Top 30 Natural Gas Generators on Amazon (Verified You can Buy)
Top 1
Best for 7500 Watt
Best for 9500 Watt
Best for 10000 Watt
Best for 12000 Watt
Best for 15000 Watt
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse
WGen9500TFc
27.2 x 26.3 x 26.5 inches
215.0 pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
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 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
Top 2
Best Generators
Best for WEN
Best for 8000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Gasoline
WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start, Wheel Kit, and CO Watchdog (TF-1450X), Black & Red
WEN
TF-1450X
28.8 x 28.3 x 25.8 inches
Ratings for WEN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
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
Top 3
Best Generators
Best for Generac
Best for 5000 Watt
Best for 6000 Watt
Best for 6500 Watt
Best for 7000 Watt
Best for 7500 Watt
Best for 8000 Watt
Best for 8500 Watt
Best for 9500 Watt
Best for 10000 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Diesel
Generac 12,500 Starting Watt Tri-Fuel Portable Generator, Electric Start, Gas Propane Natural Gas, COsense Carbon Monoxide Detection, 9.5 Hour Runtime, Home Backup Emergency, 49-State Compliant
Generac
G0080631
27.5 x 27.1 x 27.6 inches
219.0 Pounds
Ratings for Generac (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
VERSATILE TRI-FUEL FLEXIBILITY - Run on gasoline, liquid propane, or natural gas with simple fuel selector dial, delivering 9500 running watts and 12500 starting watts, providing maximum power and fuel flexibility for any emergency or application
EFFORTLESS ELECTRIC START SYSTEM - Push-button electric start with included rechargeable battery eliminates manual pull-cord cranking, delivering instant reliable power activation and hassle-free operation during stressful emergency situations and cold weather conditions
Top 4
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Diesel
Best for Diesel for Home
Westinghouse 18000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered, CO Sensor
Westinghouse
WGen14500TFc
30.3 x 34.9 x 34.3 inches
348.3 pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
HUGE PORTABLE POWER: The WGen14500TFc tri fuel generator with CO sensor is an ideal power source for jobsites and emergency backup of larger homes. Gas: 18,000 peak watts, 14,500 running watts; Propane: 16,000 peak watts, 13,000 running watts; Natural gas: 14,400 peak watts, 11,600 running watts
TRI FUEL WESTINGHOUSE WORKHORSE: Runs up to 16 hours at 25% load on a 10.5 gallon gas tank, powered by a heavy duty 713cc Westinghouse V-Twin OHV engine; Automatic low oil shutdown; Low idle mode; VFT data center shows voltage, frequency and lifetime hours for updates on output and maintenance
Top 5
Best for 12000 Watt
Best for 13000 Watt
Best for 15000 Watt
Best for Diesel for Home
Best for Hydrogen for Home
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
DuroMax
XP13000HXT
30.0 x 29.0 x 26.0 inches
240.0 Pounds
Ratings for DuroMax (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Shop Generator Factory Outlet | - | ❌ | ❌ | ❌ |
Features
Tri Fuel Technology: This generator runs on gasoline, propane, and natural gas, giving you the freedom and flexibility of fuel choice. Gasoline is a tried-and-true fuel option that’s readily available. Propane is a cleaner burning fuel that is cost effective, fuel efficient, and has a long shelf life. Natural gas has the benefit of providing you with unlimited fuel supply and hooks up directly to your home’s gas line, so you don’t have to worry about storing tanks and spills..Engine Speed : 3600 RPM, Oil Cooling Type : Splash.
Home Power Backup Ready: With 13,000 watts of POWER, the XP13000HXT will power your lights, appliances, AC system and other household essentials with ease during a storm or power outage. It comes equipped with a 50 amp plug that hooks up directly to your home via a transfer switch.
Top 6
Best for 10000 Watt
Best for 13000 Watt
Best for 15000 Watt
Best for Diesel
Best for Hydrogen for Home
DuroStar DS13000MXT 13,000-Watt 500cc Tri Fuel Portable Generator - Gas, Propane & Natural Gas, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroStar
DS13000MXT
30.5 x 27.3 x 26.0 inches
Ratings for DuroStar (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Shop Generator Factory Outlet | - | ❌ | ❌ | ❌ |
Features
Power Your Entire Home - With 13,000 watts of power, the DS13000MXT 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.
