The Best Portable Generators for Home Backup: 4 Compared (and One to Skip)

RBE top pick

Westinghouse WGen9500DFc

For most homes the WGen9500DFc hits the sweet spot: enough dual-fuel power to run the whole house, remote electric start, a CO auto-shutoff sensor, and strong output-per-dollar. Step up to the iGen12000DFc if you want quieter, inverter-clean power for sensitive electronics and can stretch the budget.

See why it wins Compare all

When the power goes out, a portable generator keeps your fridge cold, your furnace running, and your phones charged. But 'portable generator' covers everything from a suitcase-sized inverter to a 234-pound open-frame beast, and the wrong choice means wasted money, wasted fuel, or power too dirty for your electronics. We synthesized independent testing and owner reports on four current 2026 models: two we'd buy, one that's the right call only for specific buyers, and one capable machine that's simply the wrong tool for most homes. Every pick here has a built-in carbon-monoxide shutoff sensor, because in 2026 there is no good reason to buy one without it.

RBE top pick

Westinghouse

Westinghouse WGen9500DFc

Buy it

The no-drama dual-fuel workhorse that covers a whole home for a sensible spend.

Best for: Homeowners who want dependable whole-home backup and value output-per-dollar over whisper-quiet running.

$$$ · premium

Why we like it

• 12,500 peak / 9,500 running watts on gas comfortably runs a fridge, furnace, well pump, and lights at once
• Dual fuel: run gasoline for max output or propane for cleaner storage and easy long-term fuel keeping
• Push-button electric start with an included remote key fob, so you never have to yank a pull-cord in the cold
• Built-in CO sensor that automatically shuts the engine down if dangerous carbon-monoxide levels build up

Know before buying

• Conventional open-frame design produces higher-THD power than an inverter, so it is not the first choice for the most sensitive electronics
• At around 212 pounds and roughly 74 dBA it is heavy to reposition and clearly audible from the yard

Check current price on Amazon Read our detailed assessment ↓

Westinghouse

Westinghouse iGen12000DFc

Buy it

Whole-home output with inverter-clean power, if you can stretch the budget.

Best for: Homeowners who want to power the whole house including sensitive electronics, quietly, and will pay for inverter power quality.

$$$$ · flagship

Why we like it

• Inverter design delivers less than 3% total harmonic distortion, safe even for laptops, TVs, and other sensitive electronics
• 12,000 peak / 9,000 running watts on gas is enough for most whole-home essential loads
• Noticeably quieter than an open-frame unit at around 64 dBA, and lighter than you'd expect at about 189 pounds
• Dual fuel plus remote electric start and a built-in CO auto-shutoff sensor

Know before buying

• Costs meaningfully more than a conventional generator of similar output
• Still a large wheeled unit, not something you carry, and running watts sit slightly below the open-frame WGen9500DFc on gas

Check current price on Amazon Read our detailed assessment ↓

Westinghouse

Westinghouse iGen4000DFc

It depends

A quiet, featherweight inverter for essentials, RVs, and small backup needs, not the whole house.

Best for: Apartment dwellers, RVers, and homeowners who only need to keep the fridge, Wi-Fi, and a few lights alive.

$$ · mid-range

Why we like it

• Very quiet at around 52 dBA and light at under 63 pounds, so one person can move and store it easily
• Clean inverter power and dual fuel, with a CO auto-shutoff sensor built in
• Long propane runtime, with owners reporting roughly 17 hours at a quarter load on a standard tank

Know before buying

• 3,300 running watts on gas covers essentials like a fridge and a few circuits, not a whole home with a well pump or central AC
• You will need to prioritize loads rather than run everything at once

Check current price on Amazon Read our detailed assessment ↓

We'd skip it

DuroMax

DuroMax XP13000EH

Skip it

A powerful, well-built beast that is simply overkill and overkill-heavy for typical home backup.

Best for: Large homes with heavy simultaneous loads or worksites that truly need 13kW and don't mind the size.

$$$ · premium

Why we like it

• Huge 13,000 peak / 10,500 running watts on gas for large homes or job sites
• Dual fuel and all-metal construction, with a CO shutdown sensor included
• Owners consistently praise its raw power and rugged build

Know before buying

• At 234 pounds it is genuinely hard to move, even on its wheels, and it is loud
• Conventional (non-inverter) power is less ideal for sensitive electronics
• 13kW is far more than most homes will ever draw, so you pay in purchase cost, fuel, weight, and noise for capacity you won't use

Check current price on Amazon Read our detailed assessment ↓

How we judged the field

We don’t run our own generator lab. Instead, we synthesize published independent testing with the pattern of owner reports across thousands of buyers, then weigh what actually matters when the lights go out. Five things drove our verdicts:

• Usable power — not just the headline peak number, but the running watts on gasoline and propane, and whether the surge (starting) capacity can handle motor-driven loads like fridges and pumps.
• Power quality — conventional open-frame units are cheaper per watt but produce higher-THD power; inverters deliver cleaner power that’s safe for sensitive electronics.
• Carbon-monoxide safety — every pick here includes a built-in CO auto-shutoff sensor, which in 2026 we treat as a baseline requirement, not a bonus.
• Livability — noise, weight, fuel flexibility, and how easy the unit is to start and reposition.
• Value — whether you’re paying for capability you’ll actually use.

