When the power goes out, the last thing you want to worry about is which fuel you can actually find. That is exactly why we spent three months researching the best tri-fuel generators of 2026 — units that run on gasoline, propane, and natural gas so you are never stuck with a single option during an emergency.
A tri-fuel generator gives you real flexibility. If the gas stations in your area run dry before a hurricane, you can hook up a propane tank. If your home has a natural gas line, you can connect directly to it and run for days without refueling. That last point is the one Reddit users in r/Generator bring up constantly — natural gas access makes a tri-fuel generator genuinely worth it because the fuel supply keeps flowing even when the grid does not.
In this guide, our team compares 8 models from Westinghouse, DuroMax, WEN, and Champion. We looked at real owner reviews, spec sheets, and forum discussions to figure out which units actually deliver whole-home backup, which ones suit RV use, and which give you the most power for your money. We also break down the power loss you can expect on propane and natural gas, because almost no reviewer explains that clearly.
One thing to know upfront: expect roughly 85 to 95 percent of rated gasoline output on propane, and 80 to 90 percent on natural gas. So a generator rated at 11,500 running watts on gasoline might deliver closer to 9,500 watts on natural gas. We factored that into every recommendation below.
Table of Contents
Top 3 Picks for Best Tri-Fuel Generators (September 2026)
Westinghouse 14500 Peak Watt Tri-Fuel
- 14500W peak power
- Tri-fuel flexibility
- Remote electric start
DuroMax XP13000HXT Tri Fuel
- 13000W peak power
- Includes 15-ft natural gas hose
- CO Alert protection
Champion 8125-Watt Tri-Fuel
- 8125W peak power
- Natural gas ready out of box
- CO Shield auto shutoff
Our editor’s choice is the Westinghouse WGen11500TFc because it balances massive output, a 4.8-star rating across 2,800+ reviews, and true whole-home capability. The DuroMax XP13000HXT is the best value pick — it costs noticeably less while still running an entire house, and it ships with a 15-foot natural gas hose. For smaller homes or budget buyers, the Champion 8125-watt unit is the affordable entry point that still covers essential circuits.
Best Tri-Fuel Generators in 2026
| Product | Specifications | Action |
|---|---|---|
| Westinghouse 14500W Tri-Fuel WGen11500TFc |
|
Check Latest Price |
 Westinghouse 12500W Tri-Fuel WGen9500TFc |
|
Check Latest Price |
 Westinghouse 13500W Tri-Fuel WGen10500TFc |
|
Check Latest Price |
 Westinghouse iGen12000TFc Inverter |
|
Check Latest Price |
| DuroMax XP13000HXT Tri Fuel |
|
Check Latest Price |
 DuroMax XP15000HXT Tri Fuel |
|
Check Latest Price |
 WEN TF-1450X Tri-Fuel Generator |
|
Check Latest Price |
| Champion 8125W Tri-Fuel Generator |
|
Check Latest Price |
Each of these models earned its place through a combination of owner satisfaction, power delivery, and safety features. Below we break down exactly what it is like to live with each one.
1. Westinghouse WGen11500TFc 14500 Peak Watt — Best Overall for Whole-Home Backup
Westinghouse 14500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
14500W peak / 11500W running
Gas, propane, natural gas
Up to 19 hours runtime
230 lbs with 550cc engine
Pros
- Excellent power output for whole house backup
- Remote start with key fob works reliably
- Tri-fuel flexibility
- Runs smoothly and quietly for its size
Cons
- Heavy at 230 pounds
- Currently out of stock
This is the generator I would put in my own driveway. The WGen11500TFc pushes 14,500 peak watts and 11,500 running watts on gasoline, which is enough to run a well pump, refrigerator, furnace blower, and even a central AC unit at the same time. Houston-area buyers who need AC backup during hurricane outages repeatedly confirm this model handles a 3-ton unit without struggling.
The remote start key fob is not a gimmick. Owners report it works reliably from a real distance, so you can fire the unit up from inside your garage instead of walking out into the rain. And with a 9.5-gallon tank rated for up to 19 hours of runtime, you are not refueling every few hours like you would with a smaller unit.
