WEN TF1050iX
#5 in LargeFull review
A tri-fuel home-backup inverter that can sit on natural gas indefinitely. Good for a transfer switch or a 50 A RV.
WEN $1,649$1,649
The WEN TF1050iX is the better inverter generator overall, rated 3.9 to 3.7. The WEN TF1050iX leads on fuel options. The Champion 11000W Wireless Start Inverter wins on run time and starting. The WEN TF1050iX costs $250 less ($1,649 vs $1,899).
Champion 11000W Wireless Start Inverter
#8 in LargeFull review
A quiet, large inverter for whole-house backup or a 50 A RV when you want enclosed-inverter noise levels. Gas only, so plan fuel storage.
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 WEN TF1050iX for fuel options (gasoline, propane or natural gas vs gasoline only).
- Choose the Champion 11000W Wireless Start Inverter for run time (15 hours on a tank at 25% load vs 13.8 hours on a tank at 25% load (scaled from 50%)) and starting (electric start with a remote fob or app vs push-button electric start).
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 | WEN TF1050iX | Champion 11000W Wireless Start Inverter |
|---|---|---|
| Overall rating | 3.9/5 | 3.7/5 |
| Value 30% | 81 $0.19 per running watt | 76 $0.21 per running watt |
| Quiet 20% | 38 66 dBA at light load, maker rating | 50 64 dBA at light load, maker rating |
| Run time 15% | 56 13.8 hours on a tank at 25% load (scaled from 50%) | 64 15 hours on a tank at 25% load |
| Fuel options 10% | 100 gasoline, propane or natural gas | 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% | 80 push-button electric start | 100 electric start with a remote fob or app |
Specifications
| WEN TF1050iX | Champion 11000W Wireless Start Inverter | |
|---|---|---|
| Output | ||
| Gasoline | 8,550 W running, 10,500 W starting | 9,000 W running, 11,000 W starting |
| Propane | 8,550 W running, 9,450 W starting | - |
| Natural gas | 7,700 W running | - |
| Outlets | 2 × 120 V, L14-30, USB | 4 × 120 V, L14-30 |
| Parallel capable | Yes | No |
| Total harmonic distortion | under 1.2% | under 3% |
| Price per watt | $0.19 | $0.21 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline |
| Tank | 7.1 gal | 6.1 gal |
| Run time (gasoline) | 10.5 hr at 50% load | 15 hr at 25% load |
| Run time (propane, 20 lb tank) | 5.8 hr | - |
| Engine | 457 cc | 459 cc |
| Noise and safety | ||
| Rated noise (light load) | 66 dBA | 64 dBA |
| CO shutoff | Yes | Yes |
| Build | ||
| Starting | Electric and recoil | Remote, electric and recoil |
| App | No | No |
| Wheels | Yes | Yes |
| Dimensions | 30.1 x 26.3 x 28.8 in | 28.3 x 28.8 x 27.5 in |
| Weight | 209.4 lb | 200 lb |
| Warranty | 3 years | 3 years |