10 Best Natural Gas Generators (June 2026) Tested & Reviewed

When the power goes out during a winter storm or summer heatwave, sitting in the dark waiting for the utility company is not a plan. I have spent the last three years researching and testing backup power solutions, and natural gas generators consistently come out on top for homeowners who want reliable, hands-off emergency power. Unlike portable gasoline generators that require you to store fuel and manually start them, a natural gas generator connects directly to your home gas line and can kick on automatically within seconds of an outage.

The best natural gas generators in 2026 range from affordable portable tri-fuel models that run on gasoline, propane, or natural gas to permanently installed whole-house standby units that can power everything from your HVAC system to your medical equipment. I reviewed 10 of the top-rated models available right now, comparing real customer feedback, power output, fuel efficiency, noise levels, and overall value. Whether you need full home backup or a portable solution for occasional outages, this guide breaks down exactly which generator fits your situation.

One important distinction before we get started: this roundup includes both standby generators (permanently installed outside your home, connected to your gas line, with automatic transfer switches) and portable tri-fuel generators (mobile units you can hook up to a natural gas connection but move around as needed). Both types run on natural gas, but they serve very different needs and budgets. Standby units typically run between $3,000 and $7,000 plus installation, while portable tri-fuel models range from $800 to $2,000.

Top 3 Picks for Best Natural Gas Generators

Best Natural Gas Generators in 2026

1. Generac Guardian 26kW – Best Whole-House Standby Generator

The Generac Guardian 26kW is the most powerful standby generator in this lineup, and it is the one I would recommend to anyone with a larger home who wants genuine whole-house protection. Rated at 26,000 watts with Generac’s purpose-built G-Force 1000 Series engine, this unit handles central air conditioning, electric water heaters, well pumps, and everything else running simultaneously without breaking a sweat. The aluminum enclosure resists corrosion, and the fully enclosed design keeps noise levels surprisingly manageable for a unit this large.

What sets this model apart from competitors is the included 200-amp automatic transfer switch. That is the component that detects a power outage and switches your home to generator power within seconds, automatically. Many competitors sell this separately, but Generac bundles it here, which saves you significant money on installation costs. The True Power Technology delivers clean electricity with under 5% total harmonic distortion, meaning it is safe for sensitive electronics like computers and smart home systems.

I have read through dozens of long-term owner reviews, and the consensus is clear: this unit performs reliably during extended outages. One homeowner in Texas reported running their 4,000-square-foot home for five straight days after a hurricane without a single hiccup. The Mobile Link WiFi app lets you monitor the generator status from anywhere, though several users mentioned the app can be buggy and the WiFi connection drops occasionally. That is frustrating but does not affect the generator’s core operation.

Installation Requirements to Know About

Plan on hiring a certified electrician and a licensed plumber for installation. The unit weighs 518 pounds, so it needs a proper concrete pad. You will also need your natural gas line sized correctly to supply the fuel volume this generator demands at full load. Installation costs typically add another $2,000 to $5,000 on top of the generator price, so budget accordingly. The 5-year limited warranty provides solid long-term coverage for the investment.

Who Should Consider This Generator

This 26kW Generac is the right choice for homeowners with larger homes (3,000+ square feet), those running multiple HVAC systems or well pumps, or anyone who wants zero compromise on whole-house power during outages. If you live in an area with frequent storms or unreliable grid power and can afford the installation investment, this is the standby generator that gives you true peace of mind. For smaller homes or tighter budgets, the 22kW or 10kW Generac Guardian models below may be a better fit.

2. Generac Guardian 22kW – Best Value Standby Generator

The Generac Guardian 22kW hits the sweet spot between power output and cost for most homeowners. At 22,000 watts, it comfortably handles a typical 2,000 to 3,000-square-foot home with central air, refrigerator, lighting, and major appliances all running at once. Like the 26kW model, it comes with a 200-amp NEMA 3R smart transfer switch in an aluminum outdoor enclosure, which is a significant value add considering transfer switches alone can cost $500 to $1,000.