Tri Fuel Technology - DuroStar Tri Fuel Technology allows your generator to run on either gasoline, propane, or natural gas, offering the freedom and flexibility of fuel choice.
Westinghouse 8200 Peak Watt Tri-Fuel Portable Inverter Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, Natural Gas, Low THD, Safe for Electronics, Parallel Capable, CO Sensor
Westinghouse
iGen8200TFc
27.0 x 20.9 x 21.7 inches
134.5 Pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
INVERTER BENEFITS, HOME BACKUP POWER: The Westinghouse iGen8200TFc is a tri fuel generator with all the benefits of an inverter, but also with home backup power and a 50A outlet; Gasoline: 6600 running/8200 peak watts, Propane: 5940 running/7380 peak watts, Natural Gas: 5280 running/6560 peak watts
SAVE FUEL, SAVE MONEY, LESS NOISE: Inverter technology adjusts engine speed to meet power demand, significantly cutting fuel use compared to traditional generators. That's less refills and fuel runs–saving time, money, and hassle. It's also much quieter than open frames, around 60 dBA at 25% load
Top 8
Best Generators
Best for Generac
Best for 7500 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 15000 Watt
Best for Diesel
Generac 12,500 Starting Watt Tri-Fuel Portable Generator - Electric Start - Gas, Propane or Natural Gas - Home Backup, Jobsite, or RV - Quiet Operation - Long Runtime - 50-State Compliant
Generac
8061
27.2 x 26.94 x 27.0 inches
227.0 Pounds
Ratings for Generac (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
Durable Protection: The Generac GP9500 features covered outlets for added protection against harsh environments and rugged conditions, ensuring powerful performance for emergency backup and recreational use
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
Top 9
Best for 4000 Watt
Best for 8000 Watt
Best for Inverter
Best for Gasoline
Best for Dual Fuel Inverter
PowerSmart 4400W Dual Fuel Inverter Generator, Gas and Propane Portable Generator with 223cc Engine, 30A RV Ready, Auto Switch, EPA, CO Sensor, Parallel Ready, for Home Use, Camping Outdoor
PowerSmart
MB5040DC
16.9 x 16.5 x 19.3 inches
62.0 pounds
Ratings for PowerSmart (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
𝐃𝐮𝐚𝐥 𝐅𝐮𝐞𝐥 𝐏𝐨𝐰𝐞𝐫 — 𝐆𝐚𝐬𝐨𝐥𝐢𝐧𝐞 & 𝐏𝐫𝐨𝐩𝐚𝐧𝐞 (𝐋𝐏𝐆) Delivers 4400W surge / 3600W rated watts (Gas) and 4000W surge / 3300W rated watts (LPG). Use gasoline for maximum output, or propane for cleaner combustion and longer engine life. For best performance, keep continuous load below 2800W (80% of rated power) and always connect the highest-wattage appliances first. The built-in overload protection will safely shut down the generator if total load exceeds limits, protecting your devices.
𝐄𝐱𝐭𝐞𝐧𝐝𝐞𝐝 𝐑𝐮𝐧𝐭𝐢𝐦𝐞 𝐰𝐢𝐭𝐡 𝐑𝐞𝐚𝐥-𝐖𝐨𝐫𝐥𝐝 𝐔𝐬𝐚𝐠𝐞 Equipped with a 1.6-gallon fuel tank, this generator offers up to 11 hours of runtime at 25% load (lights, phone charging, small appliances) and 5.1 hours at 50% load (fridge, freezer, sump pump). Actual runtime varies based on load, fuel type, and altitude. For longer runtime, use economy mode and keep load below 1500W.
Top 10
Best Generators
Best for 7500 Watt
Best for 9500 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Diesel
Best for Diesel for Home
Best for Hydrogen for Home
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse
WGen11500TFc
27.2 x 26.1 x 26.5 inches
230.0 pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
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)
Top 11
Best for 6500 Watt
Best for 7000 Watt
Best for 7500 Watt
Best for 8500 Watt
Best for 9500 Watt
Best for 10000 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Diesel for Home
Westinghouse Outdoor Power Equipment 13000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered, CARB Compliant
Westinghouse
WGen10500TFc
27.2 x 26.1 x 26.5 inches
230.0 Pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
13000 Peak Watts, 10500 Running Watts (Gasoline); 12000 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.Grounding System : Bonded Neutral. Choke Type : Automatic.
