Heat pump vs. gas furnace in Sterling, CO

Here in Sterling, the honest answer is that a heat pump raises your annual running cost. 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). Unfortunately the electric bill outweighs the gas bill it replaces by about $210 a year here, so the extra spend stays unrecovered. That's Sterling's own climate and rates talking, not a hedge or a caveat.

Sterling's weather, in the numbers that matter

5817 heating degree days pile up here every year, so Sterling has a cold winter that leans hard on heating equipment; the cooling side runs to 875 cooling degree days, where summers add a moderate cooling load. -5.8°F is the figure equipment gets sized against here — the 99th-percentile cold snap, not an average day — with a record low of -23.8°F on file. Worked through the model, that's a seasonal COP of 2.56 on the cold-climate unit fit for this climate. Sterling needs the cold-climate class of unit: past a 25°F design temperature a standard heat pump falls back on resistance backup often enough to eat the savings. Climate figures trace to the nearest NOAA station, STERLING MUNICIPAL AIRPORT, 3.9 miles from Sterling.

Sterling's running-cost comparison, in dollars

A 2000-square-foot house here would pull roughly 5,754 heating kilowatt-hours annually on top of cooling, totalling about $1,074 a year on electricity. The gas furnace it replaces burns roughly 61 Mcf a year at 11.17 per Mcf here, for a running cost near $864 a year (electricity here runs 16.53¢/kWh). Looked at as a full purchase rather than an incremental one, payback here is longer than the 15-year equipment life, leaving the 15-year total $6,654 behind.

Electric resistance heat in Sterling, compared

Gas isn't universal in Sterling — many houses run on electric heat already. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. Switching saves about $1,548 a year here — a heat pump moving heat rather than generating it needs far less electricity than resistance coils — so the extra $8,000 spent up front comes back in about 5.2 years.

How Sterling compares nationally

Sterling lands at position 279 out of 3206 cities on heating severity (coldest is 1), and 2637 out of 3206 by population size (biggest is 1). That's the coldest third of the dataset, where climate does most of the work behind this figure.

Next step for 13,114 people in Sterling

Sterling, Colorado is home to about 13,114 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 Sterling, nothing is lost by holding off until the current equipment genuinely fails.

Ask a local HVAC contractor for a quote before committing either way.

Reading further on this page's numbers

Nothing above is a black box: the methodology guide shows the full arithmetic behind Sterling's 2.56 seasonal COP and payback figure. Sterling's -5.8°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.