Heat Pump Payback in Chicago Heights, IL
Will a heat pump pay off in Chicago Heights, IL?
Here in Chicago Heights, 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 $5,500 more up front here. Running costs here land $278 a year higher than the furnace it replaces, so that premium is never recovered. That's Chicago Heights's own climate and rates talking, not a hedge or a caveat.
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How cold Chicago Heights actually gets
Degree days tell the story here: Chicago Heights racks up 4971 heating degree days each year (base 65°F), and summers add a moderate cooling load, with 864 cooling degree days on the cooling side. The 99% winter design temperature here, the cold snap equipment must be sized for, not the seasonal average, is -5.3°F, and the coldest daily reading in the 2024 station record was -10.7°F. That puts the seasonal coefficient of performance at 2.57 for the recommended cold-climate unit. A cold-climate unit is the right call in Chicago Heights, below 25°F design temperature, a standard heat pump leans hard on electric-resistance backup, which erases most of the savings. These numbers come from Lansing Municipal AP, the closest NOAA station, 5.7 miles out.
What it actually costs to run, year to year
Electricity use for heating alone comes out to about 4,898 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,074 a year. The gas furnace it replaces burns roughly 52 Mcf a year at $11.25 per Mcf here, for a running cost near $796 a year including the old AC (electricity here runs 19.06¢/kWh). Because the heat pump costs more to run here, the gap only widens with time: $9,671 behind after 15 years compared with replacing the furnace and AC like-for-like.
What would change Chicago Heights's answer
For the verdict in Chicago Heights to flip, electricity would need to drop to about 12.9¢/kWh from 19.06¢, or gas climb past $16.62 per Mcf from $11.25. A utility offering a lower heat pump rate can change this. Until then, no quote price makes a heat pump pay back against gas in Chicago Heights; the case for one here rests on comfort, cooling, or replacing electric heat instead.
Electric resistance heat in Chicago Heights, compared
Plenty of homes in Chicago Heights heat with electricity alone, no gas line involved. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. The saving here runs about $1,539 a year, which recovers the extra $10,000 spent going electric in roughly 6.5 years.
How Chicago Heights compares nationally
Among 3206 cities, Chicago Heights's winter puts it at rank 762 for severity, while its size puts it at rank 1507 for population, 1 in both cases being the extreme. That's the coldest third of the dataset, where climate does most of the work behind this figure.
Deciding what's next in Chicago Heights, IL
Chicago Heights, Illinois is home to about 26,533 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 Chicago Heights, nothing is lost by holding off until the current equipment genuinely fails.
Line up a few local HVAC quotes before you decide.
Where Chicago Heights's figure comes from
Nothing above is a black box: the methodology guide shows the full arithmetic behind Chicago Heights's 2.57 seasonal COP and payback figure. Chicago Heights's -5.3°F design temperature falls on the cold side of the 25°F cutoff the cold-climate unit guide walks through.