ComfortCostGuide

State cost guide

Michigan: HVAC Replacement Cost Calculator

Replacing HVAC equipment in Michigan typically runs $3,500 to $7,000 for a gas furnace, $4,000 to $7,500 for central air, and $7,500 to $13,000 when you swap both at once. Heat pumps land between $6,000 and $12,000 installed, while ductless mini-splits span $3,500 to $10,000 depending on how many zones you need. Michigan labor rates sit right at the national average, with HVAC technicians earning about $31.01 an hour, so most of the price swing comes from equipment size, efficiency tier, and how much ductwork or venting has to change.

Worked example

Take a 1,900 sq ft two-story home outside Grand Rapids with a 21-year-old gas furnace and an outdoor AC unit of the same vintage. Because both are past their service life and share the same indoor coil and ductwork, replacing them as a matched system makes more sense than doing one now and one in two years. With a mid-efficiency furnace, a standard-efficiency AC, a new coil, and a new line set, this job would land in the middle of Michigan's $7,500 to $13,000 combined range — roughly $9,500 to $11,000. Adding a high-efficiency condensing furnace with new PVC venting would push it toward the $13,000 top end.

Frequently asked questions

How much does it cost to replace a furnace and AC together in Michigan?

A combined furnace and air conditioner replacement in Michigan runs $7,500 to $13,000 installed. Doing both at once usually costs less than two separate projects because the crew shares one trip, one set of electrical and refrigerant connections, and one indoor coil installation.

Is a heat pump a good choice in Michigan's climate?

Michigan sits in climate zone 5, so heating load drives the equipment decision more than cooling does. Heat pumps run $6,000 to $12,000 installed here, and many Michigan homeowners pair one with a gas furnace as a dual-fuel setup so the furnace covers the coldest stretches. Ask contractors to size and quote for your actual heating load, not just square footage.

Why do furnace quotes in Michigan range from $3,500 to $7,000?

The low end reflects a standard-efficiency furnace dropped into an existing setup with no venting or ductwork changes. The high end covers larger homes, high-efficiency condensing models that need new PVC venting and a condensate drain, and jobs where the plenum, gas line, or electrical has to be reworked.

How much of a Michigan HVAC bill is labor?

Labor costs in Michigan track the national average, and HVAC technicians in the state earn about $31.01 per hour. A straightforward furnace changeout is usually a one-day job for a two-person crew, while a full AC-and-furnace replacement with new line sets or venting can stretch to two days and shift more of your total toward labor.

Are ductless mini-splits cheaper than adding ductwork in Michigan?

Mini-splits run $3,500 to $10,000 in Michigan, with the low end covering a single-zone unit and the high end covering multi-zone systems. They are often the practical option for older Michigan homes, additions, or finished attics and basements where running new ducts would mean opening walls.

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