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Natural Gas Home Generators

10 Best Natural Gas Home Generators 2025 in the United States

#1

Winner

10.0 score

Generac Guardian 14kW 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

10%OFF

Generac Guardian 14kW 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

10.0 score

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The Generac 7225 14kW Air Cooled Guardian Series Home Standby Generator is a solid choice for those looking for reliable, whole-house power backup. With its 14,000 watt power output and Generac's True Power Technology, this generator ensures clean, stable power with less than 5% total harmonic distortion, which is ideal for safely running sensitive electronics. The 200-amp automatic transfer switch provides comprehensive protection by seamlessly switching power during outages, and the inclusion of Wi-Fi connectivity allows for remote monitoring and maintenance alerts, adding an extra layer of convenience and peace of mind. This feature is particularly useful for those who travel frequently or own multiple properties.

Rating
10.0
Chosen by1,140
Power Output (Wattage)
Noise Level
Automatic Transfer Switch (ATS)

Most important from
426 reviews

Power Output (Wattage)
The generator is too loud to have a conversation next to it while running, but it powers up heavy loads like 5-ton AC units effortlessly.
Noise Level
The generator is too loud to have a conversation next to it while running, but it powers up heavy loads like 5-ton AC units effortlessly.
Automatic Transfer Switch (ATS)
The generator kicked off and ran just fine during unexpected power outages, automatically turning off once power was restored.
#2
9.4 score

Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane

Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch - Automatic Whole House Backup Power for Storms, Emergencies, and Outages, WiFi Enabled, Runs on Natural Gas or Liquid Propane

Generac

9.4 score

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The Generac 7172 10kW Air Cooled Guardian Series Home Standby Generator is a robust option for those seeking reliable home power backup. With a strong power output of 10,000 watts, it is capable of handling essential household needs during outages. One of its standout features is the 100-amp automatic transfer switch, which ensures seamless switching and comprehensive protection for up to 16 circuits.

Rating
9.4
Power Output (Wattage)
Noise Level

Most important from
426 reviews

Power Output (Wattage)
The generator performed flawlessly during multiple power outages, providing reliable electricity to the entire house.
Noise Level
The generator is quite loud when running, making it difficult to converse nearby, but it powers significant loads like 5-ton AC units effortlessly.
#3
8.2 score

DuroMax XP16000iHT 16,000-Watt Tri Fuel Portable Digital Inverter Generator - Gas, Propane & Natural Gas, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

9%OFF

DuroMax XP16000iHT 16,000-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

8.2 score

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The DuroMax XP16000iHT is a powerful tri-fuel generator designed to provide reliable whole-home backup power with a maximum starting wattage of 16,000 and running wattage of 13,000. Its ability to run on gasoline, propane, or natural gas offers great flexibility, making it a solid choice if you want to keep your generator running during fuel shortages or preference changes. The 10.5-gallon tank and fuel efficiency enable up to 18 hours of runtime, which is convenient for extended outages. It includes dual 50-amp outlets for easy connection to a transfer switch, allowing seamless backup integration with your home’s electrical system.

Rating
8.2
Power Output (Wattage)
Fuel Consumption
Run Time

Most important from
352 reviews

Power Output (Wattage)
This generator delivers solid, dependable power capable of running critical home loads smoothly, even during extended outages.
Fuel Consumption
The tri-fuel capability provides great flexibility, allowing uninterrupted operation during fuel shortages or preference changes.
Run Time
The large fuel tank supports long runtimes, often exceeding manufacturer estimates when running below 50% load.
Noise Level
Its inverter technology ensures quiet operation and stable voltage, safe for sensitive electronics and noticeably quieter than non-inverter generators of similar size.
Automatic Transfer Switch (ATS)
Using a breaker interlock kit enables flexible, safe home integration by allowing selective circuit control during power outages.
Size and Portability
The generator's weight and size require careful handling and a dedicated installation spot, which may pose challenges during delivery and setup.
Maintenance Requirements
Maintenance access is thoughtfully designed, with clearly marked oil fill doors and filters, simplifying routine upkeep.

Top 10 Best Natural Gas Home Generators 2025 in the United States

#1

Winner

10.0  score
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Generac

Generac Guardian 14kW 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): 14000
Automatic Transfer Switch (ATS): 200-amp
Size and Portability: 48"L x 25"W x 29"H
Maintenance Requirements: Wi-Fi for remote monitoring

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10% OFF

Chosen by 1140 this week

#2
9.4  score
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Generac

Generac Guardian 10kW Home Standby Generator with 100 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): 10000 watts
Automatic Transfer Switch (ATS): 100-amp
Size and Portability: 48 x 25 x 29 inches
Maintenance Requirements: reduced maintenance

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#3
8.2  score
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DuroMax

DuroMax XP16000iHT 16,000-Watt Tri Fuel Portable Digital Inverter Generator - Gas, Propane & Natural Gas, Remote Electric Start, Whole Home Power Backup, Transfer Switch Ready, RV & Emergency Ready

Power Output (Wattage): Starting 16000W, Running 13000W
Run Time: 18 hours
Automatic Transfer Switch (ATS): Transfer switch ready, not included
Size and Portability: 505 lbs, 38.3"L x 30.8"W x 34.4"H
Maintenance Requirements: Regular upkeep for 4-stroke engine