With 247 customer reviews and a 4.4-star rating, this is one of the most field-tested standby generators on the market. The G-Force 1000 Series engine is purpose-built for generator duty, meaning it is designed to handle extended run times and demanding loads without the wear issues that adapted engines face. True Power Technology keeps harmonic distortion under 5%, which protects your electronics and appliances from power surges. Eighty percent of reviewers gave it 5 stars, which tells you a lot about real-world satisfaction.

One thing to be aware of: the Mobile Link WiFi monitoring that Generac advertises heavily does require a subscription after the first year, which runs about $70 annually. Some users also noted that the generator’s startup sequence depends on the WiFi-connected computer module, which feels like unnecessary complexity for a backup power device. If your WiFi goes down during an outage (which happens), you may need to manually restart the monitoring system. The generator itself will still work fine, but the remote monitoring feature becomes limited.

What You Need to Budget Beyond the Unit

Beyond the generator price, factor in a battery (around $100), a cold weather kit if you live in a freezing climate (about $160), and professional installation ($2,000 to $4,000 depending on your area). These costs are standard for any standby generator, not unique to this model. The 5-year warranty is competitive, and Generac has a large nationwide service network if you ever need warranty repairs.

Best Home Size for This Generator

The 22kW output is ideal for homes between 2,000 and 3,000 square feet with standard electrical service. If you have a large workshop, multiple AC units, or an electric vehicle charger, consider stepping up to the 26kW model. For most suburban homes, 22kW provides plenty of headroom and is the best value in the Generac Guardian lineup. Our team considers this the smartest choice for homeowners who want whole-house standby without overspending.

3. Westinghouse 13500W Tri-Fuel – Best Portable Natural Gas Generator

The Westinghouse 13500W Tri-Fuel is the highest-rated portable generator in this entire roundup, and it is not even close. With a remarkable 4.8-star average from over 2,100 reviews, this unit has earned its reputation through consistent real-world performance. It runs on gasoline (10,500 running watts), propane (9,500 running watts), or natural gas (8,500 running watts), giving you maximum flexibility for fuel sourcing during emergencies. The remote start key fob means you can fire it up from inside your house without trudging out to the garage in a storm.

On natural gas specifically, you get 8,500 running watts and 10,000 peak watts. That is enough to run your furnace blower, refrigerator, several lights, a TV, and a window AC unit simultaneously. The 500cc Westinghouse engine is built in-house, not a generic Chinese knockoff, and it shows in the reliability reviews. Customers consistently mention years of trouble-free operation. One user in Florida reported running this generator for 10 consecutive days after Hurricane Ian on natural gas without any issues.

The biggest drawback is the total harmonic distortion. This is a conventional generator, not an inverter, so the power output is not clean enough for sensitive electronics like laptops or gaming consoles without a surge protector. Users have measured the frequency output at around 63Hz rather than the standard 60Hz, which can cause issues with some motors and electronics. If clean power matters to you, consider the Westinghouse inverter models later in this list.

Connecting to Natural Gas

To run this generator on natural gas, you will need a natural gas hookup installed on the exterior of your home. Many users hire a plumber to install a quick-connect fitting near where they plan to position the generator. The generator does not include a natural gas hose, so factor that into your setup. A 15-foot natural gas hose with the proper fittings typically costs $50 to $100. Once connected, switching between fuel types is as simple as turning the fuel selector knob on the control panel.

Who Should Buy This Generator

This is the portable natural gas generator I recommend to most homeowners. It offers the best combination of power, reliability, fuel flexibility, and price in the portable category. If you want something you can also take camping or to a job site, this tri-fuel portable generator is far more versatile than a permanently installed standby unit. Just know its limitations with sensitive electronics and plan accordingly with surge protectors or a separate inverter for your computer equipment.