On the technical side, the 550cc four-stroke OHV engine runs at low total harmonic distortion, which keeps voltage stable enough for sensitive electronics. The CO sensor with automatic shutdown is now a must-have feature, and Westinghouse gets it right here — the unit shuts itself down if carbon monoxide levels climb dangerously.
The outlet layout is well thought out. You get a transfer-switch-ready L14-30R 30-amp outlet plus an RV-ready 14-50R 50-amp outlet, so this unit works as a home backup today and an RV power source next summer. The 3-year limited warranty rounds out the package.
Natural gas connection and what to expect
Connecting to a natural gas line requires the included NG hose and a licensed plumber or utility-qualified installer to add a quick-connect fitting to your gas meter or house line. Expect to lose roughly 10 to 20 percent of output versus gasoline, so plan for around 9,500 to 10,000 running watts on NG.
Forum users consistently say the natural gas hookup is what makes this generator worth owning. During multi-day outages, you never refuel — the utility gas supply keeps flowing, and so does your power.
Who should buy this one
This is the right pick if you want true whole-house coverage from a portable unit and you have natural gas service at your home. It is also the best choice if you plan to run a central air conditioner during outages.
Skip it if you need something you can lift into a truck bed by yourself or if your backup needs are limited to a fridge and a few lights — a smaller unit will save you money and storage space.
2. Westinghouse WGen9500TFc 12500 Peak Watt — Best In-Stock All-Rounder
Westinghouse 12500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
12500W peak / 9500W running
Gas, propane, natural gas
Up to 12 hours runtime
457cc engine, 215 lbs
Pros
- Reliable whole house backup power
- Tri-fuel capability
- Remote start works from 40 feet away
- Includes propane and natural gas hoses
Cons
- Heavy at 215 pounds
- Can be loud during operation
The WGen9500TFc is the slightly smaller sibling of our top pick, and honestly it hits a sweet spot for most homes. With 12,500 peak watts and 9,500 running watts on gasoline, it covers essential loads plus a window AC unit or a small central system. Owners rate it 4.8 stars across more than 2,400 reviews, which is a remarkably consistent satisfaction level.
What stands out in owner feedback is how well the remote start performs — multiple reviewers confirm the key fob works from around 40 feet away. Westinghouse also includes both the propane and natural gas hoses in the box, which saves you an extra purchase and a hardware store trip.
Technically, the 457cc OHV engine runs up to 12 hours on the 6.6-gallon tank, and the outlet selection covers every realistic scenario. You get two GFCI 120V household outlets, a transfer-switch-ready L14-30R, and an RV-ready 14-50R 50-amp outlet.
Safety features include automatic low oil shutdown and CO shutdown. The main trade-off versus the bigger Westinghouse units is runtime — 12 hours instead of 19 — and noise, which some owners describe as significant under heavy load.
Fuel switching in real conditions
Switching between gasoline, propane, and natural gas is straightforward once you understand the sequence — close the gasoline fuel valve, let the carburetor bowl run dry, then connect your propane or NG line and restart. Plan on about five minutes the first time and under two minutes once you have done it a few times.
Keep in mind the derating. On propane you are looking at roughly 8,100 to 9,000 running watts, and on natural gas a bit less. That is still plenty for a refrigerator, freezer, furnace, lights, and a small AC unit.
Who should buy this one
This is the best pick for typical suburban homes that need essentials covered with headroom to spare. It is in stock, well reviewed, and priced below the flagship model.
Pass on it if you have a larger home with a big central AC, a well pump, and an electric water heater all running at once — step up to a 13,000-watt-plus unit instead.
3. Westinghouse WGen10500TFc 13500 Peak Watt — Best for Long Outages
Westinghouse 13500 Peak Watt Tri-Fuel Home Backup Portable Generator, Remote Electric Start, Transfer Switch Ready, Gas, Propane, and Natural Gas Powered
13500W peak / 10500W running
Up to 19 hours runtime
9.5-gallon fuel tank
500cc engine, 230 lbs
Pros
- Powerful enough to run entire home including AC units
- Excellent tri-fuel flexibility
- Remote start is convenient
- Runs quietly for its size
Cons
- Currently out of stock
- Heavy - requires two people
Sitting between the 12,500 and 14,500 models, the WGen10500TFc delivers 13,500 peak watts and 10,500 running watts with the same 9.5-gallon fuel tank as the flagship. That combination gets you up to 19 hours of runtime, which matters most during extended outages when refueling runs become a chore.
