Best Inverter Generators

Inverter generators are the portables you can live next to: 48-60 dB instead of lawn-mower loud, clean sine-wave power that's safe for laptops and CPAP machines, and engines that throttle down to sip fuel at partial load. They cost more per watt than open-frame units, which is the entire tradeoff — quiet, clean, efficient power for camping and outage essentials.

Outage Geek tracks 31 inverter generators from 12 brands, priced $417 to $4,999. The least expensive is the A-iPower SUA2301i at $417, and the list below runs cheapest first.

A-iPower SUA2301i

~$417

Inverter Generator · Gasoline · 52 dB

A-iPower SUA2301i

A budget 2 kW inverter from a brand that sells mostly online, and one of the lighter units in its class at 42.2 lbs. It makes 1,800 running and 2,300 starting watts and has a CO alert, an L5-30R 30A outlet, two 20A outlets, 12V DC, USB-A and USB-C, with parallel cables in the box. Owners use it for camping and short-outage fridge-and-lights duty, and the common praise is the price: A-iPower lists $579 and sells it for $417. The complaints are what you would expect at that price: a 0.9 gallon tank gives short runs at higher loads, the 52 dBA figure is an as-low-as number at light load, and the engine is small. The 30A L5-30R is a 120V port, not a 240V transfer-switch outlet. It carries a 3-year limited warranty and the maker advertises US-based support. There is a dual fuel SUA2301iD for about $50 more.

1,800 W / 2,300 W surge · up to lights, phones, router, a CPAP

running: 1,800 W

Best for Budget campers and tailgaters who want the lightest, cheapest 2 kW inverter with a 30A outlet and parallel cables in the box.

Full spec sheet Check price on Amazon

WEN 56235i

~$510

Inverter Generator · Gasoline · 51 dB

WEN 56235i

The budget-inverter benchmark and a long-running Wirecutter-class recommendation: 1,900 running watts, a class-leading 39-lb carry weight, and 51 dB at quarter load — numbers that shadow the Honda EU2200i for less than half the money. The killer feature is the three-position fuel shutoff, which burns the carburetor dry before shutdown and largely prevents the gummed-carb death that plagues stored generators. Owners describe camping, tailgating and outage service, one of them through five or six outages. The limits: it's 100 watts shy of the Honda with less surge grace, the eco mode hunts with cycling loads, the 1-gallon tank needs topping during long nights, WEN's warranty is 2 years versus 3 for the majors, and long-term durability past the 500-hour mark is less documented than Honda's. Per dollar, nothing embarrasses it.

1,900 W / 2,350 W surge · up to lights, phones, router, a CPAP

running: 1,900 W

Best for Campers and emergency-kit builders who want Honda-adjacent quiet and weight at a third of the price.

Full spec sheet Check price on Amazon

Westinghouse iGen2550c

~$529

Inverter Generator · Gasoline · 52 dB

Westinghouse iGen2550c

The current small Westinghouse replaces the older iGen2500 and gives you a 30A RV outlet and a CO sensor on a 2 kW inverter without paying Honda money. It makes 1,900 running watts and 2,550 peak, weighs 40 lbs and has an LED data center showing fuel level, load and remaining run time. Owners use it for campsites, tailgates and as a short-outage fridge-and-lights unit. Reports are positive on value and on how easy it is to carry, and most of the complaints are about the engine: it is small, so at full load the 1.1 gallon tank gives much less than the 11-hour figure that Westinghouse rates at a quarter load; the 52 dBA rating is a published figure, and owners say it is louder than that under heavy load. It parallels with a second iGen with optional cables. Westinghouse lists a $529 MSRP and sells through retailers such as Home Depot and Lowe's, where street prices move around that figure.

1,900 W / 2,550 W surge · up to lights, phones, router, a CPAP

running: 1,900 W

Best for RV and tailgate users who want a light 2 kW inverter with a 30A outlet and CO shutoff at about half the price of a Honda or Yamaha.

Full spec sheet Check price on Amazon

Generac GP3300i

~$599

Inverter Generator · Gasoline

Generac GP3300i

Generac's play for the Honda EU2200i shopper who balks at $1,200: 2,500 running watts (700 more than the Honda), PowerRush surge tech, USB ports, and COsense CO shutdown for roughly half the money, in a 60-lb suitcase. What to know: Generac doesn't publish a noise spec, the 1-gallon tank is small, and the 3-year warranty runs through Generac's dealer network. A rational value pick if ultimate quiet isn't the goal.

