Head to head
Firman H08051 Dual Fuel 8000W vs Westinghouse WGen11500TFc Tri-Fuel
Firman · Portable Generator
Firman H08051 Dual Fuel 8000W
~$1,400
8,000 W / 10,000 W surge · up to well pump or a small central AC
Westinghouse · Portable Generator
Westinghouse WGen11500TFc Tri-Fuel
~$1,699
11,500 W / 14,500 W surge · up to well pump or a small central AC
Quick takeThe Firman H08051 Dual Fuel 8000W lists about $299 lower; the Westinghouse WGen11500TFc Tri-Fuel puts out more sustained power (11,500 W).
| Spec | Firman H08051 Dual Fuel 8000W | Westinghouse WGen11500TFc Tri-Fuel |
|---|---|---|
| Approx. price | ~$1,400 | ~$1,699 |
| Type | Portable Generator | Portable Generator |
| Fuel | Dual Fuel (Gas/Propane) | Tri Fuel (Gas/LP/NG) |
| Running / output watts | 8,000 W | 11,500 W |
| Starting / surge watts | 10,000 W | 14,500 W |
| Battery capacity | — | — |
| Expandable to | — | — |
| Noise | 74 dB | 74 dB |
| Runtime | Up to 12 hrs at 50% load on 8 gal (gasoline); 7,250 W running on propane | 19 hrs @ 25% load (9.5 gal gas); ~7 hrs @ 50% on 20-lb propane; unlimited on NG hookup |
| Outlets | 1x 120V 20A GFCI (5-20R duplex), 1x 120V 30A (L5-30R), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R) | 2x 120V 20A duplex (5-20R), 1x 120/240V 30A (L14-30R), 1x 120/240V 50A (14-50R), 2x USB |
| Fuel tank | 8 gal | 9.5 gal |
| Weight | 212 lbs | 230 lbs |
| Transfer-switch ready | Yes | Yes |
| Warranty | 3-year | 3-year limited |
Highlighted cell is the better figure for that row.
Owner pros and cons
Firman H08051 Dual Fuel 8000W
- +14-50R and L14-30R on the same panel
- +Electric and recoil start
- +Propane regulator included, with a hose holder
- −No CO alert listed, unlike the H08052 variant
- −Only 7,250 W when running on propane
- −212 lbs and 74 dB at a quarter load, louder once appliances are running
Westinghouse WGen11500TFc Tri-Fuel
- +Natural-gas hookup eliminates fuel storage and refueling runs
- +Massive output covers whole homes including central AC
- +Remote start plus push-button electric start
- +50A and 30A 240V outlets for any interlock/transfer setup
- +19-hour gasoline runtime when NG isn't available
- +CO sensor shutdown for safer semi-sheltered running
- −NG output drops to 9,500 running watts
- −Needs an adequately sized NG supply, and some units sputter or won't start on NG
- −230 lbs is genuinely hard to maneuver
- −Loud mid-70s dB under load
- −Support and parts turnaround can be slow