DuroMax XP15000HXT
#17 in LargeFull review
A very large tri-fuel generator for whole-house backup through a 50 A transfer switch, with a big tank for long runs on gasoline between refills.
DuroMax $2,599$2,599
The DuroMax XP15000HXT is the better portable generator overall, rated 4.1 to 4.0. The DuroMax XP15000HXT leads on warranty and starting. The Pulsar G15KTN wins on value. The Pulsar G15KTN costs $1,300 less ($1,299 vs $2,599).
Pulsar G15KTN
#20 in LargeFull review
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 $1,299$1,299
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 DuroMax XP15000HXT for warranty (5-year warranty vs 3-year warranty) and starting (electric start with a remote fob or app vs push-button electric start).
- Choose the Pulsar G15KTN for value ($0.11 per running watt vs $0.22 per running watt).
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 | DuroMax XP15000HXT | Pulsar G15KTN |
|---|---|---|
| Overall rating | 4.1/5 | 4.0/5 |
| Value 30% | 20 $0.22 per running watt | 83 $0.11 per running watt |
| Run time 15% | 80 12 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% | 100 5-year warranty | 67 3-year warranty |
| Starting 5% | 100 electric start with a remote fob or app | 80 push-button electric start |
Specifications
| DuroMax XP15000HXT | Pulsar G15KTN | |
|---|---|---|
| Output | ||
| Gasoline | 12,000 W running, 15,000 W starting | 12,000 W running, 15,000 W starting |
| Propane | 11,400 W running, 14,250 W starting | - |
| Natural gas | 10,260 W running, 12,825 W starting | - |
| Outlets | 10 × 120 V, L5-30, L14-30, 14-50 | 2 × 120 V |
| Transfer switch ready | Yes, 240 V | - |
| Total harmonic distortion | under 5% | - |
| Price per watt | $0.22 | $0.11 |
| Fuel and run time | ||
| Fuel | Gasoline, propane, natural gas | Gasoline, propane, natural gas |
| Tank | 13.2 gal | - |
| Run time (gasoline) | 12 hr at 50% load | - |
| Engine | 670 cc | 550 cc |
| Noise and safety | ||
| Rated noise | 78 dBA | - |
| CO shutoff | Yes | - |
| CARB compliant | No | - |
| Build | ||
| Starting | Remote, electric and recoil | Electric and recoil |
| Wheels | Yes | - |
| Dimensions | 36 x 33.2 x 32 in | 33.7 x 24.8 x 24.6 in |
| Weight | 362 lb | 242.6 lb |
| Warranty | 5 years | 3 years |
| Released | 2023-09 | - |