DuroMax XP12000EH
#19 in LargeFull review
A large dual-fuel generator for running most of a house through a 50 A transfer switch, sold at a low price per watt.
Amazon $1,299$1,299
4.0/5
A very large tri-fuel generator for running a whole house, central air included, through a 50 A transfer switch. Best for homeowners with a natural gas line who want standby-like power without a permanent install.
- 14,500 / 18,000 WRunning / starting
- Gasoline, propane, natural gasFuel
- 9 hr at 50% loadRun time
- Yes, 240 VTransfer switch
- 348.3 lbWeight
- $0.19Price / W
Check price at Amazon$2,699
Price checked October 28, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Enough power to run a whole house, including central air, through a 50 A transfer switch
- Runs on gasoline, propane or a natural gas line for outages that last days
- Under 5% THD, clean enough for computers and TVs
- Starts with a push button or the included remote key fob
- Shuts itself off if carbon monoxide builds up nearby
Cons
- Nearly 350 lb, more a wheeled standby than a portable
- Only about 4 hours on a 20 lb propane tank at half load
- Not CARB compliant, so it cannot be sold in California
The Westinghouse WGen V-Twin family
Every Westinghouse WGen V-Twin model we rank, smallest first. Ratings compare each against its own size.
| Model | Running / starting | Rating | Price |
|---|---|---|---|
| Westinghouse WGen14500TFc (this one) | 14,500 / 18,000 W | 4.0/5 | $2,699 |
| Westinghouse WGen20000TFc | 20,000 / 28,000 W | 3.9/5 | $3,899 |
How it scores
The rating comes from 7 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | WGen14500TFc (part 12027) |
|---|---|
| Output | |
| Gasoline | 14,500 W running, 18,000 W starting |
| Propane | 13,000 W running, 16,000 W starting |
| Natural gas | 11,600 W running, 14,400 W starting |
| Outlets | 4 × 120 V, L5-30, L14-30, 14-50, USB |
| Transfer switch ready | Yes, 240 V |
| Full power at 120 V | No |
| Total harmonic distortion | under 5% |
| Price per watt | $0.19 |
| Fuel and run time | |
| Fuel | Gasoline, propane, natural gas |
| Tank | 10.5 gal |
| Run time (gasoline) | 9 hr at 50% load |
| Run time (propane, 20 lb tank) | 4 hr |
| Engine | 713 cc |
| Noise and safety | |
| Rated noise | 74 dBA |
| CO shutoff | Yes |
| CARB compliant | No |
| Build | |
| Starting | Remote, electric and recoil |
| Wheels | Yes |
| Dimensions | 30.3 x 34.9 x 34.3 in |
| Weight | 348.3 lb |
| Warranty | 3 years |
| Released | 2024-06 |
Alternatives in this size
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
Westinghouse WGen9500DF
#22 in LargeFull review
A large dual-fuel generator for whole-home backup through a 50 A or 30 A transfer switch. Worth it only at a clear discount to the newer CO-sensor models, since it lacks CO shutoff.
Amazon $999$999
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