4. Westinghouse 12000W Tri-Fuel Inverter – Best for Sensitive Electronics

If the conventional Westinghouse 13500W above caught your eye but you need clean power for laptops, TVs, and smart home equipment, the Westinghouse 12000W Tri-Fuel Inverter is your answer. Inverter technology produces electricity with less than 3% total harmonic distortion, which is cleaner than what comes out of your wall outlets in some cases. That means you can safely plug in your computer, phone charger, and flat-screen TV without worrying about surges or damage.

On natural gas, expect around 7,000 to 7,500 running watts (Westinghouse rates this at 9,000 running watts on gasoline). The inverter design also means this generator runs significantly quieter than conventional models. Users report noise levels around 64 dBA at partial load, which is comparable to a normal conversation. The Eco Mode automatically adjusts engine speed based on the electrical load, cutting fuel consumption by up to 50% when you are not drawing full power. That is a big deal during extended outages.

With 144 reviews and a 4.5-star rating, the feedback is overwhelmingly positive. Multiple customers specifically mention powering their entire house during multi-day outages. One reviewer even charged their Tesla off this generator. The LED data center on the control panel shows real-time fuel level, power output, remaining run time, and voltage, which is incredibly helpful during an outage when you are managing your power budget.

Parallel Capability Explained

This generator is parallel capable, meaning you can connect two identical units together to double your power output. If you find that 9,000 watts on gasoline is not quite enough for your whole home, buying a second unit and linking them gives you 18,000 watts. That costs less than buying a single 20kW standby generator, and you get the flexibility of having two portable units you can use independently when needed.

Ideal Use Case

This inverter generator is the right pick for homeowners who work from home and need clean power for computers and networking equipment during outages. It is also ideal for RV owners who want a quiet, fuel-efficient generator that runs on natural gas at home but can switch to gasoline on the road. The combination of clean power, fuel efficiency, and quiet operation makes it one of the most well-rounded portable generators you can buy in 2026.

5. DuroMax XP13000HXT 13000W – Best Heavy-Duty Portable Option

The DuroMax XP13000HXT brings serious power in a portable package. With 13,000 starting watts on gasoline and approximately 10,000 to 11,000 watts on natural gas, this generator handles heavy electrical loads that would stall smaller units. The 500cc OHV engine with a cast iron sleeve is built for longevity, and DuroMax has earned a solid reputation for customer service when issues do arise. The CO Alert system automatically shuts the generator down if it detects dangerous carbon monoxide levels, which is a safety feature every generator should have.

DuroMax includes a 15-foot natural gas hose and propane regulator in the box, which is a nice touch that saves you $50 to $100 on accessories. The front-facing fuel selection knob lets you switch between gasoline, propane, and natural gas without reaching around the back of the unit. The transfer switch-ready 50-amp outlet means you can connect this directly to your home’s electrical panel through a manual transfer switch for whole-house backup.

Customer feedback is strong across the board. With 423 reviews and a 4.5-star rating, this generator has proven itself in real-world conditions. Homeowners report running furnaces, refrigerators, well pumps, and lighting simultaneously during extended outages. The main complaints center around delivery logistics and the fact that oil is not included in the package. Make sure you have 10W-30 oil on hand before your first startup.

How It Compares to Westinghouse

Compared to the Westinghouse 13500W above, the DuroMax offers similar power output at a competitive price. The DuroMax includes the natural gas hose (the Westinghouse does not), and the front-facing controls make fuel switching easier. However, the Westinghouse has a significantly larger pool of customer reviews (2,162 vs 423) and a slightly higher overall rating. Both are excellent choices, but the Westinghouse has more proven track record.

Best For

The DuroMax XP13000HXT is ideal for homeowners who want a heavy-duty portable generator that includes the natural gas hose and propane regulator right out of the box. If you plan to primarily run on natural gas and want a unit that is ready to connect without additional purchases, this is one of the most complete packages available. It is also a strong contender for construction sites and food trucks that need reliable high-wattage power.

