Generac iQ5200 DF review
Generac iQ5200 DF 5,200-Watt Dual-Fuel Portable Inverter Generator with COsense
By Tom Calder
A 107 lb electric-start inverter that runs on gasoline (3,900 running watts) or propane (3,500). COsense shuts it down if dangerous CO levels are detected nearby. It has a 30A L5-30R outlet, two GFCI outlets and USB ports.
- Best for
- Dual fuel inverter with COsense
- Skip it if
- You live in California or need 240V
as of Nov 14, 2026, 5:36 PM ET · Details
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Researched, not used. We haven't used this product. This review is built from the maker's specifications, owner reports and our own sizing.
What we like
- COsense CO shutoff
- Both fuels' watts listed
- Electric start with battery included
Worth knowing
- 107 lb
- No 120/240V outlet for a transfer switch
- 49-state compliant, not 50
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Who shouldn't buy this
Don't buy it if you live in California or need 240V: it is 49-state compliant with 120V outlets only.
Key specs
| Running watts | 3,900 W |
| Starting watts | 5,200 W |
| Fuel | Gasoline or propane |
| Weight | 107 lb |
| CO safety (maker's term) | COsense |
| Noise (as listed) | — |
This is a Researched review: we haven't used this product. We check every specification against at least two independent sources, re-check the US price on a schedule where we can track it automatically, and say plainly who it isn't for. Commissions never change a rating.
If this isn’t the one
Best for Big home backup with remote start
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for The benchmark quiet inverter generator
as of Nov 14, 2026, 5:36 PM ET · Details
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon.com at the time of purchase will apply to the purchase of this product.
Best for Runs on propane too