Owners say this unit runs an entire home including AC units. One recurring theme in reviews is that it runs more quietly than expected for its class — a real benefit if your neighbors are close and the outage lasts days.
The feature set mirrors the rest of the Westinghouse tri-fuel line: remote electric start, transfer-switch-ready L14-30R, RV-ready 14-50R, two GFCI household outlets, a USB charging port, and automatic low oil and CO shutdown. The 3-year limited warranty matches the brand standard.
The 500cc engine is a proven platform, and at 230 pounds the wheel kit is essential. Reviewers note it genuinely takes two people to load and unload — plan your storage and deployment accordingly.
Runtime on each fuel type
On gasoline, expect up to 19 hours at moderate load from the 9.5-gallon tank. On propane, a standard 20-pound tank gives you roughly 8 to 10 hours at half load, so keep multiple tanks ready. On natural gas, runtime is effectively unlimited as long as your utility supply stays pressurized.
That natural gas advantage is why this model earns our long-outage badge — it pairs big-tank gasoline endurance with an NG option that never needs refueling.
Who should buy this one
Buy this if you live in an area with multi-day outage risk — Gulf Coast hurricanes, ice storms, wildfire shutoffs — and want maximum runtime in one tank. It is also a good fit for rural properties with well pumps.
Note that it has been cycling in and out of stock, so if you find it available, do not wait long to decide.
4. Westinghouse iGen12000TFc 12000 Peak Watt Inverter — Best for Clean, Quiet Power
Westinghouse 12000 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
12000W peak / 9000W running
Inverter with ≤3% THD
As low as 64 dBA
Parallel capable, 191 lbs
Pros
- Inverter technology produces clean power for sensitive electronics
- Very quiet operation
- Tri-fuel flexibility
- Eco Mode saves fuel and reduces noise
Cons
- Newer product with limited review count
- Heavy at 191 pounds
The iGen12000TFc is the newest model in this lineup and the only true tri-fuel inverter generator here. Inverter technology matters because it produces power at ≤3% total harmonic distortion — clean enough to safely run laptops, TVs, and modern furnaces with electronic control boards.
The noise difference is immediately noticeable. In Eco Mode this unit drops to as low as 64 dBA, which is quieter than most conventional open-frame generators of comparable output. If you have close neighbors or plan to run it overnight, this is a meaningful quality-of-life improvement.
Output is 12,000 peak watts and 9,000 running watts on gasoline, with the usual derate on propane and natural gas. The 457cc engine delivers up to 19 hours of runtime at 25% load, and the LED data center shows fuel level, power output, and remaining runtime at a glance — something owners of older generators appreciate more than they expected.
It is also parallel capable, so you can pair two units to double your output later instead of buying one massive generator upfront. The remote start fob and 50A 14-50R outlet round out a complete package.
Is an inverter worth the upgrade?
Inverter generators cost more per watt, but they deliver three benefits: clean power for electronics, lower noise, and better fuel economy at partial load via Eco Mode. If your backup plan involves running computers, medical devices with power adapters, or a modern HVAC board, the ≤3% THD rating buys real peace of mind.
For pure brute-force value, the conventional models above deliver more watts per dollar. Choose based on what you are actually powering.
Who should buy this one
This is the pick for RV owners, suburban users with noise-sensitive neighbors, and anyone running sensitive electronics. It is also the smart choice if you think you might expand to a parallel two-generator setup down the road.
The only hesitation: it is a newer release with just over 160 reviews so far, so long-term reliability data is still building. The 3-year warranty helps offset that risk.
5. DuroMax XP13000HXT 13000 Watt — Best Value Tri-Fuel Generator
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/Blue
13000W peak / 10500W running
500cc OHV engine
15-ft natural gas hose included
240 lbs with CO Alert
Pros
- Excellent value for power output
- Comes with quality brass fittings and 15-foot natural gas hose
- Remote start is convenient
- Can run entire house including AC units
Cons
- Heaviest model at 240 pounds
- Noise level is significant
DuroMax has built a strong reputation in the generator community, and the XP13000HXT shows why. You get 13,000 peak watts and 10,500 running watts at a price noticeably below comparable Westinghouse models, and it ships with quality brass fittings plus a 15-foot natural gas hose that competing brands make you buy separately.