6. Westinghouse 8200W Tri-Fuel Inverter – Best Quiet Portable Generator

The Westinghouse 8200W Tri-Fuel Inverter is the quietest portable natural gas generator in this roundup, and that matters more than you might think. At approximately 60 dBA during light loads, this generator is quiet enough that your neighbors will not complain during an extended outage. For comparison, most conventional portable generators run at 70 to 80 dBA, which is the difference between a conversation and a lawnmower.

The inverter technology produces clean electricity with less than 3% total harmonic distortion. That means your laptop, phone, tablet, flat-screen TV, and networking equipment are all safe to plug in directly. On natural gas, you can expect around 5,500 to 6,000 running watts, which is enough for a refrigerator, furnace blower, lights, and several smaller appliances. The Eco Mode adjusts engine speed based on load, extending fuel efficiency and reducing noise even further when you are not drawing maximum power.

With 173 reviews and an impressive 4.7-star rating, this generator has earned consistently high marks. Multiple reviewers call it the “Goldilocks size” because it is not too big and not too small. One user specifically mentioned using it during a 72-hour outage to power their refrigerator, furnace, internet modem, laptop, and LED lighting while barely noticing the noise level. The built-in battery maintainer keeps the starting battery charged during storage, which solves a common problem with portable generators.

Size and Portability

At 134.5 pounds, this is the lightest generator in the 6,000+ watt category we reviewed. It is still a two-person lift, but it is far more manageable than the 230-pound conventional models. The compact dimensions (27 inches long by 20.9 inches wide by 21.7 inches tall) mean it fits in a car trunk for transport or stores easily in a garage corner. For RV owners, this size is far more practical than larger portable units.

Perfect For

This is the right generator for homeowners who prioritize quiet operation and clean power for electronics. It is an excellent choice for suburban neighborhoods where noise complaints are a real concern during extended outages. RV owners, campers, and anyone who needs a portable power source that will not annoy the campsite will also appreciate the low noise levels. If you need more raw wattage, look at the 12000W Westinghouse inverter above.

7. Champion 12500W Tri-Fuel – Best for Easy Setup

The Champion 12500W Tri-Fuel stands out for being one of the most complete packages in this roundup. Unlike many competitors that make you buy oil, battery, and hoses separately, Champion includes the battery, engine oil, LPG and natural gas hoses, oil funnel, and wheel kit all in the box. That means you can unbox this generator, add the included oil, connect it to your natural gas line, and start it up without a trip to the hardware store.

At 12,500 starting watts and 10,000 running watts on gasoline (expect roughly 8,000 watts on natural gas), this generator provides plenty of power for most homes. The electric start with rocker switch is simple and reliable. The CO Shield system monitors carbon monoxide levels and automatically shuts down the generator if dangerous levels are detected, protecting your family. Champion’s Intelligauge displays voltage, frequency, and run time so you can monitor performance at a glance.

Champion backs this generator with a 3-year limited warranty and free lifetime technical support, which is a major advantage. If you ever have questions about maintenance, troubleshooting, or operation, you can call Champion’s support line and get help from a real person. That kind of long-term support is rare at this price point. The main downsides are a relatively small review pool (31 reviews) and some reports of oil leaking during shipping, so check for leaks when you unbox.

Champion Brand Reputation

Champion Power Equipment has been in the generator business for over two decades and has built a strong reputation for customer support and product reliability. They maintain a nationwide network of service centers, which matters if you ever need warranty repairs. In forum discussions on Reddit’s r/Generator community, Champion tri-fuel generators come up frequently as recommended options for homeowners who want reliability without paying Generac or Kohler prices.