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
Top 12
Westinghouse 12500 Peak Watt EFI Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered, CARB Compliant
Westinghouse
WGen9500TFc EFI
27.3 x 20.6 x 22.6 inches
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
FUEL FLEXIBILITY FOR HOME, RV & WORK: 12,500 peak watts, 9,500 running watts (gasoline); 11,200 peak watts, 8,500 running watts (propane); 9,500 Peak Watts, 7,500 Running Watts (Natural Gas); runs for up to 15 hours on a 6.6 gal. fuel tank with built-in gauge, starting: remote, electric and recoil
MULTIPLE OUTLETS: Features one 120/240V 14–50R 50A outlet for home or RV and one 120/240V L14-30R 30A twist lock. Both outlets are transfer switch ready for home backup. Includes two GFCI 120V 5–20R 20A duplex household outlets. All include rubber covers for added protection
Top 13
Best Generators
Best for Honda
Best for Pulsar
Best for 1000 Watt
Best for 5000 Watt
Best for 6000 Watt
Best for 6500 Watt
Best for 7000 Watt
Best for 7500 Watt
Best for 8000 Watt
Best for 8500 Watt
Best for 9500 Watt
Best for 10000 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Diesel
Best for Gasoline
Best for Diesel for Home
Best for Hydrogen for Home
Westinghouse Outdoor Power Equipment 12500 Peak Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered, CARB Compliant
Westinghouse
WGen9500DF
27.2 x 26.1 x 26.5 inches
209.9991 Pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
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
Westinghouse 12000 Peak Watt Tri-Fuel Portable Inverter Generator, Remote Start, Transfer Switch Ready, Gas/Propane/Natural Gas Powered, Low THD, Safe for Electronics, Parallel Capable, CO Sensor
Westinghouse
iGen12000TFc
30.2 x 25.2 x 26.6 Inches
191.0 pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
HOME BACKUP POWER, ≤3% THD: The Westinghouse iGen12000TFc tri fuel inverter generator provides whole home backup power that's safe for sensitive electronics; It also has a 50A outlet; Gasoline: 12,000W peak/9,000W running; Propane: 11,000W peak/8,100W running; Natural gas: 9,800W peak/7,200W running
POWERFUL ENGINE, VERY QUIET OPERATION: Eco Mode, insulation and mufflers keep this generator neighborhood friendly with as low as 64 dBA; A heavy duty 457cc Westinghouse 4-Stroke OHV engine runs up to 19 hours at 25% load on a 7.9 gallon fuel tank; Low oil shutdown and CO sensor included
Top 15
Best Generators
Best for WEN
Best for Generac
Best for 1000 Watt
Best for 1500 Watt
Best for 2000 Watt
Best for 2500 Watt
Best for 3000 Watt
Best for 3500 Watt
Best for 4000 Watt
Best for 4500 Watt
Best for 5000 Watt
Best for 6000 Watt
Best for 7500 Watt
Best for 8000 Watt
Best for 8500 Watt
Best for 10000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Inverter
Best for Diesel
Best for Gasoline
Best for Dual Fuel Inverter
Best for Diesel for Home
Best for Hydrogen for Home
Best for Camping
Oxseryn Power Equipment 4400 Watts Inverter Generator Gas Powered, Portable Open Frame Generator, Low Noise with ECO Mode, RV Ready, Emergency Home Backup
Oxseryn
EDOG10
19.0 x 15.6 x 19.1 inches
56.0 pounds
Ratings for Oxseryn (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Oxseryn Direct U.S. | - | ❌ | ❌ | ❌ |
| Oxseryn Gen | - | ❌ | ❌ | ❌ |
Features
𝗣𝗼𝘄𝗲𝗿𝗳𝘂𝗹 𝗢𝘂𝘁𝗽𝘂𝘁 - 4400 peak watts and 3400 running watts, perfect for RV camping and home backup
𝗠𝘂𝗹𝘁𝗶-𝗢𝘂𝘁𝗽𝘂𝘁 𝗢𝗽𝘁𝗶𝗼𝗻𝘀 - Includes 2*120V AC ports, 1*12V DC port, 1*RV port
Top 16
WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start and Wheel Kit (TF-1450)
WEN
TF-1450
28.8 x 28.3 x 25.8 inches
Ratings for WEN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
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
Top 17
Westinghouse 25-Foot Natural Gas Hose with Adapter, 3/4-Inch Diameter, For Westinghouse Tri Fuel Generators
Westinghouse
W34NGH25
19.1 x 16.3 x 5.1 inches
14.6 Pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
THE EASY FUEL OPTION: This 25' natural gas hose and quick connect adaptor lets your tri fuel Westinghouse generator run on safe, easy, endless natural gas—with a 3/4” diameter, it works with all Westinghouse tri fuel generators rated at 14,500 running watts or higher—perfect for home backup
UNLIMITED RUN TIME: When hooked up to your home’s gas supply line, your generator has an endless supply of fuel to run all day without hassle—no more checking tank levels, refueling, storing fuel, or running out to get more gas or propane in an emergency. Just do regular generator maintenance
Top 18
GENMAX Tri Fuel Generator,10500-Watt 458cc Tri Fuel Gasoline Propane Natural Gas Portable 50A Generator with Remote Start,Ideal for Home backup power.