2,500 W / 3,300 W surge · up to fridge, freezer and the essentials

running: 2,500 W

Best for Budget campers who want more watts than an EU2200i for half the price and accept more noise.

Full spec sheet Check price on Amazon

Champion 2500W Dual Fuel Inverter

~$599

Inverter Generator · Dual Fuel (Gas/Propane) · 53 dB

Champion 2500W Dual Fuel Inverter

The budget answer to the two Japanese 2 kW inverters: when the choice is between about $600 and $1,200, most owners take this one. It runs 1,850 watts on gasoline and 1,665 on propane, so a 20 lb tank gives the same generator a long, odorless standby fuel that does not go stale. Owners use it as a camping unit and for short outages, covering a fridge, a few lights, a router and a CPAP. The CO Shield sensor shuts it down if carbon monoxide builds near the unit, and the 53 dBA rating is measured at 23 feet, so it is not directly comparable with Honda's figure. What comes up again and again: a loud cold start, the fuel valve and propane hose being fiddly, a single duplex outlet so power has to be split carefully, and some reports of parts-and-service delays.

1,850 W / 2,500 W surge · up to lights, phones, router, a CPAP

running: 1,850 W

Best for Campers and apartment-sized backup users who want a light propane-capable inverter at about half the price of a Honda or Yamaha 2 kW unit.

Full spec sheet Check price on Amazon

DuroMax XP2300iH

~$649

Inverter Generator · Dual Fuel (Gas/Propane) · 52 dB

DuroMax XP2300iH

The small DuroMax is one of the few 2 kW inverters that runs on propane. It makes 1,800 running watts on gasoline and 1,700 on propane, and the propane runtime is the headline: 38 hours at a quarter load on a 20 lb tank, which is a long stretch for a fridge, router and lights in an outage, and propane does not go stale in storage. Owners also mention the 30A L5-30 outlet, USB-C port and the included parallel cable. The complaints are the 50 lb weight for a 2 kW unit, the plastic 4.5 inch wheels, which are small, and noise: the 52 dB is a light-load figure, and owners find it louder than Honda's under real load. It uses DuroMax's in-house engine, not a Honda or Yamaha, and costs about half as much as either. DuroMax lists it at $799 and charges $649.

1,800 W / 2,300 W surge · up to lights, phones, router, a CPAP

running: 1,800 W

Best for Campers and small-outage households who want a propane-capable 2 kW inverter at half the price of a Honda EU2200i.

Full spec sheet

Ryobi RYi2322

~$699

Inverter Generator · Gasoline

Ryobi RYi2322

The current Bluetooth Ryobi, aimed at people already living in the 18V ONE+ ecosystem. It makes 1,800 running and 2,300 starting watts, weighs 52 lbs and has a built-in CO sensor, an LCD showing fuel level and remaining run time, and the GenControl app that shows the same numbers over Bluetooth. Owners use it as a campsite and short-outage unit for a fridge, lights and a router. The app and the wheels with extending handle are what people like; the complaints are price and the lack of a 30A outlet. At $699 it costs more than a WEN or DuroMax with more output and more outlets, and it has only two 120V outlets and no RV port, so the buyer is paying for the app and the brand. Ryobi publishes no decibel rating. The RYi2322E adds an electric start that uses an 18V ONE+ battery for $849.

1,800 W / 2,300 W surge · up to lights, phones, router, a CPAP

running: 1,800 W

Best for Homeowners already on Ryobi 18V who want a quiet-class 2 kW inverter with a fuel and runtime readout on their phone.

Full spec sheet

WEN 56380i

~$700

Inverter Generator · Gasoline · 57 dB

WEN 56380i

The 3,800-watt step in WEN's closed-case inverter line, with electric start, wheels and a folding handle. It makes 3,400 running watts, enough for a fridge, furnace blower and most RV air conditioners on a soft start, and it costs roughly a third of a Honda EU3200i. The price, and an electric start that makes it painless in a cold garage, win it fans. Complaints center on the 99 lb weight, the 57 dB rating taken at a quarter load so full-load noise is higher, and parts and service that run through WEN rather than a dealer network. There is no CO shutoff sensor on this model, so owners need a separate CO alarm. The TT-30R is a 120V outlet and does not feed a 240V transfer switch. WEN publishes no weight figure; the 99 lbs is a retailer's number.

