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10 Best Natural Gas Generators 2025 in the United States
#1
Winner
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
The Westinghouse Outdoor Power Equipment 14500 Peak Watt Tri-Fuel Generator is a versatile and powerful choice for household backup or portable power needs. It offers impressive power output, with 14,500 peak watts and 11,500 running watts on gasoline, 13,500 peak watts and 10,500 running watts on propane, and 12,000 peak watts and 9,500 running watts on natural gas. This makes it suitable for larger homes requiring substantial power during outages. Its tri-fuel capability (gasoline, propane, and natural gas) adds flexibility in fuel options, which is a definite strength.
Rating
9.9
Chosen by1,457
Run Time
Start Type
Most important from
1613 reviews
#2
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
The Generac 7043 is a powerful standby generator designed for residential use, delivering a robust 22kW of clean, reliable power with minimal harmonic distortion. This makes it suitable for homeowners who want to ensure seamless electricity supply during outages, covering their entire house with the included 200-amp transfer switch. The generator's Wi-Fi connectivity allows for remote monitoring, letting users track performance and receive maintenance alerts straight from their smartphones—a fantastic feature for peace of mind when away from home.
Rating
9.8
Power Output (Wattage)
Noise Level
Most important from
425 reviews
#3
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
The DuroMax XP13000HXT is a powerful and versatile natural gas generator that stands out with its 13,000 watts of power, making it suitable for both residential and commercial use during power outages. One of its key strengths is the tri-fuel capability, allowing you to use gasoline, propane, or natural gas, providing flexibility and convenience depending on availability and cost of fuel. The powerful 500cc OHV engine supports this high wattage, ensuring reliable performance. It includes a CO Alert feature that adds a layer of safety by protecting against harmful fumes, which is crucial for indoor use or in enclosed spaces.
Rating
9.6
Noise Level
Start Type
Portability
Most important from
372 reviews
Top 10 Best Natural Gas Generators 2025 in the United States
#1
Winner
9.9 score
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
Power Output (Wattage): 14500 peak, 11500 running on gasoline
Run Time: 19 hours on gasoline
Start Type: Remote electric start
Portability: 230 pounds
Maintenance Requirements: Hour meter, automatic voltage regulation
Chosen by 1457 this week
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Power Output (Wattage): 22000 Watts
Start Type: Electric Start
Portability: Stationary
Maintenance Requirements: Less frequent
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 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Westinghouse 12500 Watt Dual Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas and Propane Powered
Power Output (Wattage): 12500 watts
Run Time: 12 hours
Start Type: Remote electric, electric, recoil start
Portability: 210 pounds, wheels included
Maintenance Requirements: Low oil shutdown, hour meter
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 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
Power Output (Wattage): 4500W (gasoline), 4050W (propane)
Run Time: 16 hours
Noise Level: 58 dBA
Start Type: manual pull-start
Portability: 54 pounds, compact
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Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Generac Guardian 26kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Power Output (Wattage): 26000 watts
Run Time: 12 minutes
Start Type: Electronic ignition
Portability: Not portable
Maintenance Requirements: Lower upkeep needs
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Generac Guardian 24kW Home Standby Generator with 200 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Power Output (Wattage): 24000 watts
Start Type: Electronic
Portability: Less portable
Maintenance Requirements: Alerts via Mobile Link app
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 18000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered, CO Sensor
Power Output (Wattage): 14500 running, 18000 peak
Run Time: 12 hours
Start Type: Remote electric start
Portability: 347 pounds
Maintenance Requirements: Digital hour meter, start-up kit
Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch, Durable All Aluminum, WiFi Enabled with G-Force Engine, Easy to Use, Whole House Power Backup, Smart Outage Solution - Bisque
Power Output (Wattage): 10000 watts
Start Type: Electronic
Portability: 338 pounds
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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.