GENMAX
GM10500iETC
30.9 x 22.6 x 29.3 inches
Ratings for GENMAX (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon Resale | - | ❌ | ❌ | ❌ |
| GENMAX Direct | - | ❌ | ❌ | ❌ |
Features
【Strong Load Capacity】GM10500iETC has the maximum power among single cylinder silent inverter generator, the whole machine can work stably at 8500w running watts and 10500w starting watts on gasoline, 8000w running watts and 9500w starting watts on LPG, 6800w running watts and 8400w starting watts on Natural Gas, so large load starting current equipment, air compressor/blower/air conditioner can carry at one time.THD less than 3% perfect for sensitive equipments such as computer and cell phone.
【Diversified functional control Panel】 Easy operation panel with remote start one-button start/electric start /ATS automatic control, etc., diversified configuration: equipped with 1X 120/240V AC 30A L14-30R Outlet,DC Cigarette Lighter Outlet: 12V DC 8.3A, 1X 120/240V AC 50A 14-50R Outlet,4X120V AC 20A 5-20R Outlet ,CO Alarm, Parallel Connectors,Battery Charging Port, overload reset switch and LED Light,Voltage transfer Switch can meet 120V/240V simultaneous use
Top 19
Best for Champion Power Equipment
Best for 8500 Watt
Best for 10000 Watt
Best for 13000 Watt
Best for 15000 Watt
Champion Power Equipment 12,500-Watt Electric Start Tri Fuel Home Backup Portable Generator with Free 3-Year Warranty
Champion Power Equipment
201438
29.0 x 28.5 x 25.8 inches
231.0 pounds
Ratings for Champion Power Equipment (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
Tri-Fuel: 12,500/10,000-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
Electric Start: Power up the 500cc Champion engine with the handy rocker switch, battery included
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse
WGen20000TFc
38.0 x 35.0 x 40.4 inches
557.0 pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
HUGE PORTABLE POWER: Gasoline: 28,000 peak watts and 20,000 running watts; Propane: 25,200 peak watts and 18,000 running watts; Natural gas: 22,400 peak watts and 16,000 running watts; up to 15 hrs. of run time at 25% load on a 17.2-gal. tank with gauge; perfect backup power source for larger homes
TRI FUEL WESTINGHOUSE WORKHORSE: Powered by a heavy-duty 999 cc Westinghouse V-Twin OHV engine featuring a cast-iron sleeve; reinforced steel handles with quick-release pins; automatic low-oil shutdown; low idle mode; digital readout displaying lifetime run hours, volts, and frequency
Westinghouse 4650 Peak Watt Dual Fuel Portable Generator, RV Ready 30A Outlet, Gas & Propane Powered, CO Sensor
Westinghouse
WGen3600DFcv
23.3 x 18.5 x 18.9 inches
108.0 pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
4650 Peak Watts & 3600 Rated Watts (Gasoline); 4650 Peak Watts & 3240 Rated Watts (Propane); 4 Gallon Fuel Tank (with Fuel Gauge); Up To 14 Hours of Run Time Per Tank
Features One 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
Champion Power Equipment 201169 8125/6500-Watt Tri-Fuel Portable Generator with CO Shield and Electric Start
Champion Power Equipment
201169
28.7 x 27.5 x 197.0 Inches
197.0 pounds
Ratings for Champion Power Equipment (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Acme Tools | 2,711 | ✅ | ✅ | ✅ |
Features
Your 6500-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 389cc Champion engine with the handy rocker switch, battery included
Top 23
Best Generators
Best for Jackery
Best for Honda
Best for BLUETTI
Best for WEN
Best for Pulsar
Best for Generac
Best for 5000 Watt
Best for 6000 Watt
