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10 Best Natural Gas Generators 2025 in the United States
#1
Winner
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
The Generac 12,500 Peak Watt Tri-Fuel Portable Generator is a solid choice for those needing reliable backup power or a versatile jobsite generator. It delivers a strong 9,500 running watts and 12,500 peak watts, which can easily handle most home essentials or power tools. A key advantage is its tri-fuel capability, allowing you to switch between gasoline, propane, or natural gas, providing flexibility depending on fuel availability. This feature also helps avoid unexpected shutdowns. Its 7.5-gallon gasoline tank offers a decent runtime of about 10.5 hours at half load, which is quite good for extended power needs. The electric start makes it convenient to use, especially during emergencies when you want to avoid manual effort.
Rating
10.0
Chosen by1,361
Start Type
Maintenance Requirements
Most important from
220 reviews
#2
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)
The WEN 14,500-Watt Tri-Fuel Generator (TF1450) offers a versatile power source, capable of running on gasoline, propane, and natural gas. This flexibility is a significant strength, making it suitable for various emergency and backup scenarios. Its power output varies depending on the fuel used, with a maximum of 14,500 starting watts on gasoline, 12,500 on propane, and 10,500 on natural gas, ensuring robust performance across all options.
Rating
10.0
Power Output (Wattage)
Noise Level
Most important from
1945 reviews
#3
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 (TF1450X)
The WEN 14,500-Watt Tri-Fuel Generator is a versatile option for those needing reliable backup power, especially in emergencies. It stands out by allowing you to switch easily between gasoline, propane, and natural gas, making it flexible if fuel availability varies. Its high power output (up to 14,500 surge watts on gasoline) suits powering multiple household appliances or tools. The electric start makes getting it running quick and hassle-free, which is a bonus over manual pull-start models.
Rating
9.7
Power Output (Wattage)
Fuel Consumption
Run Time
Most important from
1945 reviews
Top 10 Best Natural Gas Generators 2025 in the United States
#1
Winner
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 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
Power Output (Wattage): 9500 running, 12500 peak watts
Run Time: about 10.5 hours at half load
Start Type: Electric Start
Portability: 227 lbs, heavy wheels, steel frame
Maintenance Requirements: regular oil/filter changes, low oil shutdown
Chosen by 1361 this week
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)
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)
Power Output (Wattage): 14500
Run Time: 12 hours
Start Type: Electric start
Portability: Wheel kit
Maintenance Requirements: Regular checks, fuel management
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 (TF1450X)
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 (TF1450X)
Power Output (Wattage): 14500 watts
Run Time: 12 hours at half load
Start Type: Electric start
Portability: Wheel kit, 252 lbs
Maintenance Requirements: Regular oil changes, checks
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
Power Output (Wattage): 13000 watts
Run Time: 8 hours
Noise Level: 74 dB
Start Type: Push-button, remote start
Portability: 240 pounds, wheel kit
Maintenance Requirements: Regular checks
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Power Output (Wattage): 28000W peak, 16000W running
Run Time: up to 13 hours at 25% load
Start Type: remote electric start
Portability: 557 lbs, large wheels, foldable
Maintenance Requirements: auto idle control, regular upkeep
Related Products
Up to 55% off
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Power Output (Wattage): 22000 Watts
Start Type: Electric Start
Portability: Stationary
Maintenance Requirements: Less frequent
Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Power Output (Wattage): 26000 watts
Run Time: 12 minutes
Start Type: Electronic ignition
Portability: Not portable
Maintenance Requirements: Lower upkeep needs
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
DuroMax XP13000HX 13,000-Watt Dual Fuel Portable Generator - Gas & Propane, Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready
Power Output (Wattage): 13000 watts
Start Type: electric start
Portability: 245 pounds, wheels, handle
Maintenance Requirements: tools and instructions included
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane
Power Output (Wattage): 24000 watts
Start Type: Electronic
Portability: Less portable
Maintenance Requirements: Alerts via Mobile Link app
#10
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 Tri Fuel Generator,10500-Watt 458cc Tri Fuel Gasoline Propane Natural Gas Portable 50A Generator with Remote Start,Ideal for Home backup power.
