Westinghouse iGen8200TFc
#1 in LargeFull review
A tri-fuel inverter for home backup through a transfer switch, with clean power and a 50 A outlet. Natural gas hookup makes it a strong pick for long outages.
Amazon $1,399$1,399
The Westinghouse iGen8200TFc is the better inverter generator overall, rated 4.3 to 4.1. The Westinghouse iGen8200TFc leads on fuel options. The Westinghouse iGen12000DFc wins on run time. The Westinghouse iGen8200TFc costs $500 less ($1,399 vs $1,899).
Westinghouse iGen12000DFc
#3 in LargeFull review
A large dual-fuel inverter for whole-home backup with clean power and long run time. Best for homeowners with a transfer switch who want inverter quiet at open-frame output.
Amazon $1,899$1,899
Prices were last checked October 22, 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 iGen8200TFc for fuel options (gasoline, propane or natural gas vs gasoline or propane).
- Choose the Westinghouse iGen12000DFc for run time (19 hours on a tank at 25% load vs 17 hours on a tank at 25% load).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large inverter generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Westinghouse iGen8200TFc | Westinghouse iGen12000DFc |
|---|---|---|
| Overall rating | 4.3/5 | 4.1/5 |
| Value 30% | 76 $0.21 per running watt | 76 $0.21 per running watt |
| Quiet 20% | 75 60 dBA at light load, maker rating | 50 64 dBA at light load, maker rating |
| Run time 15% | 79 17 hours on a tank at 25% load | 93 19 hours on a tank at 25% load |
| Fuel options 10% | 100 gasoline, propane or natural gas | 70 gasoline or propane |
| 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 | 100 electric start with a remote fob or app |
Specifications
| Westinghouse iGen8200TFc | Westinghouse iGen12000DFc | |
|---|---|---|
| Output | ||
| Gasoline | 6,600 W running, 8,200 W starting | 9,000 W running, 12,000 W starting |
| Propane | 5,940 W running, 7,380 W starting | 8,100 W running, 11,000 W starting |
| Natural gas | 5,280 W running | - |
| Outlets | 2 × 120 V, TT-30 (RV) | 2 × 120 V, L14-30 |
| Parallel capable | Yes | Yes |
| Total harmonic distortion | under 3% | under 3% |
| Price per watt | $0.21 | $0.21 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline, propane |
| Tank | 3.9 gal | 7.9 gal |
| Run time (gasoline) | 17 hr at 25% load | 19 hr at 25% load |
| Run time (propane, 20 lb tank) | 9.8 hr | 9 hr |
| Engine | 298 cc | 457 cc |
| Noise and safety | ||
| Rated noise (light load) | 60 dBA | 64 dBA |
| CO shutoff | Yes | Yes |
| CARB compliant | No | No |
| Build | ||
| Starting | Remote, electric and recoil | Remote, electric and recoil |
| App | No | No |
| Wheels | Yes | Yes |
| Dimensions | 27.0 x 20.9 x 21.7 in | 30.2 x 25.2 x 26.6 in |
| Weight | 134.5 lb | 189 lb |
| Warranty | 3 years | 3 years |