Best for 6500 Watt
Best for 7000 Watt
Best for 7500 Watt
Best for 8000 Watt
Best for 8500 Watt
Best for 10000 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Inverter
Best for Diesel
Best for Gasoline
Best for Dual Fuel Inverter
Best for Diesel for Home
WEN 6800-Watt Dual Fuel RV-Ready Electric Start Portable Inverter Generator with Fuel Shut Off and CO Watchdog for Electric Vehicle Backup (DF680iX)
WEN
DF680iX
22.8 x 16.6 x 19.7 inches
99.2 Pounds
Ratings for WEN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
224cc dual-fuel engine runs on both gasoline (6800 surge watts, 5100 rated watts) and propane (6000 surge watts, 4500 rated watts)
Bonded-neutral 240V configuration provides low-power Level 2 charging for battery and hybrid electric vehicles
Top 24
Best Generators
Best for WEN
Best for Generac
Best for 4500 Watt
Best for 5000 Watt
Best for 6000 Watt
Best for 6500 Watt
Best for 7000 Watt
Best for 7500 Watt
Best for 8000 Watt
Best for 8500 Watt
Best for 10000 Watt
Best for 12000 Watt
Best for 13000 Watt
Best for 14000 Watt
Best for 15000 Watt
Best for Diesel
Best for Gasoline
Best for Dual Fuel Inverter
Best for Diesel for Home
Best for Hydrogen for Home
Wesinghouse 6600 Watt Dual Fuel Home Backup Portable Generator, Transfer Switch Ready 30A Outlet, RV Ready 30A Outlet, CO Sensor, CARB Compliant
Westinghouse
WGen5300DFcv
21.0 x 18.0 x 19.09 inches
135.6 Pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
| Customer's trust | - | ✅ | ✅ | ✅ |
Features
Gasoline: 5300 Running Watts & 6500 Peak Watts; Propane: 4800 Running Watts & 5800 Peak Watts; 4.7 Gallon Fuel Tank With Fuel Gauge; Up to 14.5 Hours of Run Time with 120/240V Volt Selector Switch
Features One 5–20R 120V Household Duplex Receptacle, One RV-Ready TT-30R 30 Amp Receptacle, and One Transfer Switch Ready L14-30R 30 Amp Receptacle; All Outlets Have Rubber Covers for Added Safety
Top 25
Propane Natural Gas Conversion Fits Fits Briggs XR Storm Responder 6250 420cc Generator
Generic
Ratings for Generic (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Nash Fuel | - | ❌ | ❌ | ❌ |
Features
Low pressure conversion kit
Run on low pressure natural gas, low pressure propane or gasoline
ERAYAK 4500W Dual-Fuel Portable Inverter Generator for Home Use, Camping Outdoor, 30A RV Ready, Auto Switch, Gas and Propane Powered, EPA, CO Sensor, Parallel Ready, Campact Design
ERAYAK
4500PDM Dual Fuel
20.0 x 11.7 x 19.3 inches
54.0 pounds
Ratings for ERAYAK (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| ERAYAK | - | ❌ | ❌ | ❌ |
Features
Dual Fuel for Maximum Flexibility - This versatile generator supports gasoline (4500W peak, 3500W rated) and propane(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 dual-fuel capability, enjoy extended runtime for reliable, long-lasting energy.
DuroMax XP11000iHT 11,000-Watt Tri Fuel Portable Digital Inverter Generator - Gas, Propane & Natural Gas, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax
XP11000iHT
26.2 x 25.0 x 29.6 inches
216.0 Pounds
Ratings for DuroMax (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Shop Generator Factory Outlet | - | ❌ | ❌ | ❌ |
| Amazon.com | - | ❌ | ❌ | ❌ |
Features
11,000 Peak Watts / 9,000 Running Watts – Power your entire home, RV, or jobsite with clean, reliable energy. Delivers high output while running quietly and efficiently.
Tri-Fuel Technology – Gas, Propane, or Natural Gas – Choose your fuel source based on availability or preference. Get ultimate flexibility during emergencies or extended outages.