Power Output (Wattage): 10500 starting, 8500 running
Run Time: 14 hours
Start Type: Remote, Electric
Portability: 298 pounds
Maintenance Requirements: Forced lubrication, Low oil shutdown
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Buying Guide for the Best Natural Gas Generators
Choosing the right natural gas generator involves understanding your power needs and the specific features that will best meet those needs. Natural gas generators are a reliable source of backup power for homes and businesses, providing electricity during outages or in remote locations. To make an informed decision, you need to consider several key specifications that will determine the generator's performance, efficiency, and suitability for your particular situation.Power Output (Wattage)Power output, measured in watts (W), indicates the amount of electricity the generator can produce. This is crucial because it determines whether the generator can handle the electrical load of your appliances and devices. Generators come in various power output ranges: small generators (up to 3,000 watts) are suitable for basic needs like lights and small appliances; medium generators (3,000 to 7,000 watts) can power multiple appliances and some larger devices; large generators (7,000 watts and above) can handle whole-house power needs or heavy-duty equipment. To choose the right one, list the essential devices you need to power and their wattage requirements, then select a generator that can comfortably handle that total load.
Fuel ConsumptionFuel consumption refers to how much natural gas the generator uses to produce electricity, typically measured in cubic feet per hour (cfh) or cubic meters per hour (m³/h). This is important because it affects the operating cost and efficiency of the generator. Lower fuel consumption means more efficient operation and lower running costs. To navigate this, compare the fuel consumption rates of different models under similar load conditions. Choose a generator that offers a good balance between power output and fuel efficiency, especially if you plan to use it frequently or for extended periods.
Run TimeRun time indicates how long the generator can operate on a full tank of fuel before needing a refill. This is crucial for planning how long you can rely on the generator during an outage. Run times can vary widely: some generators offer a few hours of operation, while others can run for 24 hours or more. To pick the right one, consider how long you typically need backup power. If you experience frequent or prolonged outages, a generator with a longer run time will be more convenient and reduce the need for frequent refueling.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the generator will be during operation. This is important for comfort and compliance with local noise regulations. Generators can be quite noisy, with levels ranging from around 50 dB (similar to a quiet conversation) to over 100 dB (equivalent to a chainsaw). To navigate this, consider where you will place the generator and how close it will be to living or working areas. If noise is a concern, look for models specifically designed to operate quietly or consider installing soundproofing measures.
Start TypeStart type refers to how the generator is started, which can be manual (pull-start), electric (push-button), or automatic (starts automatically during a power outage). This is important for ease of use and convenience. Manual start generators are typically less expensive but require physical effort to start. Electric start generators are more convenient, especially for those who may have difficulty with pull-start mechanisms. Automatic start generators offer the highest level of convenience, as they can detect power outages and start without any user intervention. Choose the start type based on your preference for convenience and ease of use.
PortabilityPortability refers to how easy it is to move the generator. This is important if you need to transport the generator to different locations or store it when not in use. Portable generators typically have wheels and handles for easier movement, while stationary generators are designed to be installed in a fixed location. To pick the right one, consider how you plan to use the generator. If you need a generator for multiple locations or occasional use, a portable model will be more practical. For permanent backup power solutions, a stationary generator may be more suitable.
Maintenance RequirementsMaintenance requirements refer to the regular upkeep needed to keep the generator running smoothly. This includes tasks like oil changes, filter replacements, and general inspections. Maintenance is important for ensuring the longevity and reliability of the generator. Some models are designed to be low-maintenance, with features like automatic oil changes or self-diagnostics. To navigate this, consider how much time and effort you are willing to invest in maintenance. If you prefer minimal upkeep, look for models with low-maintenance features or consider a service plan.