Best Fit

The Champion 12500W Tri-Fuel is best for homeowners who want a straightforward, ready-to-run generator with everything included. If you are not mechanically inclined and want something you can set up and start using with minimal hassle, this is one of the most user-friendly options on the market. The included hoses and battery save you time and money that you would spend accessorizing other generators.

8. DuroStar DS13000MXT 13000W – Best Budget Tri-Fuel Generator

The DuroStar DS13000MXT delivers tri-fuel capability at a price point that undercuts most competitors by a significant margin. At under $1,000, this generator gives you 13,000 starting watts on gasoline and approximately 10,000 to 11,000 watts on natural gas. DuroStar is the budget brand from the same company that makes DuroMax, so you get similar build quality and features at a lower cost. The CO Alert safety system, remote electric start, and included 15-foot natural gas hose are features normally found on generators costing hundreds more.

Customer reviews paint a picture of a generator that punches well above its weight class. Users report successfully powering entire homes and even food trucks with this unit. One customer mentioned running their furnace, two refrigerators, a freezer, well pump, and household lighting during a 48-hour outage on natural gas. The remote start fob worked reliably from inside the house, and the generator handled the load without struggling. At 78% five-star reviews, most owners are clearly happy with their purchase.

The trade-offs are real, though. This generator is loud compared to inverter models, and several reviewers specifically mentioned the noise level as a drawback in residential settings. Oil is not included, so add that to your shopping list. The most pressing concern is availability: with only 12 units in stock at the time of writing, this model sells out quickly when storms approach. If you see it available, do not wait to make your decision.

DuroStar vs DuroMax

DuroStar is the value-oriented sister brand of DuroMax, offering similar features at a lower price. The main differences are cosmetic: DuroStar uses a red paint scheme instead of DuroMax’s blue, and some of the component quality is slightly lower. Both brands share the same parent company and customer service infrastructure. For budget-conscious buyers, DuroStar offers 90% of the DuroMax experience at 60% of the price.

Who Should Buy the DuroStar

This is the generator I recommend to homeowners who want tri-fuel natural gas capability on a strict budget. If you need a generator that can run your essential appliances during outages without spending over $1,000, the DuroStar DS13000MXT is hard to beat. Just be prepared for higher noise levels and stock up on oil before your first use. Grab it while you can, because supply is limited.

9. Generac Guardian 10kW – Best for Small to Medium Homes

The Generac Guardian 10kW is the entry point into Generac’s standby generator lineup, and it is purpose-built for smaller homes and essential circuits. At 10,000 watts, it will not run a large central air conditioning system alongside every appliance in your house, but it will keep your furnace, refrigerator, lighting, sump pump, and electronics running reliably during an outage. The included 100-amp 16-circuit transfer switch covers the most critical circuits in a typical home.

The super quiet operation is a genuine advantage. Generac designed this unit with sound-dampening features that make it noticeably quieter than the 22kW and 26kW models. If you live in a densely populated neighborhood or have your generator positioned near a bedroom window, the lower noise output makes a real difference in quality of life during extended outages. Like the larger Generac Guardians, this model uses True Power Technology for clean electricity and the G-Force 400 Series engine designed specifically for generator applications.

Customer feedback is generally positive but comes with some caveats. The 4.4-star rating from 37 reviews shows solid satisfaction among owners. Several reviewers noted that the 16-circuit transfer switch is sufficient for essential loads but does not cover every circuit in their panel, which is expected at this power level. Some warranty service complaints surfaced in reviews, so make sure you register your warranty promptly and keep documentation. Availability has been inconsistent, so check stock before committing.

Sizing: Is 10kW Enough for You?

A 10kW generator handles approximately 40 to 42 amps at 240 volts. That covers your furnace blower (typically 5 to 10 amps), refrigerator (3 to 6 amps), lighting circuits (10 to 15 amps), a sump pump (5 to 10 amps), and electronics. What it will not handle is a 3-ton or larger central air conditioning unit, which draws 15 to 25 amps on its own. If you need air conditioning during outages, consider the 22kW model instead.