3,400 W / 3,800 W surge · up to fridge, freezer and the essentials

running: 3,400 W

Best for RV owners and tailgaters who want electric start and 3.4 kW at well under a thousand dollars, and who will run a separate CO alarm.

Full spec sheet Check price on Amazon

EcoFlow Smart Generator 3000 (Dual Fuel)

~$749

Inverter Generator · Dual Fuel (Gas/Propane) · 69 dB

EcoFlow Smart Generator 3000 (Dual Fuel)

This isn't really a competitor to Honda — it's a range extender for EcoFlow's battery ecosystem, and that's exactly how owners use it. Paired with a DELTA 3, DELTA 3 Plus or DELTA 3 Ultra Plus, it auto-starts itself when the battery drops below a threshold you set in the app, charges the station through its AC input, then shuts itself off — so the noisy, fuelly part of backup power runs as little as possible. It also works as a plain 2,000W dual-fuel inverter generator with app control and five start methods. Owner verdict: it does the job with a supported DELTA 3 and is ordinary outside that pairing — 69 dB is loud for 2,000 watts, the 1-year warranty is stingy, LPG output drops to 1,800W, and at typical pricing you can buy more raw watts elsewhere. As the automated gas backstop to a solar-battery setup, though, nothing mainstream matches it.

2,000 W / 3,000 W surge · up to lights, phones, router, a CPAP

running: 2,000 W

Best for EcoFlow battery owners who want an automatic fossil-fuel backstop for extended outages.

Full spec sheet

Champion 4000W Electric Start Dual Fuel Inverter

~$749

Inverter Generator · Dual Fuel (Gas/Propane) · 64 dB

Champion 4000W Electric Start Dual Fuel Inverter

A closed-case 4,000-watt inverter at 54 lbs is an unusual combination, and it is why owners keep asking about this one. It runs 3,300 watts on gasoline and 2,970 on propane, has electric start with a battery in the box, and weighs far less than the older wheeled 3,400 W Champion. That makes it a practical camp or RV unit that also stretches to a fridge, a furnace blower and some lights in a short outage. The tradeoffs are visible on the spec sheet: it is rated 64 dBA, which is loud for an inverter and noticeably louder than a Honda, and the output stops at one duplex plus a TT-30R RV outlet, so there is no 240V port and no transfer-switch hookup. Owners mention that the engine is small for the output, so full-load runs are short. Retail prices range from about $600 to $800 depending on the store.

3,300 W / 4,000 W surge · up to fridge, freezer and the essentials

running: 3,300 W

Best for RV and campsite users who want 4 kW surge, electric start and propane in a one-person carry, and can put up with 64 dBA.

Full spec sheet

WEN DF480iX

~$750

Inverter Generator · Dual Fuel (Gas/Propane) · 62 dB

WEN DF480iX

The WEN to look at when you want a 4 kW inverter with CO shutdown and propane for under $800. It makes 4,000 running and 4,800 surge watts on gasoline, and 3,600 and 4,320 on propane, with electric start and a tool-free LPG connector. Four 20A outlets and a TT-30R mean it can power a camper and a few extension cords at once. The CO Watchdog sensor shuts it down if carbon monoxide builds up, and owners say it can trip when the unit is placed against a wall or in a low spot, so placement matters. Complaints are weight, at about 78 lbs by retailer figures since WEN publishes none, noise that is higher than WEN's 62 dB quarter-load figure under load, and service routed through WEN directly. It is an easy price to like beside a Honda or Yamaha at this output, and it comes with a three-year warranty, a year longer than WEN's older models. The TT-30R is a 120V outlet, so a 240V transfer switch is out.

4,000 W / 4,800 W surge · up to furnace blower, sump pump or a window AC

running: 4,000 W

Best for RV and campsite users who want 4 kW, propane and CO shutdown at a price that sits near half of Honda's.

