Heat Pump Payback in Clarkston, GA
Is a heat pump worth it in Clarkston?
The payback math works in Clarkston 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 $5,500. Lower bills claw that back: about $344 saved annually, for a payback of roughly 16 years. Clarkston's own numbers say this pencils out only in theory, not in practice.
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Clarkston is one of 3206 cities covered here, each run through the same model. Search another below.
The climate behind Clarkston's payback figure
Clarkston has a mild winter by US standards, 2569 heating degree days a year against a 65°F base, and summers are hot enough that cooling matters as much as heating, at 1846 cooling degree days. The 99% winter design temperature here, the cold snap equipment must be sized for, not the seasonal average, is 12°F, and the coldest daily reading in the 2024 station record was 10.9°F. That puts the seasonal coefficient of performance at 2.99 for the recommended cold-climate unit. The average winter here is gentle, but sizing follows the cold snaps, and 12°F is below the 25°F point where a standard unit leans on resistance backup, so a cold-climate unit is what gets priced for Clarkston. These numbers come from Dekalb-Peachtree Airport, the closest NOAA station, 5.5 miles out.
Clarkston's running-cost comparison, in dollars
Electricity use for heating alone comes out to about 2,176 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $559 a year. Clarkston's gas rate of $20.42 per Mcf, applied to the 27 Mcf a year the furnace burns, puts the current furnace-and-AC running cost near $903 a year, against 14.90¢ per kWh for electricity. 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 $338 behind.
What would change Clarkston's answer
This result holds unless electricity climbs above 40.3¢/kWh (it is 14.90¢ now) or gas drops below $7.56 per Mcf (now $20.42); past either point, gas becomes the cheaper fuel in Clarkston. When quotes arrive, compare the heat pump price with a like-for-like furnace and AC replacement: at $344 a year saved, a difference under $2,408 pays back within 7 years here, and under $3,440 within 10.
Electric resistance heat in Clarkston, compared
Not every home in Clarkston has gas service. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. About $767 a year comes back this way, enough that the 13-year payback clears the $10,000 premium comfortably within the equipment's life.
How Clarkston compares nationally
Ranked against the other 3206 cities covered, Clarkston comes in at 2115 for heating severity, 1 would be the coldest place in the dataset, and 2459 by population, where 1 is largest. That's the middle third for winter severity among the cities covered here.
Deciding what's next in Clarkston, GA
About 14,416 people live in Clarkston, Georgia, 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.
Reading further on this page's numbers
The methodology guide walks through exactly how Clarkston's 2.99 seasonal COP and the rest of this page's numbers get built. At a 12°F design temperature, Clarkston sits in cold-climate territory; the guide to that class of unit explains why.