Free tool
Home Generator Sizing Calculator
Sizing a standby generator for a First Coast home? Pick your central-AC size and check the circuits you want to keep running, and we’ll estimate the generator capacity (in kW) to cover them, a solid planning ballpark. Your installer confirms it with a real load calculation (see the sizing guide).
Get an exact size, free
The calculator gets you in the ballpark. For the real number, we’ll connect you with a vetted local installer who measures your actual loads and quotes it, no cost, no pressure.
Get your free quote
Tell us about your home, we’ll connect you with a vetted local installer.
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Keep the lights on when the next storm hits
Get a free, no-pressure quote from a vetted installer across the First Coast, or call now to talk it through.