
DuroMax XP11000iH vs Westinghouse iGen11000DFc
Both deliver 9000 running watts dual-fuel inverter power. DuroMax is quieter with a 5-year warranty, Westinghouse is lighter with longer 50% runtime.
- DuroMax XP11000iH
- Westinghouse iGen11000DFc
Comparison Overview
Warranty and day-to-day livability are the biggest separators here. The DuroMax XP11000iH backs its 9000 running watts and 11000 starting watts with a 5-year warranty and runs a bit quieter at 61 dB, which matters if it will sit near a house or neighbors during an outage.
The Westinghouse iGen11000DFc matches the same 9000 running watts and 11000 starting watts in a dual-fuel inverter package, but leans toward easier handling and longer mid-load endurance. It weighs 187.4 lb versus 216 lb for the DuroMax, and at 50% load it’s rated for 12 hours versus 9 hours, a meaningful difference for overnight home backup.
At lighter loads, they’re close, 17 hours (Westinghouse) versus 18 hours (DuroMax) at 25% load, while noise favors DuroMax and weight plus 50% runtime favors Westinghouse. Pick the DuroMax if warranty length and slightly lower noise matter most, or the Westinghouse if you want a lighter unit that can run longer at typical household loads.
Key takeaways
- Both deliver 9000 running watts and 11000 starting watts, dual-fuel inverter power.
- DuroMax XP11000iH runs quieter at 61 dB and includes a 5-year warranty.
- Westinghouse iGen11000DFc is lighter at 187.4 lb versus 216 lb for DuroMax.
- Westinghouse iGen11000DFc lasts 12 hours at 50% load, DuroMax is rated 9 hours.
- At 25% load, DuroMax is rated 18 hours, Westinghouse is rated 17 hours.
Best use cases
Choose the DuroMax XP11000iH if you want a little more peace and quiet and you value long-term coverage. At 61 dB, it’s the better fit for suburban home backup where the generator may run for hours near bedrooms or close neighbors. The 5-year warranty is also a strong match for buyers who plan to keep a generator for many seasons and want extra reassurance. With 9000 running watts and 11000 starting watts, it can handle demanding starts (like well pumps or larger HVAC components) as long as your transfer setup and load management are appropriate. The tradeoff is portability, at 216 lb it is more of a roll-into-place generator than something you’ll want to move often.
Choose the Westinghouse iGen11000DFc if you expect to reposition the generator more frequently or you care most about longer run time at everyday loads. It’s notably lighter at 187.4 lb, which can make a difference when navigating a garage, shed, or uneven driveway. Its standout practical advantage is 12 hours at 50% load, which is a common real-world range for running essentials during an outage, and can reduce refueling frequency overnight. The tradeoffs are a shorter 3-year warranty and slightly higher noise at 64 dB, which may be noticeable if it’s running close to living spaces. For RV or camping use, both are typically larger than most people want to transport regularly, but the Westinghouse’s lower weight can still be the easier of the two for occasional trips.
Verdict & recommendation
If your priority is longer warranty coverage and slightly lower noise for neighborhood-friendly home backup, the DuroMax XP11000iH is the more comfort-focused pick. If your priority is easier handling plus longer run time at typical mid-level loads, the Westinghouse iGen11000DFc makes a strong case, especially for overnight outage coverage.
Because both are dual-fuel inverter generators delivering 9000 running watts and 11000 starting watts, the decision is less about raw power and more about ownership tradeoffs: warranty and noise versus weight and 50% load runtime. Choose the one that best matches how often you’ll move it and how long you want to run between refuels.
