Generac G0080623 review
Generac G0080623 8,250 Starting Watt Dual Fuel Portable Generator with COsense
By Tom Calder
An electric-start dual fuel generator with 6,700 running watts on gasoline and a propane option. Generac lists COsense CO detection and an adapter cord. Propane output and outlet types are not given.
- Best for
- Dual fuel portable for outage backup
- Skip it if
- You live in California or need to know the outlet layout
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.We earn a commission if you buy through the retailer links on this page. It doesn't change our verdict. How we make money →
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 detection
- Adapter cord included
- Automatic idle control
Worth knowing
- 181 lb
- Propane output not stated
- 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 to know the outlet layout: it is 49-state and the listing does not itemize outlets.
Key specs
| Running watts | 6,700 W |
| Starting watts | 8,250 W |
| Fuel | Gasoline or propane |
| Weight | 181 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