Best Home Size Match

This 10kW Generac is the right standby generator for homes under 2,000 square feet, smaller condos and townhouses, or as an essential-circuits-only solution for larger homes where you accept that not every circuit will be powered during an outage. It is also the most affordable entry into the Generac standby ecosystem, with installation costs typically 20 to 30% lower than the 22kW model because the gas line requirements are less demanding.

10. FIRMAN T04073 5000W – Best Budget Pick for Small Homes

The FIRMAN T04073 is the most affordable tri-fuel generator in this roundup, and for many homeowners with modest power needs, it is all the generator they will ever need. At 5,000 starting watts and 4,000 running watts on gasoline (4,500 watts on propane, 4,000 on natural gas), this unit covers your essentials: refrigerator, a few lights, phone chargers, and a window AC unit or space heater. It will not power your entire house, but it will keep the critical things running during a short-term outage.

FIRMAN has been selling this model for years, and the 202 customer reviews with a 4.4-star rating reflect a long track record. Many owners have used this generator for multiple storm seasons without major issues. The electric start is convenient, and the recoil backup means you can still start it if the battery dies. The CO Alert system shuts the generator down if carbon monoxide reaches dangerous levels, which is essential for any generator used near a home.

At just 129 pounds, this is one of the lightest generators in our roundup. It is still a two-person lift, but it is far easier to maneuver than the 230+ pound heavy-duty models. The compact size makes it practical for RV use, camping trips, or storing in a small garage. Runtime reaches up to 14 hours at 25% load, which means on a full tank of gasoline you can get through the night without refueling.

What You Can and Cannot Power

With 4,000 running watts on natural gas, you can run a refrigerator (about 700 watts running), a furnace blower (about 800 watts), a dozen LED lights (about 120 watts), phone chargers, and a small window AC unit (about 1,000 watts). That leaves you with roughly 1,300 watts of headroom for other items. You cannot run a well pump, electric water heater, or central AC on this generator. It is strictly an essentials-only power source.

Who This Generator Fits Best

The FIRMAN T04073 is perfect for apartment dwellers, small home owners, RV enthusiasts, and budget-conscious buyers who want tri-fuel capability without a big investment. If your power outages are infrequent and short-lived, this generator provides reliable backup at the lowest possible price. For areas with frequent or extended outages, consider stepping up to one of the 8,000+ watt models for greater comfort and flexibility.

How to Choose the Right Natural Gas Generator

Buying a natural gas generator is a significant investment, and picking the wrong one means either overspending on capacity you do not need or being left in the dark because your generator could not handle the load. Here is what our team recommends considering before making your decision.

Standby vs Portable: Which Type Is Right for You

Standby generators like the Generac Guardian series are permanently installed outside your home and connected to your natural gas line. They include an automatic transfer switch that detects power outages and starts the generator within seconds, all without you lifting a finger. They run quietly, handle whole-house loads, and require professional installation costing $2,000 to $5,000 on top of the unit price. Standby generators are the right choice if you want seamless, automatic backup power and can afford the installation investment.

Portable tri-fuel generators like the Westinghouse and DuroMax models cost far less and require no professional installation. You wheel them outside during an outage, connect them to a natural gas hookup or run them on gasoline or propane, and manually start them. They require a manual transfer switch if you want to power your home circuits through your electrical panel. Portable generators are the right choice for budget-conscious buyers, renters, or anyone who wants the flexibility to use the generator at different locations.

Sizing Your Generator: How Many Watts Do You Need

Getting the right size generator is the single most important decision you will make. Too small, and you will be tripping breakers or unable to run essential appliances. Too large, and you are wasting money on capacity you never use. Here is a quick reference based on common home configurations:

Small homes and apartments (under 1,500 sq ft): A 5,000 to 8,000-watt generator covers essentials like your refrigerator, lights, furnace blower, and small appliances. The FIRMAN T04073 or Westinghouse 8200W Inverter are excellent choices here.

