Will a heat pump pay off in Harker Heights, TX?
Harker Heights 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). Harker Heights's residents would see roughly $316 a year back in running costs, putting the payback around 11.1 years. It's a genuine toss-up here — Harker Heights's numbers don't point clearly either way.
Harker Heights's weather, in the numbers that matter
1439 heating degree days pile up here every year, so Harker Heights barely has a winter to speak of; the cooling side runs to 2998 cooling degree days, where summers are severe enough that cooling can dominate the annual bill. The 99% winter design temperature here — the cold snap equipment must be sized for, not the seasonal average — is 17.1°F, against a record low of 12.9°F. That puts the seasonal coefficient of performance at 3.11 for the recommended cold-climate unit. A cold-climate unit is the right call in Harker Heights — below 25°F design temperature, a standard heat pump leans hard on electric-resistance backup, which erases most of the savings. Climate figures trace to the nearest NOAA station, KILLEEN MUNICIPAL AIRPORT, 2.9 miles from Harker Heights.
The month-to-month numbers for Harker Heights
Modelled on a typical 2000-square-foot house, the heat pump draws about 1,172 kWh a year to keep it warm, plus cooling, for a combined electric bill near $602 a year. That compares with roughly 15 Mcf a year of gas at Harker Heights's 19.42 per-Mcf rate — about $919 a year — against a local electricity rate of 16.15¢/kWh. Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs about 42.7 years, for a 15-year net position $1,247 ahead.
The other scenario: no gas furnace to begin with
Gas isn't universal in Harker Heights — many houses run on electric heat already. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. About $614 a year comes back this way, enough that the 13-year payback clears the $8,000 premium comfortably within the equipment's life.
How Harker Heights compares nationally
Harker Heights lands at position 2711 out of 3206 cities on heating severity (coldest is 1), and 1163 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.
What to do with this number in Harker Heights
Harker Heights, Texas is home to about 35,263 people, and the figures above are the same ones a local HVAC contractor uses to size and quote a system — this site doesn't guess where a real quote would land, it just tells you whether it's worth asking for one. In Harker Heights, nothing is lost by holding off until the current equipment genuinely fails.
Line up a few local HVAC quotes before you decide.
More on how this number was built
Nothing above is a black box: the methodology guide shows the full arithmetic behind Harker Heights's 3.11 seasonal COP and payback figure. Harker Heights's 17.1°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.