Last updated February 23, 2026
| Specification | DuroMax XP11000iH | Westinghouse iGen11000DFc |
|---|---|---|
| General | ||
| Product type | Generator | Generator |
| Fuel | Dual-Fuel | Dual-Fuel |
| Inverter | Yes | Yes |
| Parallel capable | Yes | Yes |
| RV ready | Yes | No |
| Running watts | Winner: Winner: 9000 W | Winner: Winner: 9000 W |
| Starting watts | Winner: Winner: 11000 W | Winner: Winner: 11000 W |
| Noise (lower limit) | Winner: Winner: 61 dB | 64 dB |
| Weight | 216 lbs | Winner: Winner: 187.4 lbs |
| Run time @50% load | 9 h | Winner: Winner: 12 h |
| Run time @25% load | 18 h | 17 h |
| Fuel tank | 7.1 gal | 7.9 gal |
| Fuel gauge | Yes | Yes |
| Approx. dimensions (L × W × H) | 26.2 x 25 x 29.6 | 30.2 x 25.2 x 26.6 |
| Electrical | ||
| Voltage (AC) | 120/240 | 120/240V 60 Hz |
| Voltage (DC) | 48-58 | Not available |
| GFCI outlets | Yes | Yes |
| Covered outlets | Yes | Yes |
| Automatic Voltage Regulation | Yes | Yes |
| THD | 3 % | <3% % |
| Engine | ||
| Engine | 459 cc OHV 4-stroke | 452 cc OHV 4-stroke |
| Alternator | Not available | Not available |
| Starting system | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Warranty | ||
| Warranty | 5 years | 3 years |
| Power by fuel | ||
| Gasoline | Not available | Not available |
| Running watts | 9000 W | 9000 W |
| Starting watts | 11000 W | 11000 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 9 h | 12 h |
| Run time @25% load | 18 h | 17 h |
| Propane | Not available | Not available |
| Running watts | 8550 W | 8100 W |
| Starting watts | 10450 W | 10000 W |
| Running amps (120V) | Not available | Not available |
| Running amps (240V) | Not available | Not available |
| Peak amps (120V) | Not available | Not available |
| Peak amps (240V) | Not available | Not available |
| Run time @50% load | 4 h | Not available |
| Run time @25% load | 8 h | 9.8 h |
| Other | ||
| Data center | Not available | Not available |
| Indicators | true | true |
| Compliance | EPA | EPA, ANSI/PGMA G300-2023 |
| Security | Not available | Not available |
| Spark arrestor | Yes | Yes |
| Neutral | true | true |
| UPC | 811640017033 | 850032657754 |
| Core / High-priority specs | ||
| Running Watts (Gasoline) | 9000 | 9000 |
| Running Watts (Propane) | 8550 | 8100 |
| Starting Watts (Gasoline) | 11000 | 11000 |
| Starting Watts (Propane) | 10450 | 10000 |
| Runtime @ 50% Load (Gasoline) | 9 | 12 |
| Runtime @ 50% Load (Propane) | 4 | Not available |
| Runtime @ 25% Load (Gasoline) | 18 | 17 |
| Runtime @ 25% Load (Propane) | 8 | 9.8 |
| AC Outlet Types | 2x Duplex 120V 20A (5-20R) GFCI; 1x 120/240V 30A (L14-30R); 1x 120/240V 50A (14-50R) | 1x Duplex 120V 20A (5-20R) GFCI1x 120/240V 30A (L14-30R)1x 120/240V 50A (14-50R) |
| Electrical & power | ||
| Frequency | 60 | 60 |
| Engine & construction | ||
| Engine Type | 459 cc OHV 4-stroke | 452 cc OHV 4-stroke |
| Engine Displacement | 459 | 452 |
| Alternator Winding Material | Not available | Copper-clad aluminum windings |
| Engine Oil Type | 10W-30 | 10W-30 |
| Runtime & fuel system | ||
| Runtime @ 25% Load (Gasoline) | 18 | 17 |
| Runtime @ 50% Load (Gasoline) | 9 | 12 |
| Runtime @ 50% Load (Propane) | 4 | Not available |
| Safety & compliance | ||
| Overload Protection System | Low oil and overload protection | Low oil and overload protection, CO monitoring |
| Low Oil Protection | Yes | Yes |
| Carbon Monoxide Monitoring | Yes | Yes |
| Included equipment | ||
| Starting Components | Recoil, Electric, Remote | Recoil, Electric, Remote |
| Included Accessories | Funnel, tool kit, key fob, battery charger, propane hose, battery charging cables, and battery | Oil, funnel, tool kit, key fob, battery charger, propane hose, battery, and parallel cables |
| Warranty & identification | ||
| Commercial Warranty | 5 | 3 |
| Additional specs | ||
| Summary | The DuroMax XP11000iH is a 9,000-watt dual-fuel inverter generator built for home backup and jobsite power. Because it runs on either gasoline or propane, users can adapt to fuel availability rather than being locked into one source. The 11,000-watt peak output handles large appliances and power tools simultaneously, while the inverter technology keeps total harmonic distortion at just 3 percent. This matters for laptops, televisions, and other sensitive gear that can suffer damage from dirty power. At 61 decibels, the noise level sits between a normal conversation and a vacuum cleaner, making it tolerable in residential settings without constant ear protection. | The Westinghouse iGen11000DFc is a dual fuel inverter generator that delivers 11,000 peak watts and 9,000 running watts, suitable for home backup, camping, and more. |
- Most PowerfulDuroMax XP11000iH9000W running
- QuietestDuroMax XP11000iH61 dB
- Longest RuntimeWestinghouse iGen11000DFc12h at 50% load


