Heat pump vs. gas furnace in Hartselle, AL
Hartselle sits right on the fence — how long you'll own the house decides this one. Against a like-for-like gas furnace and AC swap, going electric costs $3,500 more up front here (already netting out a $2,000 tax credit). That premium is recovered through $234 of lower running costs every year, landing the payback clock at roughly 14.9 years. Whether that's worth it in Hartselle depends on how many years you expect to own the place.
The climate behind Hartselle's payback figure
Degree days tell the story here: Hartselle racks up 2633 heating degree days each year (base 65°F), and summers are hot enough that cooling matters as much as heating, with 1674 cooling degree days on the cooling side. 12.2°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of 5°F on file. Worked through the model, that's a seasonal COP of 2.99 on the cold-climate unit fit for this climate. A cold-climate unit is the right call in Hartselle — below 25°F design temperature, a standard heat pump leans hard on electric-resistance backup, which erases most of the savings. These numbers come from FOLSOM FIELD AP, the closest NOAA station, 12.7 miles out.
What it actually costs to run, year to year
Electricity use for heating alone comes out to about 2,230 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $608 a year. Hartselle's gas rate of 17.56 per Mcf, applied to the 27 Mcf a year the furnace burns, puts its running cost near $842 a year, against 16.62¢ per kWh for electricity. Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs about 57.6 years, for a 15-year net position $14 ahead.
Electric resistance heat in Hartselle, compared
Not every home in Hartselle has gas service. Swap the comparison to resistance heat instead of gas, and Hartselle's answer improves. The saving here runs about $861 a year, which recovers the extra $8,000 spent going electric in roughly 9.3 years.
Where Hartselle ranks in this dataset
Ranked against the other 3206 cities covered, Hartselle comes in at 2077 for heating severity — 1 would be the coldest place in the dataset — and 2277 by population, where 1 is largest. That's the middle third for winter severity among the cities covered here.
Deciding what's next in Hartselle, AL
About 16,201 people live in Hartselle, Alabama, 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
Every constant behind this page — the 2.99 seasonal COP, the degree-day corrections, the equipment costs — is documented in the methodology guide. Hartselle's 12.2°F design temperature is below the 25°F line, which is why a cold-climate unit is the right call here — see what that changes in the cold-climate unit guide.