Should Troy switch to a heat pump?

Troy sits right on the fence — how long you'll own the house decides this one. Swap a failed furnace and AC for a heat pump rather than buying like-for-like, and the extra cost here runs $3,500 after a $2,000 federal tax credit. Troy's residents would see roughly $258 a year back in running costs, putting the payback around 13.6 years. Whether that's worth it in Troy depends on how many years you expect to own the place.

The climate behind Troy's payback figure

Degree days tell the story here: Troy racks up 1848 heating degree days each year (base 65°F), and summers are hot enough that cooling matters as much as heating, with 2139 cooling degree days on the cooling side. Sizing runs off the design temperature, not the average day: 23.7°F here (record low 15.4°F), which works out to a seasonal COP of 3.27 for the cold-climate class of unit this climate calls for. Below the 25°F line where a standard machine starts leaning on resistance backup, Troy sits firmly in cold-climate territory, so that's the class of unit priced here. Climate figures trace to the nearest NOAA station, TROY 2 W , 2.1 miles from Troy.

The month-to-month numbers for Troy

Electricity use for heating alone comes out to about 1,431 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $541 a year. The gas furnace it replaces burns roughly 19 Mcf a year at 17.56 per Mcf here, for a running cost near $799 a year (electricity here runs 16.62¢/kWh). Looked at as a full purchase rather than an incremental one, payback here is roughly 52.4 years, leaving the 15-year total $366 ahead.

Electric resistance heat in Troy, compared

Gas isn't universal in Troy — many houses run on electric heat already. Against electric-resistance heat — baseboard or an electric furnace, both 100% efficient but still just resistance — the case for switching gets stronger here. About $697 a year comes back this way, enough that the 11.5-year payback clears the $8,000 premium comfortably within the equipment's life.

How Troy compares nationally

Troy lands at position 2515 out of 3206 cities on heating severity (coldest is 1), and 2121 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 Troy

About 17,734 people live in Troy, 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.

Where Troy's figure comes from

Nothing above is a black box: the methodology guide shows the full arithmetic behind Troy's 3.27 seasonal COP and payback figure. At a 23.7°F design temperature, Troy sits in cold-climate territory; the guide to that class of unit explains why.