Best Natural Gas Backup Generator – Top Picks & Guide

Imagine a sudden storm hits, and the power goes out. Your lights flicker and die, leaving you in the dark. For many families, this blackout means spoiled food, no way to heat their homes, and a general feeling of helplessness. But what if there was a way to keep your lights on, your fridge running, and your family comfortable, no matter what the weather throws at you?

Choosing a natural gas backup generator might seem complicated. There are so many different sizes and features to consider! You might wonder which one is best for your home, how much it will cost, and if it’s really worth the investment. It’s easy to feel overwhelmed by all the technical details and options available on the market.

This post is here to help. We’ll break down everything you need to know about natural gas backup generators in a way that’s easy to understand. By the end, you’ll feel confident in choosing the perfect generator to keep your home powered and your family safe during any outage. Let’s dive in and explore how a natural gas generator can bring peace of mind to your home.

Top Natural Gas Backup Generator Recommendations

No. 1
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start,...
  • 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)
  • Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve; Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
  • Engineered with low THD, so it's safe for sensitive electronics. Power phones, computers, TVs and more. Stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
No. 2
Generac Guardian 10kW Home Standby Generator with 100 Amp Transfer Switch - Automatic Whole House...
  • Remote Monitoring Anywhere: With Generac 7172 10kW Mobile Link Wi-Fi connectivity, effortlessly track generator performance from anywhere. Stay updated on status and maintenance alerts, ensuring peace of mind even when you’re away
  • Whole House Protection: Keep your home powered during outages with Generac’s 100 Amp 16-circuit transfer switch, designed for seamless integration with whole house generators. Its durable aluminum enclosure ensures reliable outdoor use and coverage
  • Long-Term Assurance: Backed by a 5-Year Limited Warranty, this automatic transfer switch delivers lasting performance and peace of mind, ensuring your investment in a Generac transfer switch will serve you well for years
  • High-Quality 10kW Power: True Power Technology delivers clean, stable 10,000 watts with under 5% harmonic distortion. Generac’s low-maintenance engines run quieter and use less fuel for efficient, reliable home power
No. 3
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start,...
  • 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
  • Powered by a Heavy Duty 457cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter
  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, and Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
No. 4
Westinghouse Outdoor Power Equipment 14500 Peak Watt Dual Fuel Home Backup Portable Generator,...
  • 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)
  • Runs for up to 19 hours on a 9.5 gal. fuel tank with built-in fuel gauge; up to 7 hours on a 20 lb. propane tank
  • Powered by a heavy duty 550cc 4-Stroke OHV Westinghouse Engine constructed with a durable cast iron sleeve
No. 5
Westinghouse 28000 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start,...
  • 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
  • PLUG IN, POWER UP: Two 120/240V 14-50R 50A outlets, two 120/240V L14-30R 30A outlets, all transfer switch and interlock kit ready; one 120V L5-30R 30A outlet, four GFCI 120V 5–20R 20A standard duplex outlets; all have rubber covers; includes oil, funnel, and setup guide to get you going right away
  • LOW THD—SAFE FOR SENSITIVE ELECTRONICS: Engineered so you can power phones, computers, TVs and more to stay connected with people, news and entertainment during power outages, or on jobsites and campsites. Durable copper windings help your generator produce cleaner power, run cooler and last longer
No. 6
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO...
  • With 13,000 watts of power, the XP13000HXT 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
  • Run your generator on gasoline, propane, or natural gas. With Tri Fuel, we offer the ultimate freedom and flexibility of fuel choice
  • Powerful 500cc OHV Engine: At the heart of this generator resides a robust DuroMax engine designed to provide you with the most power.
  • The XP13000HXT comes with a push button start, a front facing interface that allows you to change your fuel type in seconds, and a wide variety of outlets including a transfer switch-ready 50 amp outlet
No. 7
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start,...
  • 13500 Peak Watts, 10500 Running Watts (Gasoline); 12500 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
  • Features Two GFCI 120V 5–20R 20A Standard Household Receptacle, One Transfer Switch Ready 120V L14-30R 30A, and One RV Ready 120/240V 14–50R 50A; All Outlets Have Rubber Covers for Added Safety
  • Powered by a Heavy Duty 500cc Westinghouse 4-Stroke OHV Engine Featuring a Long-Lasting Cast Iron Sleeve with Automatic Low Oil and Carbon Monoxide (CO) Shutdown, and Digital Hour Meter
  • Plug-and-Play: Comes with a Remote Start Key Fob, 12V Battery Charger, Oil, and Oil Funnel, a Tool Kit, and a User’s Manual to Get You Started Right Out of the Box (Minimal Assembly Required)
No. 8
Generac Guardian 22kW Home Standby Generator with 200 Amp Transfer Switch - Automatic Whole House...
  • Remote Monitoring Anywhere: With Generac 7043 22kW Mobile Link Wi-Fi connectivity, effortlessly track generator performance from anywhere. Stay updated on status and maintenance alerts, ensuring peace of mind even when you’re away
  • Whole House Protection: Enjoy comprehensive coverage with Generac's 200 Amp NEMA 3R smart switch, designed for outdoor use with an aluminum enclosure. This ensures that your home remains powered and protected during power outages
  • Long-Term Assurance: Backed by a 5-Year Limited Warranty, this automatic transfer switch delivers lasting performance and peace of mind, ensuring your investment in a Generac transfer switch will serve you well for years
  • High-Quality 22kW Power: True Power Technology delivers clean, stable 22,000 watts with under 5% harmonic distortion. Generac’s low-maintenance engines run quieter and use less fuel for efficient, reliable home power