Top 28
Westinghouse 15-Foot Natural Gas Hose with Adapter, 3/4-Inch Diameter, For Westinghouse Tri Fuel Generators
Westinghouse
W34NGH15
15.9 x 15.6 x 4.3 inches
9.9 Pounds
Ratings for Westinghouse (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ❌ | ❌ | ❌ |
| Amazon Resale | - | ❌ | ❌ | ❌ |
Features
THE EASY FUEL OPTION: This 15' natural gas hose and quick connect adaptor lets your tri fuel Westinghouse generator run on safe, easy, endless natural gas—with a 3/4” diameter, it works with all Westinghouse tri fuel generators rated at 14,500 running watts or higher—perfect for home backup
UNLIMITED RUN TIME: When hooked up to your home’s gas supply line, your generator has an endless supply of fuel to run all day without hassle—no more checking tank levels, refueling, storing fuel, or running out to get more gas or propane in an emergency. Just do regular generator maintenance
Top 29
Best for 1000 Watt
Best for 2000 Watt
Best for 8500 Watt
Best for 14000 Watt
Best for Diesel
Best for Gasoline
Best for Diesel for Home
Best for Hydrogen for Home
Best for Camping
Aceup Energy 1,200W Gas Powered Generator, Small Portable Generator for Home Use Ultralight, EPA & CARB Compliant
Aceup Energy
AG1200
15.6693 x 14.4882 x 14.0945 inches
35.5 Pounds
Ratings for Aceup Energy (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Aceup Energy | - | ❌ | ❌ | ❌ |
Features
1200 peak watts and 900 running watts
Frequency 60Hz , 120V household outlet, equipped with one American-style duplex socket, one AC overload protection, one 12V DC power supply, one DC overload protection and one indicator light
Top 30
Best for WEN
Best for Pulsar
Best for 500 Watt
Best for 2000 Watt
Best for 3000 Watt
Best for 3500 Watt
Best for 4000 Watt
Best for 4500 Watt
Best for 5000 Watt
Best for 6000 Watt
Best for 6500 Watt
Best for 7000 Watt
Best for 7500 Watt
Best for 8000 Watt
Best for 8500 Watt
Best for 12000 Watt
Best for Diesel
Best for Gasoline
Best for Dual Fuel Inverter
WEN DF475T Dual Fuel 120V/240V Portable Generator with Electric Start Transfer Switch Ready, 4750-Watt, CARB Compliant
WEN
DF475T
23.2 x 17.5 x 18.5 inches
105.8 pounds
Ratings for WEN (CPR Score)
| Seller | CPR Rank | Amazon Fulfilled | Prime | Free Shipping |
|---|---|---|---|---|
| Amazon.com | - | ✅ | ✅ | ✅ |
Features
Switch between gasoline (4750 surge watts, 3800 running watt) and propane (4350 surge, 3500 running) with the simple turn of the selection dial
Voltage easily goes from 120V to 240V, perfect for transfer switches and emergency backup
Top 10 Natural Gas Generators - Verified to Buy (September 2026)
- 1. Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote...
- 2. WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural...
- 3. Generac 12,500 Starting Watt Tri-Fuel Portable Generator, Electric Start, Gas...
- 4. Westinghouse 18000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote...
- 5. DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas...
- 6. DuroStar DS13000MXT 13,000-Watt 500cc Tri Fuel Portable Generator - Gas,...
- 7. Westinghouse 8200 Peak Watt Tri-Fuel Portable Inverter Generator, Remote Electric...
- 8. Generac 12,500 Starting Watt Tri-Fuel Portable Generator - Electric Start...
- 9. PowerSmart 4400W Dual Fuel Inverter Generator, Gas and Propane Portable...
- 10. Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote...
Top 10 Natural Gas Generators Brands on Amazon
Here is the list of top-rated brands that were evaluated by CherryPicks.
- Westinghouse
- WEN
- Generac
- DuroMax
- DuroStar
- PowerSmart
- Oxseryn
- GENMAX
- Champion Power Equipment
- Generic
Related Natural Gas Generators Guides
For more personalized Natural Gas Generators guides, Check those pages,
Top 4 Natural Gas Generators Sellers: CPR Seller Rank List
CPR sellers rank is based on CherryPicks-AI bestselling ranking system that helps us analyze each seller's sales trends. The List of top seller ranks is our in-house data, essential for our product ranking to help you make the right shopping choice.
