Westinghouse iGen4500

Probably the most-reviewed big portable on the internet — 24,000+ ratings averaging 4.7 — and the default r/Generator answer for 'cheap whole-house backup through an interlock.' 9,500 running watts on gasoline (8,500 on propane), a 50-amp outlet, remote-start key fob, and a 12-hour tank for around a grand is a spec sheet nothing else matches. Owners routinely run entire homes including central AC during hurricanes. It is not subtle: expect 75+ real-world dB, a 211-lb frame, and open-frame vibration. The complaint file is proportionate to the sales volume: occasional oil leaks and QC escapes out of the box, a Westinghouse support line that owners describe as slow to days-long, and carb gumming if stored wet. The current 'DFc' revision adds a CO sensor. Buy it, change the skimpy break-in oil early, and store it dry.

The r/Generator power-user pick: hook it to your home's natural gas line through a quick-connect and you have effectively unlimited runtime without storing a drop of gasoline — the practical middle ground between a portable and a $12,000 standby install. On gasoline it makes a huge 11,500 running watts; the honest math is the NG derate to 9,500 running watts, still enough for most whole homes via the 50A outlet and an interlock. Remote start, CO sensor, and a 9.5-gallon tank round it out. Owner notes: NG performance depends on your line pressure — undersized gas plumbing causes surging and hard starts, the most common complaint thread — plus it's a 230-lb beast, mid-70s dB loud, and Westinghouse support remains the weak link. Registered owners report solid 3-year warranty coverage when they persist.

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, and the review volume — thousands across Amazon, Walmart, and Camping World — is overwhelmingly positive. Owners confirm it starts 13.5k BTU RV air conditioners, sips propane for up to 21 hours on a 20-lb tank, and holds 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 that owners wish were bigger. Recurring gripes: the electric-start battery dies if you don't tend it (there's a maintenance charger port for a reason), propane output derates to 3,150 running watts, and oil changes require a slight tilt-and-funnel dance.

The cult classic of the RV world. The Predator 3500 has powered a decade of forum threads titled '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 are well-mapped: 99 lbs with no folding handle makes truck-bed loading awkward, the oil fill is tilted and messy, carb varnish after storage is the top repair thread, 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.

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 or DELTA Pro power station, it auto-starts itself when the battery drops below a threshold you set in the app, charges via high-efficiency DC (skipping the AC conversion loss), 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 sentiment: brilliant inside the ecosystem, mediocre outside it — 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.

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. Owners use it for camping, tailgates, and charging batteries off-grid, and reviews are broadly positive about starting behavior and the extra headroom that runs a small AC or space heater the Honda can't. What the threads flag: Generac doesn't publish a noise spec — owners measure it audibly louder than the Honda, especially outside eco mode; eco mode can hunt/surge with cycling loads like fridges; the 1-gallon tank is small; and while the 3-year warranty is real, portable warranty service goes through Generac's dealer network, which prioritizes standby customers. A rational value pick if ultimate quiet isn't the goal.