Full spec sheet Check price on Amazon

Predator 3500 Inverter

~$799

Inverter Generator · Gasoline · 57 dB

Predator 3500 Inverter

The cult classic of the RV world. The Predator 3500 is the answer to 'why pay Honda prices?': 3,000 running watts, 57 dB super-quiet operation, electric start, and a digital readout for around $800, with periodic coupons taking it lower. Owners report five-plus-year lifespans with basic oil changes, and it starts 15k BTU RV ACs that make 2,200W units give up. Consumer Reports rates it surprisingly highly for noise and power quality. The trade-offs: 99 lbs with no folding handle makes truck-bed loading awkward, the oil fill is tilted and messy, carb varnish after storage is a common repair, the 90-day warranty is the shortest in the industry, and CARB-state buyers need the newer CO Secure version. Still the value benchmark for RV inverters.

3,000 W / 3,500 W surge · up to fridge, freezer and the essentials

running: 3,000 W

Best for RVers and tailgaters who want quiet AC-running power for the least money and accept a short warranty.

Full spec sheet

Champion 4500W Dual Fuel Inverter

~$823

Inverter Generator · Dual Fuel (Gas/Propane) · 61 dB

Champion 4500W Dual Fuel Inverter

The people's RV generator. Champion's 200988 pairs 4,500 starting watts with dual-fuel flexibility and electric start at well under half of Honda money. It is rated for up to 21 hours on a 20-lb propane tank and clean sub-3% THD power for electronics. At 61 dB it's audibly louder than a Honda or the iGen4500, more of a steady hum than a whisper, and the 103-lb body rides on small, hard wheels. The trade-offs: the electric-start battery can fail if you don't tend it (there's a maintenance charger port for a reason), and propane output derates to 3,150 running watts.

3,500 W / 4,500 W surge · up to fridge, freezer and the essentials

running: 3,500 W

Best for RV owners and tailgaters who want AC-starting power and propane flexibility at a working-person price.

Full spec sheet Check price on Amazon

Westinghouse iGen4500

~$849

Inverter Generator · Gasoline · 52 dB

Westinghouse iGen4500

A non-Honda RV inverter: 3,700 running watts, a genuine 52 dB at quarter load, a telescoping suitcase handle, and an 18-hour economy-mode runtime. The digital display with remaining-runtime readout and the remote-start fob are the standout features, at half the cost of Honda's discontinued EU3000. It starts most 15k BTU RV ACs, though in high heat owners are advised to add a soft-starter. Grievances from owners: carb trouble such as surging at idle, and a Westinghouse support line that can be hard to reach. The DF dual-fuel variant had a fuel-filter leak recall in 2020 — this gas model wasn't affected.

3,700 W / 4,500 W surge · up to fridge, freezer and the essentials

running: 3,700 W

Best for RVers who want near-Honda quiet, AC-starting power, and long runtimes at a mid-tier price.

Full spec sheet

Champion 3400W Dual Fuel Inverter

~$849

Inverter Generator · Dual Fuel (Gas/Propane) · 59 dB

Champion 3400W Dual Fuel Inverter

This is the Champion that RV owners buy when they want electric start, a 30A outlet and propane in a package that is still wheeled and under 100 lbs. It makes 3,100 running watts on gasoline and 2,790 on propane, enough for a fridge, furnace blower, sump pump and lights, and for most 13,500 BTU rooftop air conditioners. Owner reports are generally good on value: it costs less than half of a Honda EU3000iS and the push-button start and included battery make it easier to live with than a recoil-only unit. Three things get complained about: the 1.6 gallon tank only gives about 7.5 hours at a quarter load, the 59 dBA rating is louder in practice than the quiet Japanese units, and the 30A outlet is a 120V locking L5-30, which does not feed a 240V transfer switch. Parallel kits are sold separately.

3,100 W / 3,400 W surge · up to fridge, freezer and the essentials

running: 3,100 W

Best for RV owners and small-home backup users who want electric start, a 30A outlet and propane on a wheeled inverter for roughly a third of Honda money.

Full spec sheet

Westinghouse iGen4000DFc

~$859

Inverter Generator · Dual Fuel (Gas/Propane) · 52 dB

Westinghouse iGen4000DFc

A wheeled 3,300-watt inverter with electric start, a key-fob remote and propane capability for $859. It makes 3,300 running and 4,000 peak watts on gasoline, and 2,970 and 3,600 on propane, which covers a fridge, a furnace blower, a sump pump and lights, and a 13,500 BTU RV air conditioner is within reach on a soft-start. Owners like the telescoping handle and wheels at 62.8 lbs, and the key-fob start from the camper steps. The complaints are consistent: the 1.69 gallon tank gives about 7 hours even at a quarter load, so a long outage means refueling overnight or switching to propane, and owners find it louder than the 52 dBA on the spec sheet, which sits oddly beside the same figure Westinghouse gives its much smaller iGen2550c. The 30A outlet is a 120V TT-30R, so it does not feed a transfer switch. It is a bargain next to the Honda EU3200i and a notch above the budget Champions in fit and finish.