- 1. Acme Tools : 22,332 Yearly Feedback , Avg. Ratings 4.7
- 2. Nash Fuel : 1,258 Yearly Feedback , Avg. Ratings 4.6
- 3. Amazon.com : 386 Yearly Feedback , Avg. Ratings 4.7
- 4. GENMAX Direct : 383 Yearly Feedback , Avg. Ratings 4.8
| Rank | Name | Yearly Feedbacks | Avg. Ratings |
|---|---|---|---|
| 🥇 | Acme Tools | 22,332 | 4.7 |
| 🥈 | Nash Fuel | 1,258 | 4.6 |
| 🥉 | Amazon.com | 386 | 4.7 |
| 4 | GENMAX Direct | 383 | 4.8 |
[Get] Natural Gas Generators Deals (✅Exclusively for Prime)
What does "Amazon Fulfilled" Mean?
Amazon Fulfilled refers to products handled by Amazon's logistics, which indicates that the product is stored, packed, and shipped by Amazon from one of its fulfillment centers.
When you order a product that is "Amazon Fulfilled," Amazon takes care of the storage, packing, shipping, and customer service for that product. This often ensures quicker delivery and better customer service compared to products that are not fulfilled by Amazon. It also means that the product is eligible for Amazon's return policy.
What does "Prime" Mean?
"Prime" refers to Amazon Prime Member (Join Amazon Prime Now), which indicates eligibility for Prime benefits. When you see "Prime" next to a product on Amazon, This generally means that if you are an Amazon Prime member, you can get free two-day shipping on that product, and sometimes even same-day or one-day shipping depending on your location.
Prime members also have access to other benefits, including 2-Day Shipping, Exclusive Member Deals, Prime Video, Buy With Prime, Amazon Music, Prime Gaming, and more.
Shop Prime Natural Gas Generators Deals
What does "Free Shipping" Mean?
"Free Shipping" means that you will not be charged additional fees for the shipping of that product. However, unlike "Prime," which usually guarantees fast two-day shipping, "Free Shipping" doesn't necessarily mean fast shipping.
Sometimes there might be a minimum purchase requirement to qualify for free shipping if you are not a Prime member. For Prime members, the "Free Shipping" usually refers to the free two-day shipping that is one of the benefits of the Prime membership.
Why Should You Trust Us?
Now hundreds and thousands of Generators & Portable Power supplies are available on Amazon, Picking the right one is not easy, and that may take a lot of your time, Right? and What is the best Natural Gas Generators to buy for new September 2026?
CherryPicks’s Methodology for Evaluating Natural Gas Generators
We developed the CherryRatings-AI system to identify and score reviews and the CherryPicks-AI ranking system that uses TensorFlow framework to generate the best list, It will help us evaluate Generators & Portable Power items that sell on Amazon. The score of items is based on over ten parameters such as analyzing customer review content, product reviewing rating statistics, brand reputation evaluation, comparing product price with features, etc, You can visit How We Rank to learn more in detail.
We collected and analyzed 257 of Natural Gas Generators reviews based on our selection criteria. It helped us shortlist the top qualified and rated Natural Gas Generators for Generators & Portable Power, We found that most customers choose Natural Gas Generators with an average price of $1,124.25, and the top brands are Generic, Westinghouse, WEN, Champion Power Equipment, PowerSmart, Generac, DuroMax, DuroStar And GENMAX.
Then our expert-level editors reviewed all those quality items and selected the top 30 Natural Gas Generators for you, We have researched hundreds of sellers and picked the top sellers for Generators & Portable Power, including Amazon Resale, Acme Tools, Nash Fuel, Amazon.com And GENMAX Direct. The Westinghouse 12500 Peak Watt Tri-Fuel Home Back... are available for purchase right now, and The seller of #1 rank product has received honest feedback from 2,421 consumers with an average rating of 4.8.
We've helped a lot of satisfied users get the right Patio, Lawn & Garden product based on their needs, and save lots of time for them to pick Natural Gas Generators to buy.
Jody is a freelance writer, a martial artist, and a video game player. He has a passion for greens and keeping the lawn neatly kept. He joined the team of our writers to provide a guide on how to keep the lawn, patio, and garden presentable.