Westinghouse WGen11500TFc Tri-Fuel

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 RV community's favorite non-Honda: 3,700 running watts, a genuine 52 dB at quarter load, a telescoping suitcase handle, and an 18-hour economy-mode runtime that owners verify on long weekends. The digital display with remaining-runtime readout and the remote-start fob are the features people mention unprompted, and at half the cost of Honda's discontinued EU3000 it became the default. It starts most 15k BTU RV ACs, though owners at altitude or in high heat add a soft-starter to be safe. Grievances from long-term threads: the rear wheels are small for gravel campgrounds, the recoil backup start is awkwardly placed, carb gumming after storage is the top reliability complaint (fuel shutoff use is essential), and Westinghouse's parts/support pipeline can be slow. The DF dual-fuel variant had a fuel-filter leak recall in 2020 — this gas model wasn't affected.

The 'Beast': 13,000 starting watts, a 500cc V-twin, all-metal construction, and a 50-amp outlet for around $1,300 makes this the biggest-hammer option in portable backup. Owners with heat pumps and well pumps buy it specifically because the MX2 switch lets you dedicate full power to 120V or split 120/240V, and thousands of reviews confirm it starts loads that stall 8kW units. DuroMax support actually gets better marks than Westinghouse's in forum comparisons. What the fans concede: it's LOUD (mid-to-high 70s dB real world), 234 lbs of steel, drinks propane fast (about 3 hours on a grill tank), and its non-inverter power has high enough THD that owners with sensitive electronics run a UPS or interlock only non-critical circuits. Fit-and-finish complaints — sticky chokes, cheap petcocks — appear but are usually solved with basic wrenching.

The Costco tri-fuel that made natural-gas backup a thousand-dollar proposition. The T07571 runs 7,500 watts on gasoline, 6,750 on propane, and 5,500 on natural gas, ships with both LP and NG hoses in the box, and has a 50-amp outlet — which is why r/Generator treats it as the default budget answer to 'I want to hook a portable to my gas meter.' Owners praise the honest hardware: electric start, 8-gallon tank, sturdy 213-lb frame, and a 3-year warranty that beats Predator's 90 days. The recurring complaints: Firman customer service is slow — weeks-long waits for warranty parts are the most common thread — NG output is a real 27% derate, it's a loud 74 dB open frame, and low NG line pressure causes surging just like every NG portable. Costco's return policy is frequently cited as the real warranty.

The big-box storm generator: when a hurricane is three days out, this is what's stacked on pallets at Home Depot, and that availability is genuinely part of its value. 8,000 running watts, 10,000 starting via PowerRush, electric start, COsense shutdown, and an L14-30R for interlock feeding — a complete storm kit under $1,000 from a brand every service shop knows. Owner reports are solid on power delivery: it carries fridges, window ACs, well pumps, and furnace blowers simultaneously. The honest ledger: it's an open-frame roarer (Generac publishes no dB figure; owners report it's loud), non-inverter power means owners keep sensitive electronics on a UPS, it's gasoline-only with a thirsty 420cc engine, and Generac portables were hit by recalls (2022 handle pinch; an April 2026 carburetor fuel-leak recall on certain GP units) — check your serial. Runs forever with oil changes, per multi-year owners.

One of the best-selling generators ever made, and the archetype of the 'good enough for everything' budget dual fuel. Electric start, RV-ready TT-30R outlet, propane capability out of the box, and nearly a decade of owner history at around $550 — the review count across Amazon and Walmart is enormous and consistently positive. Owners run travel trailers, job sites, and essential-circuit extension-cord backup, and the 224cc engine has a reputation for starting after years of neglect (on propane especially, since there's no carb to gum). Known quirks from the threads: it's a 68 dB droner that campground quiet hours won't love, output on propane drops about 10%, there's no 240V so interlock users look elsewhere, the fuel selector and petcock feel plasticky, and cold-weather propane starts sometimes need a second try. Champion's phone support gets rare-for-the-industry praise.