3,300 W / 4,000 W surge · up to fridge, freezer and the essentials

running: 3,300 W

Best for RV owners and backup users who want electric start, a remote fob and propane on a wheeled 3.3 kW inverter at under $900.

Full spec sheet Check price on Amazon

Honda EU1000i

~$999

Inverter Generator · Gasoline · 50 dB

Honda EU1000i

The smallest Honda, light enough to carry to a campsite in one hand. At 28.7 lbs it is the generator owners reach for to keep phones, a CPAP, a laptop, LED lights and a small fan going, and it is quiet enough at light load (42 dB) that neighbors in a campground rarely notice it. The ceiling is the catch: 900 watts running means a coffee maker or a microwave is about all it will run at once, and a large or older refrigerator can stall it on compressor start. Owners who bought it for outage use tend to say it covered a router, lights and phone charging well, then wished they had bought the EU2200i. The tank is under a gallon, so expect a refill roughly every three hours at full load. Two units can be paralleled for 2,000 watts with Honda's cable, though most people at that point would have been better served by one larger model. It carries a high price per watt, and owners accept that for the reliability.

900 W / 1,000 W surge · up to lights, phones, router, a CPAP

running: 900 W

Best for Campers, tailgaters and boaters who want the lightest, quietest Honda to charge devices and run lights, and who will not ask it to start a large fridge.

Full spec sheet Check price on Amazon

Firman W03083

~$1,130

Inverter Generator · Gasoline · 58 dB

Firman W03083

Firman's Whisper-series 3 kW inverter, with electric start and a key-fob remote that works from 168 feet away, which is a handy feature on a cold morning. The 171cc engine makes 3,000 running and 3,300 starting watts, enough for a fridge, a furnace blower and a few lights, or a 13,500 BTU RV air conditioner on a soft start. The remote start and the build get good marks, and Firman's Arizona-based service is easier to reach than brands that route support overseas, by owner accounts. The complaints are price and noise: at $1,130 it sits above WEN and DuroMax models with more output, and the 58 dB figure is taken at a quarter load, so it is louder when you are running appliances. It has no CO sensor and no propane option, and the TT-30R is 120V, so it does not feed a 240V transfer switch. The Firman store sells a refurbished version at a deep discount with a 90-day warranty, which some owners choose.

3,000 W / 3,300 W surge · up to fridge, freezer and the essentials

running: 3,000 W

Best for RV and campsite users who want a remote-start 3 kW inverter from a US-based service team and will pay a premium over WEN.

Full spec sheet

Honda EU2200i

~$1,199

Inverter Generator · Gasoline · 57 dB

Honda EU2200i

The default answer to 'which small generator should I buy' for going on two decades. The EU2200i's GXR120 engine, 47-lb carry weight, and 48-57 dB voice-level noise make it the campground and tailgate standard, and the current version adds Bluetooth monitoring, CO-MINDER shutdown, and a fuel shutoff valve so you can run the carb dry before storage — a direct response to gummed carburetors, which are behind most of the trouble owners post about. Against it: it's double the cost of credible clones, 1,800 running watts won't touch most RV air conditioners without a parallel second unit, there's no fuel gauge, and two recalls (a fuel-valve leak and a salt-water short circuit) still turn up open on older and new-old-stock units.

1,800 W / 2,200 W surge · up to lights, phones, router, a CPAP

running: 1,800 W

Best for Campers and tailgaters who want the quietest, most reliable small inverter and will pay Honda tax for it.

