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Best Natural Gas Backup Generators

From leading brands and best sellers available on the web.
#1

Winner

Generac Guardian 10kW Home Standby

Generac

10%OFF

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

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#2
DuroMax XP13000HXT 13,000-Watt 500c

DuroMax

40%OFF

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

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#3
20kW Standby Generator with 200amp

Kohler

20kW Standby Generator with 200amp TS

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#4
Champion Power Equipment 201222 22

Champion Power Equipment

Champion Power Equipment 201222 22 kW aXis Home Standby Generator with 200A Whole House Switch

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#5
Westinghouse 12500 Peak Watt Tri-Fu

Westinghouse

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

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#6
Generac Guardian 14kW Home Standby

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

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#7
10kW Standby Generator with 12 circ

Kohler

10kW Standby Generator with 12 circuit TS

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#8
Champion Power Equipment 9000-Watt

Champion Power Equipment

Champion Power Equipment 9000-Watt Electric Start Tri Fuel Home Backup Portable Open Frame Inverter Generator with Quiet Technology and CO Shield

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#9
Champion Power Equipment 10,000-Wat

Champion Power Equipment

Champion Power Equipment 10,000-Watt Electric Start Tri-Fuel Home Backup Portable Generator with CO Shield

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Buying Guide for the Best Natural Gas Backup Generators

Choosing the right natural gas backup generator is crucial to ensure you have a reliable power source during outages. The right generator will depend on your specific needs, including the size of your home, the essential appliances you need to power, and how long you expect to be without electricity. Here are some key specifications to consider when selecting a natural gas backup generator, along with explanations to help you make an informed decision.
Power Output (Wattage)Power output, measured in watts (W), indicates how much electricity the generator can produce. This is important because it determines how many and what types of appliances you can run simultaneously. Generators typically range from 5,000 to 20,000 watts. For small homes or essential appliances, a generator with 5,000 to 7,500 watts may suffice. For larger homes or to power more appliances, consider a generator with 10,000 to 20,000 watts. Assess your power needs by listing the wattage of essential appliances and adding them up to find the right generator size for you.
Fuel ConsumptionFuel consumption refers to how much natural gas the generator uses per hour of operation. This is important for understanding the operational cost and ensuring you have a sufficient gas supply. Fuel consumption is usually measured in cubic feet per hour (cfh). Lower consumption rates are more efficient and cost-effective. To choose the right one, consider how long you expect to run the generator during an outage and ensure your natural gas supply can meet this demand.
Run TimeRun time indicates how long the generator can operate continuously before needing maintenance or refueling. This is crucial for planning during extended power outages. Generators with longer run times are more convenient and require less frequent attention. Run times can vary from a few hours to several days. Choose a generator with a run time that matches the typical duration of power outages in your area and your ability to perform maintenance.
Noise LevelNoise level, measured in decibels (dB), indicates how loud the generator is during operation. This is important for comfort and compliance with local noise regulations. Generators can range from 50 dB (quiet) to over 80 dB (loud). If you live in a densely populated area or have close neighbors, a quieter generator (50-60 dB) is preferable. For more isolated locations, noise may be less of a concern, allowing for a louder generator if it meets other needs.
Automatic Transfer Switch (ATS)An Automatic Transfer Switch (ATS) automatically switches the power supply from the grid to the generator during an outage. This is important for convenience and ensuring a seamless transition without manual intervention. Some generators come with an ATS, while others require a separate purchase. If you want hassle-free operation and immediate power restoration, choose a generator with an ATS or ensure compatibility with one.
Size and PortabilitySize and portability refer to the physical dimensions and ease of moving the generator. This is important for installation and storage. Larger generators typically offer more power but require more space and may be harder to move. Smaller, portable generators are easier to store and transport but may offer less power. Consider the available space for installation and whether you need to move the generator frequently when choosing the right size.
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 you can manage, or consider a model with lower maintenance needs if you prefer less frequent upkeep.