Heat Pump Payback in Bloomington, IN
Bloomington, IN: the heat pump payback math
Bloomington is a place where a heat pump genuinely costs more to operate than the alternative. $5,500 is what Bloomington would pay extra to go electric rather than replace the furnace and AC with the same again. Unfortunately the electric bill outweighs the gas bill it replaces by about $91 a year here, so the extra spend stays unrecovered. There's no spin on that: Bloomington's numbers say wait.
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The climate behind Bloomington's payback figure
4101 heating degree days pile up here every year, so Bloomington has a real but manageable winter; the cooling side runs to 1206 cooling degree days, where summers are hot enough that cooling matters as much as heating. -2.9°F is the figure equipment gets sized against here, the 99th-percentile cold snap, not an average day, with a low of -5.1°F in the 2024 station record. Worked through the model, that's a seasonal COP of 2.63 on the cold-climate unit fit for this climate. Bloomington 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, Monroe County Airport, 5.4 miles from Bloomington.
The yearly running costs in Bloomington
Modelled on a typical 2000-square-foot house, the heat pump draws about 3,948 kWh a year to keep it warm, plus cooling, for a combined electric bill near $848 a year. Bloomington's gas rate of $11.49 per Mcf, applied to the 43 Mcf a year the furnace burns, puts the current furnace-and-AC running cost near $757 a year, against 17.03¢ per kWh for electricity. With running costs higher every year, there is no payback at any purchase price; over 15 years, against a like-for-like replacement, a household here would end $6,859 behind.
How sensitive Bloomington's result is to prices
The heat pump would become the cheaper option in Bloomington if electricity fell to 14.4¢/kWh (from 17.03¢) or gas rose above $13.61 per Mcf (from $11.49). At today's prices a cheaper quote cannot rescue the gas comparison in Bloomington, since there is no yearly saving to recover it from.
Electric resistance heat in Bloomington, compared
Gas isn't universal in Bloomington, 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. The saving here runs about $1,187 a year, which recovers the extra $10,000 spent going electric in roughly 8.4 years.
How Bloomington compares nationally
Among 3206 cities, Bloomington's winter puts it at rank 1458 for severity, while its size puts it at rank 464 for population, 1 in both cases being the extreme. That's the middle third for winter severity among the cities covered here.
What to do with this number in Bloomington
About 79,986 people live in Bloomington, Indiana, 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.
Reading further on this page's numbers
Nothing above is a black box: the methodology guide shows the full arithmetic behind Bloomington's 2.63 seasonal COP and payback figure. At a -2.9°F design temperature, Bloomington sits in cold-climate territory; the guide to that class of unit explains why.