Heat Pump Payback in Davis, CA
Will a heat pump pay off in Davis, CA?
The payback math works in Davis on paper, past the equipment's own working life. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $3,000. That premium is recovered through $123 of lower running costs every year, landing the payback clock at roughly 24.4 years. Davis's own numbers say this pencils out only in theory, not in practice.
Not the city you meant?
This runs the same numbers for 3206 US cities, not just Davis. Look one up here.
The climate behind Davis's payback figure
2445 heating degree days pile up here every year, so Davis has a mild winter by US standards; the cooling side runs to 1427 cooling degree days, where summers are hot enough that cooling matters as much as heating. The 99% winter design temperature here, the cold snap equipment must be sized for, not the seasonal average, is 32°F, and the coldest daily reading in the 2024 station record was 30.2°F. That puts the seasonal coefficient of performance at 3.15 for the recommended standard unit. A standard ducted system is enough here; Davis's design temperature doesn't justify the cold-climate premium. These numbers come from University Airport, the closest NOAA station, 2.9 miles out.
The yearly running costs in Davis
Electricity use for heating alone comes out to about 1,965 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,045 a year. That compares with roughly 25 Mcf a year of gas at Davis's $22.01 per-Mcf rate, about $1,168 a year with the old AC included, against a local electricity rate of 32.83¢/kWh. Priced as a standalone purchase, with a working furnace ripped out early, payback would take longer than the 15-year equipment life. Measured against the like-for-like replacement instead, a household here ends 15 years $1,156 behind.
What would change Davis's answer
This result holds unless electricity climbs above 42.1¢/kWh (it is 32.83¢ now) or gas drops below $17.18 per Mcf (now $22.01); past either point, gas becomes the cheaper fuel in Davis. When quotes arrive, compare the heat pump price with a like-for-like furnace and AC replacement: at $123 a year saved, a difference under $861 pays back within 7 years here, and under $1,230 within 10.
The other scenario: no gas furnace to begin with
Plenty of homes in Davis heat with electricity alone, no gas line involved. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. About $1,595 a year comes back this way, enough that the 4.7-year payback clears the $7,500 premium comfortably within the equipment's life.
Davis against the rest of the country
Davis lands at position 2207 out of 3206 cities on heating severity (coldest is 1), and 582 out of 3206 by population size (biggest is 1). That's the mildest third of cities covered, where utility rates carry more of the answer than climate does.
Next step if you live in Davis
About 67,125 people live in Davis, California, and every number on this page is what a contractor would actually work from when quoting a system here, the point isn't to replace that quote, it's to tell you whether to bother asking for one. Here, there's no cost penalty to waiting until your current furnace or AC actually needs replacing.
Ask a local HVAC contractor for a quote before committing either way.
More on how this number was built
The methodology guide walks through exactly how Davis's 3.15 seasonal COP and the rest of this page's numbers get built. Davis's case is the "pays back too slowly to count" kind covered in the guide to cities where the math never really works.