GeneratorsIn is an independent guide and matching service. We’re not affiliated with, endorsed by or an authorized dealer for Generac. Generac is a trademark of its owner.
Generac is one of the best-known names in home backup power. That popularity is a plus for parts and service, but the install still decides how well it works.
What Generac offers homeowners
Air-cooled standby
Sizes for whole-home and essentials. 22, 24 and 26 kW get compared a lot here.
Liquid-cooled
For large homes and light commercial loads.
Transfer switches
Whole-home and essentials options.
Remote monitoring
App-based status and alerts.
Choosing a size
AC systems, heat type and appliances matter more than square footage. Start with the calculator, then have the installer confirm with a load calculation.
Warranty and who installs it
Warranty terms and registration rules vary by model and change over time. Factory-authorized dealers typically handle registration and warranty service. Ask any installer if they’re authorized and get the terms in writing.
Cost
See Generac cost. Installed whole-house projects usually fall between $10,000 and $25,000.
Get matched for a Generac install
Want an authorized dealer? Tell us and we’ll factor it in.
Common questions
Is GeneratorsIn a Generac dealer?
No. We’re an independent, free matching service. Mention it if you want a factory-authorized Generac dealer.
Does Generac make liquid-cooled home generators?
Generac offers air-cooled home standby units and larger liquid-cooled models. Check their current lineup for specifics.