Medium homes (1,500 to 2,500 sq ft): You need 10,000 to 14,000 watts to cover essentials plus a window AC unit or partial central air. The Westinghouse 13500W Tri-Fuel or DuroMax XP13000HXT handle this range well.

Large homes (2,500 to 4,000+ sq ft): For true whole-house coverage including central AC, you need 18,000 to 26,000 watts. The Generac Guardian 22kW or 26kW standby models are purpose-built for this category.

Natural Gas vs Propane vs Tri-Fuel

Natural gas is the most convenient fuel source if you have a utility gas line at your home. It provides an unlimited fuel supply during outages (no tanks to refill), burns cleaner than gasoline, and requires no fuel storage. The downside is reduced power output compared to gasoline, typically 15 to 25% lower running watts on natural gas versus gasoline.

Propane burns even cleaner than natural gas and stores indefinitely in tanks, making it ideal for emergency preparedness. However, you are limited by tank size and propane availability during widespread outages when everyone is trying to fill tanks simultaneously.

Tri-fuel generators that run on all three fuel types offer maximum flexibility. During normal outages, you run on your natural gas line. During extended emergencies where gas service might be interrupted, you switch to propane tanks or gasoline. This versatility is why tri-fuel generators are so popular in the preparedness community.

Key Features to Look For

Electric or Remote Start: Pulling a recoil cord gets old fast, especially in cold weather. Look for generators with electric push-button start or, better yet, remote start with a key fob that lets you start the generator from inside your home.

CO Sensor: Carbon monoxide kills hundreds of people each year from generator misuse. A built-in CO sensor that automatically shuts down the generator when dangerous levels are detected is a must-have safety feature.

Low THD (Total Harmonic Distortion): If you plan to power computers, phones, or sensitive electronics, look for inverter generators with under 5% THD. Conventional generators produce dirty power that can damage electronics over time.

Automatic Transfer Switch: Standby generators include this, but for portable generators, you will need to purchase and install a manual transfer switch separately if you want to power your home circuits through your electrical panel rather than running extension cords.

Installation Costs and Considerations

For standby generators, installation is not optional and typically costs $2,000 to $5,000 depending on your area, the complexity of the electrical work, and whether your natural gas line needs to be upgraded. You will need both a licensed electrician and a plumber. Some areas require permits, which adds time and cost. Forum users on Reddit’s r/homeowners consistently report total installed costs of $8,000 to $14,000 for standby generators including the unit and installation.

For portable generators, your main installation cost is an exterior natural gas quick-connect fitting installed by a plumber, typically $200 to $500. If you want to connect the generator to your home panel, add another $300 to $800 for a manual transfer switch installed by an electrician. Total setup cost for a portable tri-fuel generator with natural gas connection typically runs $500 to $1,500 on top of the generator price.

FAQs

Final Thoughts on the Best Natural Gas Generators

Finding the best natural gas generators for your home comes down to matching the right type and size to your specific needs and budget. For whole-house standby power, the Generac Guardian 26kW is the most complete package with its included 200-amp transfer switch and WiFi monitoring. The Generac Guardian 22kW offers similar features at a lower price point for mid-size homes. For portable flexibility, the Westinghouse 13500W Tri-Fuel leads the pack with an exceptional 4.8-star rating from over 2,100 reviews and genuine tri-fuel versatility.

If clean power for electronics is your priority, the Westinghouse 12000W and 8200W inverter models deliver safe electricity with under 3% THD while running quietly. Budget-conscious buyers should look at the DuroStar DS13000MXT or FIRMAN T04073, both offering tri-fuel natural gas capability at the lowest prices in this roundup. Whatever you choose, make sure to factor in installation costs, have your natural gas line properly sized, and run your generator monthly to keep it ready for when the next outage hits.