Across the field, one theme stood out in owner reports: the most common regret isn’t buying too little generator, it’s buying too much, and then wrestling with the weight, fuel appetite, and noise.

Westinghouse WGen9500DFc — buy

This is the default recommendation for a reason. On gasoline it puts out 12,500 peak and 9,500 running watts, enough to keep a fridge, furnace, well pump, and lights going together, and it runs on propane too when you’d rather store clean fuel long-term. Reviewers consistently highlight the push-button electric start with its included remote key fob, so you’re not out in the cold yanking a pull-cord, and the built-in CO sensor that shuts the engine down if carbon monoxide builds up. It’s a conventional open-frame unit, so at roughly 74 dBA and about 212 pounds it’s audible and heavy, and its power is a touch ‘dirtier’ than an inverter’s. For the vast majority of home-backup buyers, none of that outweighs the output-per-dollar.

Westinghouse iGen12000DFc — buy

If your budget stretches and you want the whole house and clean power, this is the upgrade. It’s an inverter, so output is conditioned to under 3% THD, safe for laptops, TVs, and anything else sensitive, at 12,000 peak and 9,000 running watts on gas. Owners note it’s noticeably quieter than an open-frame unit at around 64 dBA and, at about 189 pounds, lighter than its output suggests. It’s dual fuel with remote electric start and the same CO auto-shutoff sensor. The trade-off is price: you pay a clear premium over a conventional generator of similar output, and its gas running watts sit just under the WGen9500DFc. For electronics-heavy homes that want quiet, clean, whole-home power, it’s worth it.

Westinghouse iGen4000DFc — it depends

This little inverter is genuinely excellent, just at a different job. At around 52 dBA it’s quiet enough for a campsite or a considerate neighborhood, and at under 63 pounds one person can move and store it. It gives you clean inverter power, dual fuel, a CO sensor, and long propane runtimes (owners report roughly 17 hours at a quarter load). But 3,300 running watts on gas is an essentials budget: a fridge, Wi-Fi, chargers, and a few circuits, not a whole home with a well pump or central air. Buy it if that’s your actual need. If you’re backing up a house, it’s not enough generator.

DuroMax XP13000EH — skip

Let’s be fair: this is a capable, rugged, well-liked machine, and it does include a CO shutdown sensor. But for typical home backup it’s the wrong buy. It’s a conventional (non-inverter) open-frame unit putting out 13,000 peak and 10,500 running watts, which is far more than most homes will ever draw, and you pay for that capacity in every way that matters day to day: it weighs 234 pounds and is a real chore to move even on its wheels, it’s loud, and it drinks fuel. Unless you’re running a large home with heavy simultaneous loads or a job site, you’ll get safer, quieter, cleaner, and cheaper-to-run backup from a 9,500-watt dual-fuel unit. Great generator; wrong tool for the job.

Westinghouse WGen9500DFc vs Westinghouse iGen12000DFc: which should you buy?

These two are the head-to-head that matters, because both can back up a whole home, and the decision comes down to power quality versus price. The WGen9500DFc is the value champion: conventional open-frame power, slightly higher running watts on gas, remote start, CO shutoff, and a friendlier price. The iGen12000DFc costs meaningfully more, but its inverter design delivers under 3% THD, so it’s safe for sensitive electronics, and it runs quieter (about 64 vs 74 dBA) and a bit lighter. If your backup loads are the usual suspects, fridge, furnace, pump, lights, and you don’t obsess over electronics, the WGen9500DFc is the smarter spend. If your home leans heavily on sensitive electronics or you simply want the quietest, cleanest whole-home power available here, pay up for the iGen12000DFc. Either way, both include the CO safety sensor we consider mandatory.

What to look for

• A built-in CO auto-shutoff sensor — non-negotiable in 2026. All four picks have one.
• Running watts for your real loads — total up what runs simultaneously; don’t be seduced by the peak number alone.
• Power type — inverter for sensitive electronics and quiet running; conventional for maximum output-per-dollar.
• Dual fuel — gasoline for output, propane for clean, long-term fuel storage and easy starts.
• Electric/remote start — a huge convenience when the power fails at 3 a.m. in bad weather.
• Noise and weight — you’ll live with both; lighter and quieter is worth a lot if you’ll move or store the unit often.
• A transfer switch or interlock — budget for professional installation if you want to power hardwired circuits safely. Never backfeed through a wall outlet.

Our final take

For most homes, the Westinghouse WGen9500DFc is the right call: enough dual-fuel power to run the house, remote start, a CO shutoff sensor, and honest value. Step up to the iGen12000DFc if you want quieter, inverter-clean power for electronics and can spend more. The iGen4000DFc is a superb little inverter, but only for essentials, RVs, or small setups, not a whole house. And we’d skip the DuroMax XP13000EH for typical home backup, not because it’s bad, but because it’s far more generator than most homes need, at a cost in weight, noise, and fuel. Above all, remember the one rule that outranks every spec on this page: run your generator outdoors, far from windows and doors, never in a garage or enclosed space, and back up your CO sensor with CO alarms inside the home. The best generator is the one that keeps your lights on without ever putting your family at risk.

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