The r/Generator community consistently recommends DuroMax alongside Westinghouse as the two brands to trust. One rural user running a small butcher shop in the boonies relies on an HXT-series tri-fuel as the primary outage solution — exactly the fuel-flexibility use case these machines are built for.
The front-facing interface makes switching fuel types genuinely easy, with clearly labeled controls instead of a confusing spread of valves around the machine. Push-button and remote start both work well, and the transfer-switch-ready 50-amp outlet handles whole-home connections without adapters.
Trade-offs are real though. At 240 pounds it is heavy, the 8.3-gallon tank delivers about 8 hours of runtime on gasoline, and owners report the noise level is significant. Position it away from bedrooms and be a good neighbor.
What the CO Alert system does
The built-in CO Alert monitors carbon monoxide levels around the generator and shuts the engine down automatically if dangerous concentrations build up. It is a backup safety net, not a substitute for correct placement — always run it outdoors, at least 20 feet from any window, door, or vent.
This feature has become standard equipment buyers now expect, and rightly so. Never defeat or disable it.
Who should buy this one
Buy the XP13000HXT if you want maximum whole-home power per dollar and value the included natural gas hose and brass fittings. The 3-year factory warranty and Prime shipping make it an easy purchase.
Look elsewhere if noise is a primary concern or if you need long gasoline runtime — 8 hours per tank means refueling twice a day during extended outages.
6. DuroMax XP15000HXT 15000 Watt — Best Heavy-Duty Tri-Fuel Generator
DuroMax XP15000HXT 15,000 Watt Tri Fuel Portable Home Power Backup HXT Generator w/CO Alert
15000W peak / 12000W running
670cc OHV engine
17 hours at 50% load
13.2-gallon tank, 5-yr warranty
Pros
- Tri-fuel flexibility
- Remote start capability
- CO Alert safety feature
- High power output for whole home backup
Cons
- Very loud operation
- Heavy at 362 lbs
When you absolutely need to run everything at once, the XP15000HXT is the most powerful generator on this list. With 15,000 peak watts and 12,000 running watts on gasoline, it handles large homes with multiple AC units, electric water heaters, and well pumps simultaneously.
The 670cc engine and 13.2-gallon tank deliver up to 17 hours of runtime at 50% load — genuinely impressive for this output class. Even after derating for natural gas, you are still looking at around 9,600 to 10,800 running watts, enough for a large home’s essential plus comfort loads.
DuroMax backs this model with a 5-year warranty, the longest in this roundup and a strong signal of confidence in the engine. The digital display with fuel and load gauge helps you track consumption, and the push-button plus remote start options make firing up a 362-pound machine painless.
Be realistic about the downsides. Owners describe the operation as very loud, and at 362 pounds this is not a portable unit in any casual sense — it lives where you park it. Plan a permanent spot with a pad, and consider a generator cover.
Do you actually need 15,000 watts?
Add up your essential loads first: refrigerator, freezer, furnace blower, lights, and electronics typically total 3,000 to 5,000 watts. Add a 3-ton central AC and you are near 9,000 to 11,000 starting watts. Only large homes with multiple high-draw appliances truly need this much capacity.
If your math lands under 11,000 watts, the XP13000HXT or a Westinghouse model will serve you better for less money and less noise.
Who should buy this one
This is the pick for large homes, small businesses, and rural properties with heavy well-pump and HVAC loads. The 5-year warranty makes it a long-term investment rather than a purchase.
It is overkill for apartments, small homes, and RV use. Between the weight, noise, and cost, choose it only if nothing smaller will cover your load.
7. WEN TF-1450X 14500 Watt — Best Budget Big-Watt Option
WEN 14,500-Watt 120V/240V Tri-Fuel Generator for Gas, Propane, and Natural Gas, Transfer-Switch Ready with Electric Start, Wheel Kit, and CO Watchdog (TF-1450X), Black & Red
14500W peak / 11500W running
500cc engine
12 hours at half load
8.2-gallon tank, wheel kit
Pros
- Excellent value for power output
- Tri-fuel versatility
- CO Watchdog protection
- Good runtime
Cons
- Limited stock available
- Some assembly issues reported
WEN quietly undercut everyone in the big-watt tri-fuel category. The TF-1450X matches the Westinghouse flagship’s 14,500 peak and 11,500 running watts but at a price closer to mid-range units. For pure watts per dollar, nothing else here comes close.
