An outdoor heat pump unit mounted on a concrete pad in the front yard of a gray suburban house.

Heat pump vs Furnace in St. Clair County, Michigan

When a heat pump makes sense

A heat pump makes sense if you want one system that both heats and cools, and you'd rather not deal with a separate furnace and air conditioner. Choose a cold-climate model. Standard heat pumps lose heating power once temperatures drop, and winter nights here average 20°F. Expect higher bills than a neighbor heating with gas, since electricity runs at least 50% more here at Michigan prices.

When a furnace makes sense

A furnace fits most homes in the county. It costs less to run than a heat pump at Michigan prices, and that gap matters over 8 months of heating a year. It won't cool your home, so you'll need a separate air conditioner if you want that. Most homes here already heat with gas, which is part of why the furnace wins on this page.

When a heat pump makes sense

A heat pump makes sense if you want one system that both heats and cools, and you'd rather not deal with a separate furnace and air conditioner. Choose a cold-climate model. Standard heat pumps lose heating power once temperatures drop, and winter nights here average 20°F. Expect higher bills than a neighbor heating with gas, since electricity runs at least 50% more here at Michigan prices.

When a furnace makes sense

A furnace fits most homes in the county. It costs less to run than a heat pump at Michigan prices, and that gap matters over 8 months of heating a year. It won't cool your home, so you'll need a separate air conditioner if you want that. Most homes here already heat with gas, which is part of why the furnace wins on this page.

A grey heat pump outdoor unit mounted on a concrete pad in a suburban backyard, with a single-storey house visible behind it.

Heat pump

Runs on
Electricity
What it does
Heats and cools
Tax credit
No federal tax credit since the end of 2025

Sources: U.S. Department of Energy · Internal Revenue Code

An unfinished basement featuring exposed ceiling joists, a metal HVAC unit with round ductwork, a hanging light bulb, and scattered boxes and debris along the left wall.

Furnace

Runs on
Natural gas
What it does
Heats only
Tax credit
No federal tax credit since the end of 2025

Sources: U.S. Department of Energy · Internal Revenue Code

Furnace wins in St. Clair County.

Gas costs at least 50% less than a heat pump to run here, and it's why most of your neighbors already heat with a furnace.

At least 50% lessto heat with natural gas than with a heat pump, at Michigan prices
20°Faverage winter low
74%of homes here heat with gas

If your home has no natural gas line to it, a cold-climate heat pump will still heat it through a 20°F night and cool it in the summer too.

Find a contractor
Compared onHeat pumpFurnace
Cost to run hereCosts more to runAt least 50% less to run
What it doesHeats and coolsHeats only
Homes in the Great Lakes states that heat with one3.4%78.8%
Handles a 20°F nightStandard models lose heating power in the cold; cold-climate models are built for itYes

Sources: U.S. Energy Information Administration, U.S. Department of Energy, NOAA

When a heat pump makes sense

A heat pump makes sense if you want one system that both heats and cools, and you'd rather not deal with a separate furnace and air conditioner. Choose a cold-climate model. Standard heat pumps lose heating power once temperatures drop, and winter nights here average 20°F. Expect higher bills than a neighbor heating with gas, since electricity runs at least 50% more here at Michigan prices.

When a furnace makes sense

A furnace fits most homes in the county. It costs less to run than a heat pump at Michigan prices, and that gap matters over 8 months of heating a year. It won't cool your home, so you'll need a separate air conditioner if you want that. Most homes here already heat with gas, which is part of why the furnace wins on this page.

A St. Clair County contractor will price both against your own house, your ductwork and your panel.

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