Heat Pump Payback in Corsicana, TX
Should Corsicana switch to a heat pump?
In Corsicana, the extra upfront cost technically comes back, just not before the equipment wears out. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $5,500. Corsicana's residents would see roughly $334 a year back in running costs, putting the payback around 16.5 years. Corsicana's own numbers say this pencils out only in theory, not in practice.
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Why Corsicana's climate drives this number
Degree days tell the story here: Corsicana racks up 1441 heating degree days each year (base 65°F), and summers are severe enough that cooling can dominate the annual bill, with 3235 cooling degree days on the cooling side. 17.1°F is the figure equipment gets sized against here, the 99th-percentile cold snap, not an average day, with a low of 15.1°F in the 2024 station record. Worked through the model, that's a seasonal COP of 3.11 on the cold-climate unit fit for this climate. The average winter here is gentle, but sizing follows the cold snaps, and 17.1°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 Corsicana. Source: NOAA station Campbell Fld-Corsicana Mu, 5.3 miles from Corsicana, the closest one on record.
What it actually costs to run, year to year
Modelled on a typical 2000-square-foot house, the heat pump draws about 1,173 kWh a year to keep it warm, plus cooling, for a combined electric bill near $635 a year. That compares with roughly 15 Mcf a year of gas at Corsicana's $19.42 per-Mcf rate, about $969 a year with the old AC included, against a local electricity rate of 16.15¢/kWh. If the current system still worked and you replaced it anyway, the full cost would take longer than the 15-year equipment life to earn back; against buying a new furnace and AC regardless, the 15-year total lands $496 behind.
How sensitive Corsicana's result is to prices
Because the heat pump's better air conditioning saves more electricity than its heating uses, it stays cheaper to run than the current furnace and AC in Corsicana at any electricity price. When quotes arrive, compare the heat pump price with a like-for-like furnace and AC replacement: at $334 a year saved, a difference under $2,338 pays back within 7 years here, and under $3,340 within 10.
The other scenario: no gas furnace to begin with
Gas isn't universal in Corsicana, many houses run on electric heat already. Swap the comparison to resistance heat instead of gas, and Corsicana's answer improves. Even against resistance heat, the running-cost gap here isn't enough to clear the $10,000 incremental cost within the equipment's 15-year life.
Where Corsicana ranks in this dataset
Ranked against the other 3206 cities covered, Corsicana comes in at 2709 for heating severity, 1 would be the coldest place in the dataset, and 1569 by population, where 1 is largest. That's the mildest third of cities covered, where utility rates carry more of the answer than climate does.
What to do with this number in Corsicana
About 25,591 people live in Corsicana, Texas, 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.
Line up a few local HVAC quotes before you decide.
More on how this number was built
Every constant behind this page, the 3.11 seasonal COP, the degree-day corrections, the equipment costs, is documented in the methodology guide. At a 17.1°F design temperature, Corsicana sits in cold-climate territory; the guide to that class of unit explains why.