The package is complete: electric start with key, transfer-switch-ready outlets, a wheel kit, and the adapters you need for propane and natural gas. The CO Watchdog carbon monoxide shutdown system provides the same core safety function as the Westinghouse and DuroMax equivalents.
Runtime lands at 12 hours at half load from the 8.2-gallon tank — solid for this class. The 500cc engine is conventionally governed, so expect open-frame noise levels similar to the DuroMax rather than inverter quiet.
The caveats are practical rather than performance-related. Stock runs thin, so availability comes and goes, and some buyers report assembly hiccups with the wheel kit and handles. Nothing deal-breaking, but set aside an hour and a second pair of hands for setup.
Assembly and first startup
Out of the box you will attach the wheels and handle supports, add oil, connect the battery for electric start, and add fuel. Budget about an hour and read the manual’s fuel-valve sequencing before your first start.
Do a test run with a load before an emergency. The worst time to learn your generator’s quirks is during a storm at midnight.
Who should buy this one
Buy the TF-1450X if you want maximum output on a tight budget and are comfortable with a newer model that has a smaller review base. Early owners rate it 4.7 stars.
Move on if you want the deepest track record — with only a handful of reviews so far, this model is proven on spec rather than on years of field reports.
8. Champion 8125-Watt Tri-Fuel — Best Budget Entry Point
Champion Power Equipment 8125-Watt Electric Start Tri-Fuel Portable Generator with Free 3-Year Warranty
8125W peak / 6500W running
389cc engine
Natural gas ready out of box
197 lbs, CO Shield
Pros
- Natural gas ready out of the box
- CO Shield safety feature
- Electric start
- More affordable mid-range option
Cons
- Loud operation
- Shorter runtime at 6 hours
The Champion 8125 is the most affordable tri-fuel generator in this roundup, and it is the model we recommend most often for first-time buyers. It delivers 8,125 peak watts and 6,500 running watts on gasoline — enough for a refrigerator, freezer, furnace blower, lights, and either a window AC unit or a microwave, though not everything at once.
What sets Champion apart here is that it is natural gas ready out of the box, with both the NG and propane hoses included. No extra fittings to buy, no waiting on parts. Connect it to your gas line and you have a backup power source that never needs a refueling run.
The feature set is honest and practical: electric start rocker switch, IntelliGauge monitoring display, and Champion’s CO Shield auto shutoff for carbon monoxide safety. At 197 pounds it is the lightest full-size unit in this guide, and one person can wheel it around on flat ground.
The compromises are runtime and noise. Six hours on the 8.5-gallon tank means daytime refueling during extended outages, and owners confirm it runs loud. On natural gas, those concerns fade — the fuel supply is continuous.
Sizing check before you buy
List your essential appliances and check each one’s starting watts, not just running watts. A refrigerator might need 1,200 watts to start but only 200 to run. Motors — well pumps, furnace blowers, AC compressors — typically need two to three times their running wattage at startup.
If your essential-loads total stays under about 5,500 running watts with headroom for motor starts, the Champion covers you comfortably. Above that, step up to a bigger unit.
Who should buy this one
This is the pick for smaller homes, apartments with essential-circuit backup, budget buyers, and anyone who mainly wants the natural gas option without paying for watts they will never use.
It is not the right choice for whole-house backup with central AC. If your plan includes a 3-ton compressor, look at the 13,000-watt-plus models above.
How to Choose the Best Tri-Fuel Generator for Your Home?
Choosing the right tri-fuel generator comes down to four decisions: how much power you need, which fuel you will actually use most, how you will connect it to your home, and what safety features are non-negotiable. Here is how to work through each one.
Step 1: Calculate your wattage needs
List everything you want to run during an outage and record both running watts and starting watts for each. Focus on essentials: refrigerator, freezer, furnace or boiler, well pump, sump pump, lights, phone and laptop charging.
