The Best Inverter Generators
Verified by
Ryan V. Editor-in-Chief
When you purchase through links on our site, we may earn an affiliate commission.
The Predator 11,500W Tri-Fuel earns Best Overall because it does the hardest job in this category, true whole-home backup, without the noise or the price tag you would expect. Outdoor Prepper measured it at a mere 62 dBA in eco mode from about 18 feet away, climbing to only 68 to 69 dBA with eco off, which he pointed out is roughly as quiet as many 5,000W units a fraction of its size. That quiet comes from a fully enclosed suitcase design packed with sound-deadening foam, a case that The Den of Tools also notes looks far less inviting to thieves than an open frame.


Capability is the other half of the story. The front-mounted dial switches cleanly between gasoline, propane, and natural gas, so you can hook it straight to a home natural gas line and stop worrying about storing fuel. Outdoor Prepper highlights the 30A and 50A receptacles that connect directly to a transfer switch, and the 9,000 running watts on gas comfortably carry a well pump, refrigerator, and heating at the same time. Reviewers repeatedly framed it as a machine that rivals a permanent standby system for around $2,100 out the door.
Harbor Freight also fixed the maintenance complaints that dogged earlier models. Outdoor Prepper singles out the new pull-out oil-drain hose that ends the messy oil changes these generators were known for. Add remote and electric start, CO shutoff, and a genuinely refined build, and the Predator stands out as the most generator you can buy for the money when the power goes out.
What It Won't Do
The weight is the honest dealbreaker for some buyers. At 259 lbs this is a two-person machine, and Outdoor Prepper flatly says there is a zero percent chance you move it on your own, recommending a dolly just to get it out of a truck. The base warranty is also short at 90 days, so The Den of Tools advises buying the extended plan, and the oil-fill port sits in an awkward spot that forces you to the ground to check the level.
The WEN DF360iX proves you do not need to spend four figures to keep the lights on. It sells consistently under $650, yet JOHNNY'S WEEKENDS confirmed it has the starting muscle to fire up and run a 15,000 BTU RV air conditioner for about 4.5 hours on its 1.5-gallon tank. For camping, tailgating, or running a few essentials during a short outage, that is exactly the job most people actually need a generator to do.


What sets it apart at this price is how easy it is to live with. At just under 50 lbs it was the lightest unit in JOHNNY'S small-inverter shootout, light enough to carry with one hand into a truck bed. He also found it starts noticeably easier on propane than its direct Champion competitors, which matters because running propane sidesteps the clogged-carburetor headaches that stale gasoline causes. Dual-fuel flexibility plus a full 3-year warranty, at a price that regularly dips under $650, is why it takes Best Value.
What It Won't Do
It is the loudest of the small suitcase inverters JOHNNY'S WEEKENDS tested, measuring about 67 dBA on concrete at just 25 percent load because its engine spins at a higher 4,000 RPM. It is also fully analog with no digital display or hour meter, and its 2,900 running watts cannot start two large air conditioners at once.
Who Should Buy Which
Predator 11,500W Tri-Fuel Super Quiet Inverter Generator
Whole-home tri-fuel power that stays shockingly quiet for its size
- Homeowners who want real whole-home backup they can wire to a transfer switch
- Anyone who values tri-fuel flexibility, especially a fixed natural gas hookup
- Buyers who need to run heavy loads like a well pump and furnace at the same time
- People who want standby-level power but cannot justify a permanent installation
- Those who have a permanent spot for a heavy unit and will add the extended warranty
WEN DF360iX 3600W Dual Fuel Inverter Generator
Fifty pounds of RV-ready backup power for under $650
- RVers who need to start and run a single 15K air conditioner
- Campers and tailgaters who prize a one-person, 50 lb carry weight
- Budget buyers who want capable backup for under $650
- Anyone who prefers running clean propane to avoid carburetor gumming
- Households that only need a few essentials powered during short outages