Honda EU7000iS vs Westinghouse iGen4500

The Honda EU7000iS is the more powerful unit: 5,500 running watts against 3,700 — about 33% more capacity for the Honda EU7000iS.

Honda EU7000iS Westinghouse iGen4500
Type inverter inverter
Fuel gasoline gasoline
Running watts (gas / LP for standby) 5500 W 3700 W
Starting watts (gas) 7000 W 4500 W
Noise level 52 dBA 52 dBA
Runtime at 25% load (gas) 16 h 18 h
Fuel tank 5.1 gal 3.4 gal
Output voltage 120/240V 120V
Transfer-switch-ready outlet 30 A
Outlets TT-30R, 2x 5-20R, 2x USB
Start type electric remote electric
CO safety shutoff Yes
Parallel capable Yes
CARB compliant Yes
Engine Honda GX390 EFI
Engine displacement 389 cc 224 cc
Weight 263.2 lb 104.7 lb
Warranty 3 yr

Frequently asked questions

Which is more powerful, the Honda EU7000iS or the Westinghouse iGen4500?

The Honda EU7000iS, at 5,500 running watts on its best fuel versus 3,700 W. Remember that dual-fuel and natural-gas ratings are lower than gasoline ratings — the comparison table shows the published per-fuel figures.

Where do these specifications come from?

Every record on BackupAtlas is hand-curated from manufacturer documentation and spec sheets, and each generator page links to its source document.