Your Guide to Natural Gas Backup Generators

Having a reliable backup power source is super important. A natural gas backup generator can keep your lights on, your fridge running, and your devices charged when the power goes out. This guide will help you pick the best one for your home.

What to Look For: Key Features

When you’re shopping for a natural gas generator, think about these important features:

  • Power Output (Wattage): This tells you how much electricity the generator can provide. You need to figure out how much power your home needs. List all the appliances and devices you want to run during an outage. Add up their wattage. Get a generator with a bit more power than you need, just in case.
  • Automatic Transfer Switch (ATS): This is a smart device. It senses when the power goes out. It automatically switches your home from the grid power to the generator power. This is a big convenience. It means you don’t have to do anything yourself.
  • Fuel Type: This guide is about natural gas generators. Natural gas is convenient because it connects directly to your home’s gas line. You never run out of fuel.
  • Noise Level: Generators can be loud. Look for models with lower decibel (dB) ratings. Some generators are designed to be quieter than others.
  • Starting Mechanism: Most natural gas generators have electric start. This is easy to use. You just push a button.
  • Durability and Weather Resistance: Generators sit outside. They need to withstand rain, snow, and sun. Look for sturdy casings and good weatherproofing.

Important Materials

The materials used in a generator affect its strength and how long it lasts.

  • Engine Block: A strong engine block is key. It keeps the engine running smoothly. Cast iron is a common and durable material for engine blocks.
  • Alternator: This part makes the electricity. Copper windings are good. They conduct electricity well and last a long time.
  • Frame and Housing: A strong steel frame protects the generator. Powder-coated steel resists rust. The housing should also be tough to protect from the elements.

What Makes a Generator Great (or Not So Great)

Several things can make a generator perform better or worse.

  • Brand Reputation: Well-known brands often make better generators. They have a history of quality. They also usually offer good warranties and customer support.
  • Engine Quality: A high-quality engine is the heart of the generator. Engines from reputable manufacturers are built to last. They run more reliably.
  • Maintenance Requirements: Some generators need more upkeep than others. Look for generators that are easy to maintain. Simple maintenance helps them run well for years.
  • Warranty: A good warranty is a sign of a manufacturer’s confidence. It protects you if something goes wrong.
  • Installation: Proper installation is crucial. A professional installer ensures your generator runs safely and efficiently. Poor installation can reduce its quality and lifespan.

User Experience and Use Cases

People use natural gas generators for many reasons.

  • Homeowners: They keep essential appliances running during power outages. This includes refrigerators, lights, heating and cooling systems, and medical equipment.
  • Peace of Mind: Knowing you have backup power brings a lot of comfort. You won’t be left in the dark.
  • Convenience: Automatic models are very easy to use. They start up on their own.
  • Remote Locations: For homes far from the power grid, a generator is often a necessity.

Frequently Asked Questions (FAQs)

Q: What is the main benefit of a natural gas generator?

A: The main benefit is that it connects to your home’s natural gas line. This means you never have to worry about running out of fuel.

Q: How do I know what wattage generator I need?

A: You need to add up the wattage of all the appliances and devices you want to power. Then, choose a generator with a bit more power than that total.

Q: Is an automatic transfer switch (ATS) really necessary?

A: An ATS is not strictly necessary, but it is highly recommended. It makes the generator super convenient by switching power automatically.

Q: How loud are natural gas generators?

A: Noise levels vary. Look for generators with lower decibel (dB) ratings if you want a quieter option.

Q: Can I install a natural gas generator myself?

A: It’s best to have a professional install your generator. They ensure it’s connected safely and correctly.

Q: How often do natural gas generators need maintenance?

A: Maintenance needs depend on the model. Check the owner’s manual. Regular checks and oil changes are usually required.

Q: What happens if my natural gas line is not connected to my house?

A: If you don’t have a natural gas line, a natural gas generator won’t work for you. You might need to consider a propane or diesel generator instead.

Q: Are natural gas generators eco-friendly?

A: Natural gas burns cleaner than some other fossil fuels. This can make it a more environmentally friendly option.

Q: How long do natural gas generators typically last?

A: With proper maintenance, a good quality natural gas generator can last for many years, often 10-20 years or more.

Q: What is the warranty usually like for these generators?

A: Warranties vary by brand and model. Many offer warranties ranging from 2 to 5 years for parts and labor.