Head to head
Yamaha EF2200iS vs Westinghouse iGen5000DFc EFI
Yamaha · Inverter Generator
Yamaha EF2200iS
~$1,349
1,800 W / 2,200 W surge · up to lights, phones, router, a CPAP

Westinghouse · Inverter Generator
Westinghouse iGen5000DFc EFI
~$1,399
3,900 W / 5,000 W surge · up to fridge, freezer and the essentials
Quick takeThe Yamaha EF2200iS lists about $50 lower; the Westinghouse iGen5000DFc EFI puts out more sustained power (3,900 W); the Westinghouse iGen5000DFc EFI is quieter at 61 dB.
| Spec | Yamaha EF2200iS | Westinghouse iGen5000DFc EFI |
|---|---|---|
| Approx. price | ~$1,349 | ~$1,399 |
| Type | Inverter Generator | Inverter Generator |
| Fuel | Gasoline | Dual Fuel (Gas/Propane) |
| Running / output watts | 1,800 W | 3,900 W |
| Starting / surge watts | 2,200 W | 5,000 W |
| Battery capacity | — | — |
| Expandable to | — | — |
| Noise | 65 dB | 61 dB |
| Runtime | 10.5 hrs at 1/4 load (1.24 gal tank) | 18 hrs gasoline, 22 hrs propane at 25% load (3.2 gal tank) |
| Outlets | 2x 120V 20A duplex plus 1x 120V 30A RV outlet, 12V DC (3A), Twin Tech parallel | 1x 120V 20A duplex (5-20R), 1x 120V TT-30R, 2x USB, parallel ports |
| Fuel tank | 1.24 gal | 3.2 gal |
| Weight | 55.2 lbs | 111 lbs |
| Transfer-switch ready | No | No |
| Warranty | 3-year limited | 3-year limited, lifetime technical support |
Highlighted cell is the better figure for that row.
Owner pros and cons
Yamaha EF2200iS
- +Built-in 30A RV outlet, which the base EU2200i does not have
- +CO sensor shuts the engine down on high carbon monoxide
- +Easy carb drain makes storage straightforward
- −About $1,349 list; costs more than most 2 kW inverters
- −65 dBA at rated load, louder than Honda's published figure
- −1.24 gal tank limits runtime at heavier loads
- −No electric start
Westinghouse iGen5000DFc EFI
- +Electronic fuel injection improves cold starts and fuel economy
- +Wheels and telescoping handle
- +TT-30R plus 20A duplex and two USB ports
- −111 lbs by Westinghouse's spec sheet; its marketing copy says 105.8
- −61 dBA, and Westinghouse's own figures disagree; owners report it louder under load
- −TT-30R is 120V; no 240V outlet for a transfer switch
- −Listed as not CARB compliant