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9% OFF
#4
8.2  score
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Westinghouse

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

Power Output (Wattage): 13500 Peak, 8500 Running Watts gas
Run Time: 19 hours
Automatic Transfer Switch (ATS): Transfer switch-ready outlet, ATS excluded
Size and Portability: 230 lbs, 29.5 inches wide
Maintenance Requirements: Auto low oil shutdown, CO sensor

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#5
7.9  score
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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

Power Output (Wattage): 9000W gas, 8100W propane
Run Time: 17 hours
Automatic Transfer Switch (ATS): transfer switch ready outlet
Size and Portability: 30.2x25.2x26.57 inches, 187 lbs
Maintenance Requirements: tools, oil included; regular servicing

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17% OFF
#6
7.9  score
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Westinghouse

Westinghouse 11000 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

Power Output (Wattage): 9000 running, 11000 peak watts
Run Time: up to 19 hours
Noise Level: around 76 dBa
Automatic Transfer Switch (ATS): 50A outlet for transfer switch
Size and Portability: 191 pounds, flat-free tires
Maintenance Requirements: auto low oil shutdown, CO sensor

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#7
7.3  score
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Westinghouse

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 gas
Run Time: about 13 hours quarter load gas
Automatic Transfer Switch (ATS): ready for automatic transfer switch
Size and Portability: 38x35x40.4 inches, 557 lbs, wheels
Maintenance Requirements: auto low-oil shutdown, digital display

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#8
7.3  score
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DuroMax

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
Automatic Transfer Switch (ATS): compatible outlet
Size and Portability: 30"L x 30"W x 26"H, 240 lbs
Maintenance Requirements: straightforward with provided tools

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48% OFF
#9
7.3  score
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Westinghouse

Westinghouse 28000 Peak Watt Home Backup Portable Generator, Remote Electric Start with Auto Choke, Transfer Switch Ready 30A & 50A Outlets, Gas Powered, CO Sensor,Blue

Power Output (Wattage): 28000 peak, 20000 running watts
Run Time: 11 hours
Automatic Transfer Switch (ATS): Yes
Size and Portability: 39.5"L x 27.3"W x 40.2"H, 599 lbs
Maintenance Requirements: Digital readout: run hours, volts, frequency

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#10
7.0  score
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Westinghouse

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 watts
Run Time: 19 hours
Automatic Transfer Switch (ATS): ready for ATS
Size and Portability: 230 lbs, 27.2x26.1x26.5 inches
Maintenance Requirements: regular oil and fuel checks

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Buying Guide for the Best Natural Gas Home Generators

Choosing the right natural gas home generator involves understanding your power needs and the features that will best serve your household. Natural gas generators are a reliable source of backup power during outages, and selecting the right one ensures that your home remains functional and safe. Here are the key specifications to consider when making your decision.
Power Output (Wattage)Power output, measured in watts, indicates how much electricity the generator can produce. This is crucial because it determines how many and what type of appliances you can run simultaneously. Generators typically range from 5,000 to 20,000 watts. For small homes or essential circuits, a lower wattage may suffice. Larger homes or those with high power demands will need higher wattage. Assess your household's power needs by listing essential appliances and their wattage requirements to guide your choice.
Fuel ConsumptionFuel consumption refers to how much natural gas the generator uses over a specific period, usually measured in cubic feet per hour (cfh). This is important for understanding the operational cost and ensuring you have a sufficient gas supply. Generators with lower fuel consumption are more efficient and cost-effective over time. Consider your natural gas supply and how long you need the generator to run when evaluating this spec.
Run TimeRun time indicates how long the generator can operate continuously on a full fuel supply. This is important for planning during extended power outages. Generators with longer run times are beneficial for areas prone to frequent or prolonged outages. Choose a generator with a run time that matches your typical outage duration and your comfort level for refueling or maintenance.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the generator will be during operation. This is important for maintaining a comfortable living environment and adhering to local noise regulations. Generators typically range from 50 to 70 dB. If you live in a densely populated area or value peace and quiet, opt for a generator with a lower noise level. Consider where the generator will be placed and how noise might affect you and your neighbors.
Automatic Transfer Switch (ATS)An Automatic Transfer Switch (ATS) allows the generator to automatically switch on during a power outage and off when power is restored. This is important for convenience and ensuring continuous power without manual intervention. If you prefer a hands-off approach and want to ensure critical appliances are always powered, choose a generator with an ATS. Evaluate your comfort with manual operation versus the convenience of automatic switching.
Size and PortabilitySize and portability refer to the physical dimensions and ease of moving the generator. This is important for installation space and potential relocation needs. Larger generators typically offer more power but require more space and may be stationary. Smaller, portable generators are easier to move but may offer less power. Consider where you will place the generator and if you need to move it frequently when making your choice.
Maintenance RequirementsMaintenance requirements include the frequency and type of upkeep needed to keep the generator running smoothly. This is important for ensuring long-term reliability and performance. Some generators require regular oil changes, filter replacements, and inspections. Choose a generator with maintenance requirements that match your ability to perform or arrange for these tasks. Consider your willingness and ability to maintain the generator when evaluating this spec.

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