Westinghouse iGen5000DFc
#1 in Mid-sizeFull review
A mid-size dual-fuel generator that can run a 30 A RV or a house’s essentials all night on one tank. Good for buyers who want long run time and remote start.
Amazon $999$999
The Westinghouse iGen5000DFc is the better inverter generator overall, rated 4.4 to 3.3. The Westinghouse iGen5000DFc leads on fuel options, run time and starting. The Champion 5500W Open Frame CARB wins on value. The Champion 5500W Open Frame CARB costs $300 less ($699 vs $999).
Champion 5500W Open Frame CARB
#14 in Mid-sizeFull review
A gas-only open-frame inverter for California RV owners who want clean power for a 30 A RV at a low price per watt.
Amazon $699$699
Prices were last checked October 28, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Westinghouse iGen5000DFc for fuel options (gasoline or propane vs gasoline only), run time (18 hours on a tank at 25% load vs 13 hours on a tank at 25% load) and starting (electric start with a remote fob or app vs pull start only).
- Choose the Champion 5500W Open Frame CARB for value ($0.17 per running watt vs $0.26 per running watt).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Westinghouse iGen5000DFc | Champion 5500W Open Frame CARB |
|---|---|---|
| Overall rating | 4.4/5 | 3.3/5 |
| Value 30% | 73 $0.26 per running watt | 94 $0.17 per running watt |
| Quiet 20% | 88 52 dBA at light load, maker rating | 0 70 dBA at light load, maker rating |
| Run time 15% | 100 18 hours on a tank at 25% load | 58 13 hours on a tank at 25% load |
| Fuel options 10% | 70 gasoline or propane | 0 gasoline only |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 50 3-year warranty | 50 3-year warranty |
| Starting 5% | 100 electric start with a remote fob or app | 0 pull start only |
Specifications
| Westinghouse iGen5000DFc | Champion 5500W Open Frame CARB | |
|---|---|---|
| Output | ||
| Gasoline | 3,900 W running, 5,000 W starting | 4,000 W running, 5,500 W starting |
| Propane | 3,500 W running, 4,500 W starting | - |
| Outlets | 2 × 120 V, TT-30 (RV), USB | 2 × 120 V, TT-30 (RV) |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | - |
| Price per watt | $0.26 | $0.17 |
| Fuel and run time | ||
| Fuel | Gasoline, propane | Gasoline |
| Tank | 3.4 gal | 2.9 gal |
| Run time (gasoline) | 18 hr at 25% load | 13 hr at 25% load |
| Run time (propane, 20 lb tank) | 22 hr | - |
| Engine | 224 cc | 224 cc |
| Noise and safety | ||
| Rated noise (light load) | 52 dBA | 70 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | Yes |
| Build | ||
| Starting | Remote, electric and recoil | Recoil (pull) |
| App | No | No |
| Wheels | Yes | No |
| Dimensions | 24.5 x 17.5 x 20 in | 21.3 x 17.9 x 17.9 in |
| Weight | 105.8 lb | 81.6 lb |
| Warranty | 3 years | 3 years |
| Released | 2022-09 | 2026-06 |