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

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Westinghouse iGen5000DFc EFI

Westinghouse · Inverter Generator

Westinghouse iGen5000DFc EFI

~$1,399

3,900 W / 5,000 W surge · up to fridge, freezer and the essentials

Check price on Amazon

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.

SpecYamaha EF2200iSWestinghouse iGen5000DFc EFI
Approx. price~$1,349~$1,399
TypeInverter GeneratorInverter Generator
FuelGasolineDual Fuel (Gas/Propane)
Running / output watts1,800 W3,900 W
Starting / surge watts2,200 W5,000 W
Battery capacity——
Expandable to——
Noise65 dB61 dB
Runtime10.5 hrs at 1/4 load (1.24 gal tank)18 hrs gasoline, 22 hrs propane at 25% load (3.2 gal tank)
Outlets2x 120V 20A duplex plus 1x 120V 30A RV outlet, 12V DC (3A), Twin Tech parallel1x 120V 20A duplex (5-20R), 1x 120V TT-30R, 2x USB, parallel ports
Fuel tank1.24 gal3.2 gal
Weight55.2 lbs111 lbs
Transfer-switch readyNoNo
Warranty3-year limited3-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