A typical essential-load list totals 3,000 to 5,000 running watts. Add a central air conditioner and you jump to 8,000 to 11,000 starting watts depending on tonnage. Size your generator to exceed your total starting watts by about 20 percent so the machine is not running flat-out.
Step 2: Understand power loss per fuel
This is the detail most guides skip. Gasoline delivers full rated output. Propane typically produces 85 to 95 percent of gasoline output, and natural gas produces 80 to 90 percent.
So a 10,500 running-watt generator might give you roughly 9,000 on propane and 8,400 on natural gas. If your plan depends on natural gas — the most convenient fuel for home backup — size around the NG number, not the headline gasoline figure.
Step 3: Decide on your fuel strategy
Gasoline stores poorly, is dangerous to stockpile in volume, and can be impossible to find before a storm. Propane stores indefinitely in tanks and is widely available. Natural gas flows through utility lines that often keep working even during extended power outages.
Forum consensus is clear: if you have natural gas service at your home, a tri-fuel generator connected to that line is the most reliable backup setup short of a built-in standby system. Use gasoline only as your third resort.
Step 4: Plan your transfer switch
Never backfeed a house through a dryer outlet — it is illegal in most jurisdictions and can kill a utility worker. Connecting a portable generator to your home’s wiring requires a transfer switch, which an electrician typically installs for a few hundred dollars in labor plus the switch itself.
Look for generators with an L14-30R or 14-50R outlet marked transfer-switch-ready, which all eight models above have. A manual transfer switch with an interlock lets you select specific circuits; a cheaper alternative is running heavy-duty extension cords to individual appliances.
Step 5: Do not compromise on safety
Carbon monoxide from generators kills people every year, and modern CO-sensing shutoff systems exist for a reason. Every model in this guide includes one: Westinghouse CO shutdown, DuroMax CO Alert, WEN CO Watchdog, and Champion CO Shield.
Always operate outdoors at least 20 feet from windows, doors, and vents, with the exhaust pointed away from the house. Install battery-powered CO alarms inside your home, and never run a generator in a garage, even with the door open.
Frequently Asked Questions
Are tri-fuel generators worth it?
Yes, if you have natural gas service at your home or want maximum fuel flexibility during emergencies. Natural gas lines often keep flowing during power outages, giving you near-continuous runtime without refueling. If you have no natural gas access and never plan to use it, a dual-fuel model may save you money.
What are the top three generator brands?
For tri-fuel portables, the three most trusted names are Westinghouse, DuroMax, and Champion. Westinghouse leads in owner satisfaction and features, DuroMax is the value and heavy-duty leader, and Champion is the go-to for affordable, reliable mid-size units.
What is the most reliable generator on the market?
Among portable tri-fuel models, the Westinghouse WGen11500TFc stands out with a 4.8-star rating across more than 2,800 reviews and a 3-year warranty. The DuroMax XP15000HXT backs its reliability claim with a 5-year warranty, the longest in this category.
Who makes the best RV generator?
For RV use, the Westinghouse iGen12000TFc inverter generator is the strongest choice thanks to its clean ≤3% THD power, 64 dBA quiet operation, and RV-ready 50-amp 14-50R outlet. For smaller RVs, Champion’s tri-fuel models offer a more affordable alternative.
How much power do you lose on propane or natural gas?
Expect roughly 85 to 95 percent of rated gasoline output when running on propane, and 80 to 90 percent on natural gas. A generator rated at 11,500 running watts on gasoline may deliver around 9,500 watts on natural gas, so size your purchase around the fuel you plan to use most.
Do you need a transfer switch for a tri-fuel generator?
Yes, if you want to power your home’s wiring rather than individual appliances. A transfer switch safely disconnects your home from the utility grid while the generator runs, and it legally requires professional installation. Every generator in this guide is transfer-switch-ready.
Final Verdict
After comparing all eight models, the best tri-fuel generators of 2026 are led by the Westinghouse WGen11500TFc for whole-home backup, the DuroMax XP13000HXT for value, and the Champion 8125 for budget buyers with natural gas access.
Pick the Westinghouse inverter model if clean, quiet power matters most, and the DuroMax XP15000HXT if you truly need 15,000 watts. Whichever you choose, get the natural gas connection sorted before storm season — that is the feature that turns a portable generator into a real whole-house backup solution.