Will a heat pump pay off in North Aurora, IL?
North Aurora is a place where a heat pump genuinely costs more to operate than the alternative. $3,500 is what North Aurora would pay extra to go electric rather than replace the furnace and AC with the same again, once the $2,000 federal credit is applied. Unfortunately the electric bill outweighs the gas bill it replaces by about $339 a year here, so the extra spend stays unrecovered. There's no spin on that: North Aurora's numbers say wait.
The climate behind North Aurora's payback figure
5330 heating degree days pile up here every year, so North Aurora has a cold winter that leans hard on heating equipment; the cooling side runs to 868 cooling degree days, where summers add a moderate cooling load. Sizing runs off the design temperature, not the average day: -9°F here (record low -15°F), which works out to a seasonal COP of 2.48 for the cold-climate class of unit this climate calls for. A cold-climate unit is the right call in North Aurora — below 25°F design temperature, a standard heat pump leans hard on electric-resistance backup, which erases most of the savings. Source: NOAA station AURORA MUNICIPAL AIRPORT, 7.6 miles from North Aurora — the closest one on record.
The month-to-month numbers for North Aurora
Electricity use for heating alone comes out to about 5,442 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,178 a year. North Aurora's gas rate of 11.25 per Mcf, applied to the 56 Mcf a year the furnace burns, puts its running cost near $839 a year, against 19.06¢ per kWh for electricity. Priced as a standalone purchase rather than against a like-for-like replacement, equipment payback runs past the 15-year equipment life, for a 15-year net position $8,591 behind.
Electric resistance heat in North Aurora, compared
Not every home in North Aurora has gas service. Against electric-resistance heat — baseboard or an electric furnace, both 100% efficient but still just resistance — the case for switching gets stronger here. About $1,608 a year comes back this way, enough that the 5-year payback clears the $8,000 premium comfortably within the equipment's life.
North Aurora against the rest of the country
Ranked against the other 3206 cities covered, North Aurora comes in at 458 for heating severity — 1 would be the coldest place in the dataset — and 1985 by population, where 1 is largest. That's the coldest third of the dataset, where climate does most of the work behind this figure.
What to do with this number in North Aurora
About 19,329 people live in North Aurora, Illinois, 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 North Aurora's figure comes from
The methodology guide walks through exactly how North Aurora's 2.48 seasonal COP and the rest of this page's numbers get built. North Aurora's -9°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.