Compared across 6 stores. Prices are checked against each store and labelled with when.
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The Generac iQ3800DF is a dual-fuel inverter generator rated at 3,800 starting watts and 3,000 running watts, running on gasoline or a 20 lb propane tank. It stands out for quiet operation under 60 dB, a push-button electric start with auto-choke, COsense carbon monoxide shutdown, and a smart LED display showing output and fuel use. It weighs 107 lb and rolls on flat-free wheels. At $849 at Lowe's as of November 5, 2026, it sits at the low end of its recent new-price range across the six stores that list it.
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Lowest price we've seen: $849.00 on Nov 5 at Lowe's. Tracked across 6 stores since Nov 5.
Owners of the iQ series generally rate it highly for quiet running and easy electric starting, and the dual-fuel option is a common reason to buy. Complaints center on weight and on the lower output when running on propane.
iQ 3800 Starting / 3000 Running Watt Gas and Propane Dual Fuel Inverter Generator
