Which is better for running a house during an outage?

The DuroMax gives more running watts (10,500 vs 9,500) and cleaner power, so it handles a bigger load and sensitive electronics. The Westinghouse covers most essentials for about $1,700 less.

Is the DuroMax worth the extra money?

Yes if you need inverter power for electronics, quieter running at 66 dB, or the extra 1,000 running watts. No if you just need backup power for a fridge, lights and a sump pump.

Can both run on propane?

Yes. The Westinghouse makes 9,500 peak watts on propane. The DuroMax makes 12,750 peak and 10,000 running watts on propane.

The DuroMax. It is rated 66 dB at 25% load. The Westinghouse is rated 90 dB at 6 feet.

Which lasts longer on a tank of gas?

The DuroMax has the larger tank at 8 gallons and runs 10.8 hours at 50% load. The Westinghouse claims up to 12 hours on 6.6 gallons, but burns 1.25 gallons per hour at full load.

Can I connect either to a transfer switch?

Both have a 50A outlet. The Westinghouse is transfer switch ready with automatic start when paired with a switch. The DuroMax works with interlocks or transfer switches.

Westinghouse WGen9500DF Dual Fuel Portable Generator vs Duromax XP13500iH 10500W/13500W Generator Dual Fuel Gas Propane Inverter 50A Low THD CO Alert Remote Start

Buy the Westinghouse WGen9500DF if you want the most watts per dollar for home backup on a budget. At $999.00 at Walmart as of November 3, 2026, it costs roughly $1,700 less than the DuroMax XP13500iH at $2,698.82 at Outbound Power. Buy the DuroMax if you need clean inverter power for electronics, quieter running, or more running watts.

Today the Westinghouse WGen9500DF Dual Fuel Portable Generator costs $1,699.82 less at its best price.

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