Full spec sheet Check price on Amazon

Generac iQ3500

~$1,249

Inverter Generator · Gasoline · 52 dB

Generac iQ3500

Generac's premium inverter was built to beat Honda's EU3000iS on paper — more starting watts, electric start, a PowerDial that combines start/run/stop in one twist, and a digital dashboard showing watts and runtime — and owners who have one call it super quiet, against a 50-52 dB rating. It starts 13.5k RV ACs and the 30A L5-30R twist-lock feeds RV adapters cleanly. The persistent owner complaint: 109 pounds with no wheels and only two handles, so moving it solo is miserable and owners bolt on a wheel kit, factory or homemade. The carburetor also wants running dry before storage, and a 2023-era recall covered certain units (stator faults causing fire risk), though current production is clear. At street prices near $1,250 it undercuts what the equivalent Honda cost by nearly half.

3,000 W / 3,500 W surge · up to fridge, freezer and the essentials

running: 3,000 W

Best for Buyers who want EU3000-class quiet and power with modern controls for far less money.

Full spec sheet Check price on Amazon

Firman WH03242

~$1,280

Inverter Generator · Dual Fuel (Gas/Propane) · 58 dB

Firman WH03242

The dual fuel Whisper Hybrid, with electric start and Firman's CO Alert sensor. On gasoline it makes 3,200 running and 4,000 starting watts, and on propane 3,000 and 3,750, which covers a fridge, a furnace blower, lights and most RV air conditioners on a soft start. Quiet running at light load, the CO alert that shuts the engine down when carbon monoxide rises, and having a second fuel when gas lines are long are the points in its favor. Complaints are price, since at $1,280 it costs more than a WEN DF480iX with more watts, and weight: Firman lists 90 lbs, and some retailers list up to 111. The 58 dB is a quarter-load figure, and owners find it louder under load. The TT-30R is a 120V outlet that does not feed a transfer switch. It carries a 3-year warranty on new units, and service comes from Arizona.

3,200 W / 4,000 W surge · up to fridge, freezer and the essentials

running: 3,200 W

Best for Camp and short-outage users who want a dual fuel 3 kW inverter with CO shutdown and are willing to pay more than WEN charges.

Full spec sheet

~$1,349

Inverter Generator · Gasoline · 65 dB

Yamaha EF2200iS

Yamaha built the EF2200iS to go head to head with the Honda EU2200i, and owners cross-shop the two every time. The pitch is the same: 1,800 watts continuous, about 55 lbs, 57 to 65 dBA depending on load, and an engine with a reputation for starting on the first or second pull after sitting. It earns its keep as a camping and short-outage generator that runs a fridge, a few lights, a router and a window unit's worth of small loads. Owner reports lean on the CO sensor, the easy carb drain that lets you run the bowl dry for storage, and the 30A RV outlet that Honda's base model lacks. Price and noise are the sore points: $1,349 list, rarely discounted, and a few owners find it louder than the Honda at full load. Twin Tech lets you link two for 3,600 watts.

1,800 W / 2,200 W surge · up to lights, phones, router, a CPAP

running: 1,800 W

Best for Campers and RVers who want a Honda-class 2 kW inverter with a built-in 30A outlet and an easy fuel-system drain for storage.

Full spec sheet Check price on Amazon

Westinghouse iGen5000DFc EFI

~$1,399

Inverter Generator · Dual Fuel (Gas/Propane) · 61 dB

Westinghouse iGen5000DFc EFI

The big Westinghouse inverter and the only one in this price class with electronic fuel injection. It makes 3,900 running and 5,000 peak watts on gasoline, 3,500 and 4,500 on propane, and the 224cc engine and 3.2 gallon steel tank give 18 hours at a quarter load on gas. That is long enough for a night of fridge, furnace and lights on one fill. The wheels, the key-fob start and the way EFI starts cleanly in cold weather without a choke dance all get good reports. Weight and noise are the complaints. Westinghouse lists it at 111 lbs on the spec sheet and 105.8 in its marketing copy, and its own noise figures disagree, so the higher 61 dBA figure is the one to plan around. The 30A outlet is TT-30R, not a 240V port, so it feeds RVs but not a 240V transfer switch. At $1,399 it undercuts the Honda EU7000iS by a wide margin but is a 4 kW unit, not a 7.

3,900 W / 5,000 W surge · up to fridge, freezer and the essentials

running: 3,900 W

Best for RV owners and outage-prone households who want 4 kW, EFI and propane on wheels at well under Honda or Yamaha prices.

