OffFree Shipping

Main Highlights

Affordable Alternative: While maintaining many of the qualities and reliability of our best-selling Guardian Series, the Generac 69981 7.5kW Powerpact Home Backup Generator offers an affordable, automatic alternative to portable backup power
Power The Essentials: Powers 8 circuits of your home with the 50 Amp, NEMA 1 (indoor rated only) lightweight transfer switch. Protecting your homes essentials, like refrigerators and select appliances, without manually setting up during inclement weather
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 7.5kW Power: True Power Technology delivers clean, stable 7,500 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 Generac OHV engine is designed for reliability and long-life operation
Easy Installation: Generac recommends your new Home Standby Generator to be installed by a certified and licensed electrician

Show Price

9.5

Save 5%

Westinghouse

Westinghouse 11000 Peak Watt Dual Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, Low THD - Safe for Electronics, Parallel Capable, CO Sensor

5% OffFree Shipping

Main Highlights

9000 Running Watts and 11000 Peak Watts (Gasoline), 8100 Running Watts and 10000 Peak Watts (Propane) at Less Than 3% THD; Remote Electric Start With Included Key Fob, Push Button and Recoil Start; Up to 17 Hours of Run Time on a 9.8 Gallon Fuel Tank
Features Two GFCI 120V 520R Standard Household Outlets, One Transfer Switch Ready 120V L14-30R Outlet, and One Transfer Switch Ready 120/240V 1450R Outlet; All Outlets Have Rubber Covers for Added Safety
Led Data Center: Rotating Digital Display Shows Fuel Level, Power Output, Remaining Run Time, Voltage Output, and Lifetime Hours
Powered by a Heavy Duty 452cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve With Automatic Low Oil Shutdown and Carbon Monoxide (CO) Sensor
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

Show Price

Best Value

9.2

Save 32%

DuroMax

DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue

32% OffFree Shipping

Main Highlights

With 13,000 watts of power, the XP13000HXT Tri Fuel generator will keep your whole home running during a storm or power outage, while protecting your family from harmful fumes with CO Alert
Run your generator on gasoline, propane, or natural gas. With Tri Fuel, we offer the ultimate freedom and flexibility of fuel choice
Powerful 500cc OHV Engine: At the heart of this generator resides a robust DuroMax engine designed to provide you with the most power.
The XP13000HXT 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
Push Button Start and Remote Start: Turn on your generator with a simple push of a button, or use the remote to conveniently start your generator from a distance.

Show Price

9.0

Save 29%

Westinghouse

Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

29% OffFree Shipping

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)
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
Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve
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

Show Price

8.8

Save 14%

Westinghouse

Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

14% OffFree Shipping

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 Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 1450R; 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

Show Price

8.6

Save 15%

Westinghouse

Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered

15% OffFree Shipping

Main Highlights

12500 Peak Watts, 9500 Running Watts (Gasoline); 11200 Peak Watts, 8500 Running Watts (Propane); 9500 Peak Watts, 7500 Running Watts (Natural Gas); 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 Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 1450R; 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 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

Show Price

8.3

Westinghouse

Westinghouse 13500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered

Free Shipping

Main Highlights

13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 Peak Watts, 9500 Running Watts (Propane); 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 Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 1450R; 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

Show Price

8.1

WEN

WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start and Wheel Kit (TF1450)

Free Shipping

Main Highlights

Switch between gasoline (14500 surge watts, 11500 running watts), propane (12500 surge watts, 10300 running watts), and natural gas (10500 surge watts, 8750 running watts) with a simple turn of the selection dial
Operates at 120V and 240V, making it perfect for transfer switches and emergency backup
Electric start powers the 500c 4-stroke OHV engine with the turn of a key
8.2-gallon tank provides up to 12 hours of half-load runtime
Includes four 120V 5-20R outlet, a 120V/240V transfer-switch-ready NEMA L14-30R outlet, a 120V/240V transfer-switch-ready NEMA 14-50R outlet, a 12V DC automotive outlet, a bottle of oil, a 6-foot LPG connection hose, an NG quick-connect adapter, and a three-year limited warranty

Show Price

8.1

Save 30%

ERAYAK

ERAYAK 4500W Tri-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas, Propane, and Natural Gas Powered, EPA, CO Sensor, Parallel Ready, Campact Design

