Westinghouse iGen4500 vs Champion 4500W Dual Fuel Inverter
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Quick take: The Champion 4500W Dual Fuel Inverter costs $26 less; the Westinghouse iGen4500 puts out more sustained power (3,700W); the Westinghouse iGen4500 is quieter at 52 dB.
| Spec | Westinghouse iGen4500 | Champion 4500W Dual Fuel Inverter |
|---|---|---|
| Price | $849 | $823 |
| Rating | 4.7★ (6,500) | 4.7★ (6,200) |
| Type | Inverter Generator | Inverter Generator |
| Fuel | Gasoline | Dual Fuel (Gas/Propane) |
| Running / Output Watts | 3,700W | 3,500W |
| Starting / Surge Watts | 4,500W | 4,500W |
| Battery Capacity | — | — |
| Expandable To | — | — |
| Noise | 52 dB | 61 dB |
| Runtime | up to 18 hrs @ 25% load (3.4 gal) | 14 hrs @ 25% load (2.3 gal gas); up to 21 hrs on 20-lb propane |
| Outlets | 1x 120V 30A RV (TT-30R), 2x 120V 20A (5-20R), 2x USB | 1x 120V 30A RV (TT-30R), 2x 120V 20A (5-20R), 12V DC |
| Fuel Tank | 3.4 gal | 2.3 gal |
| Weight | 98 lbs | 103 lbs |
| Transfer-switch ready | No | No |
| Warranty | 3-year limited | 3-year limited |
Pros & cons
Westinghouse iGen4500
- ✓52 dB quarter-load noise embarrasses similarly priced open frames
- ✓18-hour economy runtime on 3.4 gallons
- ✓Starts most 15k BTU RV air conditioners
- ✓Telescoping handle and suitcase form factor roll easily
- ✓Display shows load, fuel, and remaining runtime
- ✓Remote-start fob works from inside the rig
- ✗Carb gumming after storage is the dominant owner complaint
- ✗Small rear wheels struggle on gravel and grass
- ✗No 240V and not transfer-switch friendly
- ✗Westinghouse parts and support can take days to weeks
- ✗98 lbs is heavy for one person to lift into a truck bed
Champion 4500W Dual Fuel Inverter
- ✓Starts 13.5k BTU RV ACs reliably per thousands of owner reports
- ✓Propane option stores indefinitely — no stale-gas worries
- ✓Electric start with cold-start tech works in freezing weather
- ✓Clean <3% THD power safe for electronics
- ✓21-hour propane runtime on a standard grill tank
- ✓3-year warranty plus lifetime free tech support
- ✗61 dB is noticeably louder than Honda/Westinghouse rivals
- ✗Start battery discharges if not maintained between uses
- ✗Propane derates output about 10%
- ✗Small hard wheels struggle on gravel and grass
- ✗No 240V output