Full spec sheet Check price on Amazon

Champion 201176 9000W Tri-Fuel Inverter

~$1,499

Inverter Generator · Tri Fuel (Gas/LP/NG) · 72 dB

Champion 201176 9000W Tri-Fuel Inverter

The unicorn spec generator: tri-fuel AND inverter in one machine. Hook the 201176 to your natural-gas line for unlimited runtime, and unlike every conventional tri-fuel, it feeds your house clean sub-3% THD power that's safe for furnace boards, UPSs, and electronics — through a 50-amp outlet. On gasoline it makes 7,250 running watts; NG drops it to 5,875, still enough for most homes' essentials plus a small AC. It's an open-frame design, so the 72 dBA rating is real and load-dependent — quieter than a WGen9500DF, louder than closed-case inverters. Owners report it running nearly a whole house on natural gas, with the familiar caveats: gas line and hose sizing matter, and the electric-start battery needs upkeep. CO Shield included.

7,250 W / 9,000 W surge · up to furnace blower, sump pump or a window AC

running: 7,250 W
Transfer switch: transfer-switch ready

Best for NG-connected homeowners who want unlimited-runtime backup that's actually safe for modern electronics.

Full spec sheet Check price on Amazon

Champion 8500W Dual Fuel Inverter

~$1,779

Inverter Generator · Dual Fuel (Gas/Propane) · 61 dB

Champion 8500W Dual Fuel Inverter

Champion's answer to the EU7000iS costs a third as much and adds propane capability: 7,000 running watts of closed-frame inverter power at a claimed 61 dBA from 23 feet, with both 50A and 30A 240V outlets ready for a transfer switch. One owner who test-ran it reports it handling the whole house. The CO Shield sensor and electric start round out a strong package. The trade-offs: at 214 pounds it's barely 'portable' despite never-flat wheels, and the propane derate takes running power to about 6,300 watts.

7,000 W / 8,500 W surge · up to furnace blower, sump pump or a window AC

running: 7,000 W
Transfer switch: transfer-switch ready

Best for Whole-home-essentials backup buyers who want near-Honda quiet with propane flexibility at a third the price.

Full spec sheet Check price on Amazon

Predator 9500 Inverter

~$1,999

Inverter Generator · Gasoline · 67 dB

Predator 9500 Inverter

Harbor Freight's giant-killer. The Predator 9500 delivers 7,600 running watts of closed-case inverter power — EU7000iS territory plus 2,000 extra watts — at 40% of Honda's price, and owners report the engine and inverter do the job, with clean power, 67 dBA that's dramatically quieter than open frames, electric start, ESC economy mode, and 18.5-hour runtimes. Owners run whole homes through the L14-30R and an interlock. The catch: a 90-day warranty from a company whose service model is 'bring it to the store.' Other realities: 257 lbs makes it the heaviest thing in its class, it's carbureted (store it dry), CO Secure occasionally false-trips in enclosed-ish spaces, and there's no dual-fuel option at this size.

7,600 W / 9,500 W surge · up to well pump or a small central AC

running: 7,600 W
Transfer switch: transfer-switch ready

Best for Value-driven whole-house backup buyers comparing against the EU7000iS and keeping the $3,000 difference.

Full spec sheet

DuroMax XP9500iH

~$1,999

Inverter Generator · Dual Fuel (Gas/Propane) · 61 dB

DuroMax XP9500iH

DuroMax's near-whole-house inverter gives you 240V and a 50A outlet without paying Honda EU7000iS money. It makes 7,600 running watts on gasoline and 7,200 on propane, enough for a furnace, a well pump, a fridge, a freezer and a window air conditioner at once, with a 50A port that feeds a transfer switch or an RV. The runtime, the 5-year warranty, the electric and remote start, and the way it idles down at light load all draw praise. Weight is the first complaint, since at 216 lbs it needs the wheel kit and a ramp, and noise is the second: the 61 dB figure is taken at 25% load, and owners say it is much louder at full output. It uses the DuroMax in-house engine rather than a Honda or Yamaha, and long-term durability reports are thinner than for the Japanese engines. DuroMax lists it at $2,699 and sells it for $1,999.

7,600 W / 9,500 W surge · up to well pump or a small central AC

running: 7,600 W
Transfer switch: transfer-switch ready

Best for Homeowners who want an inverter that can feed a 50A transfer switch and run a furnace and well pump, for about 60 percent less than the Honda EU7000iS.

