Comparison · Generators

DuroMax 15,500 Watt Dual Fuel Portable HX Generator (XP15500HX) vs Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel

The difference that matters

The Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel states a lower noise level (64 dB vs 77 dB). The Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel is an inverter model; the other is not. The Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel is listed $100 lower.

Side by side

SpecificationDuroMax 15,500 Watt Dual Fuel Portable HX Generator (XP15500HX)Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel
BrandDuroMaxWestinghouse Outdoor Power
Running watts12,000 W11,000 W
Starting watts15,500 W9,000 W
Fuel typesGasoline, PropaneGasoline, Propane
Fuel tank (gasoline)11.9 gal—
Runtime (as stated)up to 15.8 hup to 11 h
Noise (as stated)77 dB64 dB
Weight269 lb189 lb
Starting systemElectric/Recoil—
InverterNoYes
Carbon monoxide shutoffListedListed
Parallel capable—Yes
Warranty5 YearsWarranty (Commercial) 1 Year Limited
Household appliances it can run by watts (calc)20 of 2020 of 20
Price per running watt (calc)$0.19$0.20
Price seen$2,299$2,199
Sellers11

Highlighted rows differ. Figures come from each product's sources; runtime, recharge and cost rows are Wattstanding calculations using the same method for both.

Which should you choose?

DuroMax 15,500 Watt Dual Fuel Portable HX Generator (XP15500HX)

Choose the DuroMax 15,500 Watt Dual Fuel Portable HX Generator (XP15500HX) if you prefer its maker, seller or ecosystem — the published figures do not favour it.

Full reference →

Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel

Choose the Westinghouse Outdoor Power iGen12000DFc Inverter Generator - Dual Fuel if noise near neighbors matters or you power sensitive electronics.

Full reference →

Before you buy either

  • Total your loads with the appliance load & runtime calculator.
  • Confirm what each seller includes — accessories, software trials and bundles change often.
  • Read the limitations on each full reference page.

Wattstanding compares published specifications; we have not tested these products side by side. How we work · Disclosure