← All comparisons
Find your exact wattage in the calculator →
DuroMax XP12000EH Dual Fuel vs. Generac Guardian 22kW Standby
| DuroMax XP12000EH Dual Fuel | Generac Guardian 22kW Standby | |
|---|---|---|
| Running watts | 9,500 W | 22,000 W |
| Starting watts | 12,000 W | 22,000 W |
| On propane | 9,025 W run · 11,400 W start | — |
| Type | Open frame | Home standby |
| Fuel | Dual fuel (gas + propane) | Propane / natural gas |
| Noise (mfr figure) | — | — |
| Weight | 224 lb | — |
| Fuel tank | 8.3 gal | — |
| Runtime (mfr claim) | ~8.8 h on gasoline at 50% load | — |
| Outlets | Two 20A 125V GFCI, L14-30R (transfer switch), 14-50R (240V/50A), 120/240V switchable | Hardwired via automatic transfer switch |
| Start | Electric | Electric |
| CO shutoff | Check listing | Check listing |
| Approx. price | ~$1,400 | ~$5,700 |
Dashes mean the manufacturer doesn't publish that figure. Wattages are gasoline ratings. Prices are typical street prices — check current listings.
What the spec sheet actually says
- The Generac Guardian 22kW Standby gives you 12,500 more running watts for about $4,300 more.
- Only the DuroMax XP12000EH Dual Fuel runs on propane as well as gasoline — worth real money if you want shelf-stable stored fuel for outages.
- They're different classes: open frame vs home standby — the inverter class runs quieter and makes cleaner power; open-frame buys more watts per dollar.
DuroMax XP12000EH Dual Fuel
Full review →Generac Guardian 22kW Standby
Full review →