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Honda EU3000iS

~$2,399

Inverter Generator · Gasoline · 57 dB

Honda EU3000iS

This is the Honda that people buy when the EU2200i is too small and the EU7000iS is too big and too loud. The GX200 engine and 3.4 gallon tank give nearly 7 hours at full load and almost 20 at a quarter load, so overnight fridge-and-furnace-fan coverage works on a single fill. Owners report it starting a 13,500 BTU RV air conditioner, and it handles a fridge, furnace blower, sump pump and lights during a multi-day outage. It is a 130 lb machine, though, and the people who regret it are the ones who expected to carry it; the optional wheel kit helps. The 30A outlet is a 120V locking L5-30 plug, so it feeds a 120V-only inlet but not a 240V transfer switch. Price is the other recurring complaint: it costs well over twice an equivalent dual-fuel inverter, and owners pay it for Honda's reputation and for how little maintenance it needs. Honda's own EU3200i is the cross-shop to price against it: $2,599 for 2,600 running and 3,200 surge watts at 59 lb, against this unit's 2,800 watts, 131 lb and electric start.

2,800 W / 3,000 W surge · up to fridge, freezer and the essentials

running: 2,800 W

Best for RVers and home backup users who want Honda reliability and electric start in a 3 kW class and are willing to pay roughly double a competitor's price.

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Yamaha EF3000iSEB

~$2,399

Inverter Generator · Gasoline · 61 dB

Yamaha EF3000iSEB

The big Yamaha inverter has a reputation among owners as a quiet, heavy workhorse. The iSEB adds electric start and Yamaha Boost, which senses when an air conditioner or a power tool is about to draw a startup surge and gives the engine more headroom. At 2,800 watts running it covers a furnace, a fridge, a sump pump and lights, and owners say it starts most RV air conditioners that the 2 kW class cannot. Runtime is the standout: 18.6 hours at a quarter load on 3.4 gallons. The cost is the weight. At 156 lbs it is heavy for a 3 kW inverter; the built-in wheels and parking brake handle flat ground, but lifting it into a truck is a two-person job. The 30A outlet is a 120V plug, so it does not feed a 240V transfer switch. List price runs around $2,400, a steep premium over dual-fuel 3.5 kW units.

2,800 W / 3,000 W surge · up to fridge, freezer and the essentials

running: 2,800 W

Best for RVers and homeowners who want electric start and a quiet 3 kW inverter from a maker with a long track record, and can live with 156 lbs.

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Honda EU3200i

~$2,599

Inverter Generator · Gasoline · 58 dB

Honda EU3200i

Honda's first genuinely new generator in years, and the first in this size with fuel injection — the GX130 EFI means no carburetor to gum up in storage, which eliminates the single most common failure mode in owner forums. At 59 lbs it carries like an EU2200i but delivers 2,600 running watts and a 30A locking outlet, enough to start a 13.5k BTU RV air conditioner that the smaller Honda can't touch. Owners love the concept; the execution had teething problems — Consumer Reports and retailer reviews show a visible minority of one-star reports for stalling and hard-start issues on early units. It is rated at 54-58 dB. It's expensive per watt, but it's the lightest path to real RV-AC power with EFI reliability.

2,600 W / 3,200 W surge · up to fridge, freezer and the essentials

running: 2,600 W

Best for RVers who want one light, quiet unit that starts the air conditioner and never sees carb trouble.

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Honda EU7000iS

~$4,999

Inverter Generator · Gasoline · 58 dB

Honda EU7000iS

The generator hurricane-country homeowners aspire to: fuel-injected GX390 engine, 5,500 running watts with 240V output for a transfer switch, electric start, and noise levels of 52-58 dB. The EFI matters twice — no carb maintenance, and roughly 16 hours from 5.1 gallons at quarter load. Owners who run it for a living report thousands of hours of service; Consumer Reports ranks it at the top of the class. What owners complain about: 263 pounds is a two-person or ramp job despite the wheels, the price crossed into home-standby territory (people cross-shop it against installed Generacs), it can't run on propane or NG without third-party conversion, and replacement parts are dealer-priced. If the budget survives, owners rarely regret it.

5,500 W / 7,000 W surge · up to furnace blower, sump pump or a window AC

running: 5,500 W
Transfer switch: transfer-switch ready

Best for Homeowners who want premium, quiet, transfer-switch-ready backup without a permanent install.

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