The Westinghouse WGen11500TFc is the better portable generator overall, rated 4.3 to 4.0. The Westinghouse WGen11500TFc leads on starting. The Pulsar G15KTN wins on value. The Pulsar G15KTN costs $200 less ($1,299 vs $1,499).
A large tri-fuel generator with cleaner-than-usual power for whole-home backup through a 50 A transfer switch. Best for homeowners with a natural gas line who want to run electronics safely.
Amazon $1,499A large tri-fuel generator for whole-house backup through a 50 A transfer switch at a mid-range price, though Pulsar publishes few of its specs.
Amazon $1,299Prices 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.
Each factor is scored 0-100 against the same fixed reference points for every large portable generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Westinghouse WGen11500TFc | Pulsar G15KTN |
|---|---|---|
| Overall rating | 4.3/5 | 4.0/5 |
| Value 30% | 70 $0.13 per running watt | 83 $0.11 per running watt |
| Run time 15% | 55 9.5 hours on a tank at 50% load | 50 run time not published (neutral score used) |
| Fuel options 15% | 100 gasoline, propane or natural gas | 100 gasoline, propane or natural gas |
| Home hookup 15% | 100 240 V outlet for a transfer switch | 50 outlets not stated (neutral score used) |
| CO safety 10% | 100 shuts off when carbon monoxide builds up | 50 CO shutoff not stated (neutral score used) |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Starting 5% | 100 electric start with a remote fob or app | 80 push-button electric start |
| Westinghouse WGen11500TFc | Pulsar G15KTN | |
|---|---|---|
| Output | ||
| Gasoline | 11,500 W running, 14,500 W starting | 12,000 W running, 15,000 W starting |
| Propane | 10,500 W running, 13,500 W starting | - |
| Natural gas | 9,500 W running, 12,000 W starting | - |
| Outlets | 4 × 120 V, L14-30, 14-50, USB | 2 × 120 V |
| Transfer switch ready | Yes, 240 V | - |
| Full power at 120 V | No | - |
| Total harmonic distortion | under 5% | - |
| Price per watt | $0.13 | $0.11 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline, propane, natural gas |
| Tank | 9.5 gal | - |
| Run time (gasoline) | 9.5 hr at 50% load | - |
| Run time (propane, 20 lb tank) | 7 hr | - |
| Engine | 550 cc | 550 cc |
| Noise and safety | ||
| Rated noise | 74 dBA | - |
| CO shutoff | Yes | - |
| CARB compliant | No | - |
| Build | ||
| Starting | Remote, electric and recoil | Electric and recoil |
| Wheels | Yes | - |
| Dimensions | 27.2 x 26.1 x 26.5 in | 33.7 x 24.8 x 24.6 in |
| Weight | 230 lb | 242.6 lb |
| Warranty | 3 years | 3 years |
| Released | 2023-11 | - |
