A 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 $1,299The Pulsar G15KTN is the better portable generator overall, rated 4.0 to 3.9. The Pulsar G15KTN leads on value. The Westinghouse WGen20000TFc wins on starting. The Pulsar G15KTN costs $2,600 less ($1,299 vs $3,899).
A huge tri-fuel generator that can back up a large home in full, wired in by an electrician or through two 50 A outlets. For buyers who want standby-generator output without a permanent install.
Amazon $3,899Prices 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 Pulsar G15KTN for value ($0.11 per running watt vs $0.19 per running watt).
- Choose the Westinghouse WGen20000TFc for 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 portable generator; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pulsar G15KTN | Westinghouse WGen20000TFc |
|---|---|---|
| Overall rating | 4.0/5 | 3.9/5 |
| Value 30% | 83 $0.11 per running watt | 32 $0.19 per running watt |
| Run time 15% | 50 run time not published (neutral score used) | 40 8 hours on a tank at 50% load |
| Fuel options 15% | 100 gasoline, propane or natural gas | 100 gasoline, propane or natural gas |
| Home hookup 15% | 50 outlets not stated (neutral score used) | 100 240 V outlet for a transfer switch |
| CO safety 10% | 50 CO shutoff not stated (neutral score used) | 100 shuts off when carbon monoxide builds up |
| Warranty 10% | 67 3-year warranty | 67 3-year warranty |
| Starting 5% | 80 push-button electric start | 100 electric start with a remote fob or app |
Specifications
| Pulsar G15KTN | Westinghouse WGen20000TFc | |
|---|---|---|
| Output | ||
| Gasoline | 12,000 W running, 15,000 W starting | 20,000 W running, 28,000 W starting |
| Propane | - | 18,000 W running, 25,200 W starting |
| Natural gas | - | 16,000 W running, 22,400 W starting |
| Outlets | 2 × 120 V | 4 × 120 V, L5-30, L14-30, 14-50 |
| Transfer switch ready | - | Yes, 240 V |
| Full power at 120 V | - | No |
| Total harmonic distortion | - | under 5% |
| Price per watt | $0.11 | $0.19 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline, propane, natural gas |
| Tank | - | 17.2 gal |
| Run time (gasoline) | - | 8 hr at 50% load |
| Engine | 550 cc | 999 cc |
| Noise and safety | ||
| Rated noise | - | 74 dBA |
| CO shutoff | - | Yes |
| CARB compliant | - | No |
| Build | ||
| Starting | Electric and recoil | Remote, electric and recoil |
| Wheels | - | Yes |
| Dimensions | 33.7 x 24.8 x 24.6 in | 38 x 35 x 40.4 in |
| Weight | 242.6 lb | 557 lb |
| Warranty | 3 years | 3 years |
| Released | - | 2024-06 |
