Should Justice switch to a heat pump?

Here in Justice, the honest answer is that a heat pump raises your annual running cost. 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. Running costs here land $151 a year HIGHER than the furnace it replaces, so that premium is never recovered. That's Justice's own climate and rates talking, not a hedge or a caveat.

How cold Justice actually gets

Degree days tell the story here: Justice racks up 4543 heating degree days each year (base 65°F), and summers are hot enough that cooling matters as much as heating, with 1348 cooling degree days on the cooling side. Sizing runs off the design temperature, not the average day: 1.9°F here (record low -9°F), which works out to a seasonal COP of 2.75 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, Justice sits firmly in cold-climate territory, so that's the class of unit priced here. These numbers come from CHICAGO MIDWAY INTL ARPT, the closest NOAA station, 4.5 miles out.

The month-to-month numbers for Justice

Electricity use for heating alone comes out to about 4,183 kWh a year on the 2000-square-foot reference house; folding in cooling puts the electric bill near $1,016 a year. Justice's gas rate of 11.25 per Mcf, applied to the 47 Mcf a year the furnace burns, puts its running cost near $865 a year, against 19.06¢ per kWh for electricity. Buy it outright, not incrementally, and payback stretches to beyond the 15-year equipment life; over 15 years the net position sits $5,767 behind.

If your home heats with electric baseboard instead of gas

Not every home in Justice has gas service. Compared with baseboard or electric-furnace resistance heat, the numbers shift in the heat pump’s favor. About $1,509 a year comes back this way, enough that the 5.3-year payback clears the $8,000 premium comfortably within the equipment's life.

Where Justice ranks in this dataset

Among 3206 cities, Justice's winter puts it at rank 1168 for severity, while its size puts it at rank 2773 for population — 1 in both cases being the extreme. That's the middle third for winter severity among the cities covered here.

Deciding what's next in Justice, IL

Justice, Illinois is home to about 12,267 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 Justice, 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

The methodology guide walks through exactly how Justice's 2.75 seasonal COP and the rest of this page's numbers get built. At a 1.9°F design temperature, Justice sits in cold-climate territory; the guide to that class of unit explains why.