30% OffFree Shipping

Main Highlights

Tri fuel for Maximum Flexibility - This versatile generator supports gasoline (4500W peak, 3500W rated) and propane/bottled natural gas (4050W peak, 3150W rated), offering cost-effective power. Ideal for home backup, outdoor RV camping activities, construction sites, or emergencies, it delivers reliable performance for diverse needs. A flexible, efficient energy solution!
Seamless Fuel Switching Erayak's gas priority system auto-switches to gasoline when gas runs out, eliminating shutdowns for uninterrupted power. With tri-fuel capability, enjoy extended runtime for reliable, long-lasting energy.
Portable & Compact - Weighing only 54 pounds and featuring a sleek design measuring just 19.88 x 16.93 x 20.25 inches, this inverter generator is one of the most compact and portable models on the market. Its lightweight build and space-saving size make it incredibly easy to store and transport.
Clean & Reliable Power for Home & RV The Erayak 4500PD inverter generator delivers 4,500W peak and 3,500W running power with pure sine wave technology (THD 0.2%~1.2%), ensuring safe operation for sensitive electronics. Ideal for home backup, RVs, trucks, campers, and outdoor adventures, it features two 120V/20A outlets, a 30A (L5-30P) RV outlet, USB-A (5V 2.1A), and 18W USB-C to meet all your power needs.
Super Quiet Operation Running at just 58 dBA from 23 feet at quarter load, the Erayak 4500PD ensures peaceful camping, tailgating, and home backup without disturbing your surroundings. Enjoy reliable power without upsetting neighbors or disrupting quiet environments.
ESC - Fuel Saving The Electronic Speed Control (ESC) Mode optimizes engine performance for maximum runtime. A full 2.25-gallon gas tank lasts up to 16 hours at 25% load, while connecting to a propane or natural gas tank extends runtime beyond 20+ hours, ensuring overnight power without refueling. At full load, fuel consumption is 0.561 gallons (2.125L) per hour on gasoline.
CO Sensor - Built-in CO detection shuts down the generator when carbon monoxide levels are unsafe. Circuit breaker protection for all outlets ensures safe operation. A CO switch is configured to allow the user to manually turn off depending on the environment.
Natural Gas Advice - Due to the lightweight nature of the 4500PD model and its compact internal piping design, connecting household natural gas pipelines (usually 1/4 PSI) may not function properly. Please connect commercial 1/2 PSI pipeline natural gas or bottled natural gas, or choose other household models.
Erayak Support - Includes free parts (oil kettle, mainance tool kit,30A conversion plug TT-30R,propane connecting pipe).Includes 3-year limited warranty with FREE lifetime technical support from dedicated experts.

Show Price

Our Best Overall Choice

Best Choice

9.7

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

Free Shipping

Editor's bottom line:

“This is the best one we tested. In terms of quality, brand and price, we couldn't ask for more.”

Main Highlights

14500 Running Watts, 18000 Peak Watts (Gasoline); 13000 Running Watts, 16000 Peak Watts (Propane); 11600 Running Watts, 14400 Peak Watts (Natural Gas); Electric and Remote Start with Included Key Fob; Up to 12 Hours of Run Time on a 10.57 Gallon Fuel Tank with Fuel Gauge
Features Two GFCI 120V 520R Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R, and One RV Ready 120/240V 1450R; All Outlets Have Rubber Covers for Added Safety
Powered by a Heavy Duty 713cc V-Twin 4-Stroke OVH Westinghouse 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

Show Price

Related Deals You Might Like for Natural Gas Residential Generators

GENMAX Tri Fuel Generator,10500-Watt 458cc Tri Fuel Gasoline Propane Natural Gas Portable 50A Generator with Remote Start,Ideal for Home backup power.

Show PriceView

Pulsar 10,500 Watt Gasoline, Propane, and Natural Gas Tri-Fuel Portable Inverter Generator with Remote Start

Show PriceView

Pulsar PGD105TiSCO Tri Fuel Inverter Generator,10500-Watt Tri Fuel Gasoline Propane Natural Gas Portable 50A Generator with Remote Start, CARB Compliant

Show PriceView

Generac 7,500-Watt Dual-Fuel Compatible Portable Generator - Gas and Propane - COsense Technology with Electric Start - PowerRush Advanced Technology - Reliable Power Solution - Home Use, Orange/Black

Show PriceView

EF ECOFLOW Smart Generator 3000（Dual Fuel), LPG & Gas Powered, Smart Control, Portable Backup for Home Use, Emergency Power, Two AC Outputs, Compatible with DELTA 3 Plus & Other AC-Connected Devices

Show PriceView

Pulsar 9500W Dual Fuel Portable Inverter Generator for Residential and Camping Use GD950BN

17% Off

Show PriceView

AMERISUN Portable Inverter Generator 2500W Gas Powered, Long Runtime Gas Generator for Home Backup, Emergency, Camping, EPA Compliant 2025 Version

Show PriceView

Portable Inverter Generator 2500W Gas Powered, Long Runtime Gas Generators for Home Use, Camping, Super Quiet Emergency Home Backup, with CO Sensor, EPA Compliant

Show PriceView

Natural Gas Hose, Natural Gas Line, Flexible, CSST, 1/2 Inch, Quick Connect For Outdoor Grill, BBQ, Generator, Patio Heater, Appliance, Propane, Oven, CSA Certified, Male to 3/8 Female Adapter, 36 FT

8% Off

Show PriceView

Natural Gas Conversion Kit Compatible with Duromax XP12000EH Generator 12KW LP 18HP Dual Fuel LP

Show PriceView

Deals are Live

Special Amazon deal ends in: