Heating and cooling in Detroit
Housing age frames heating work in Detroit: 90.1 percent of homes were built before 1980, and the median home value is $76,800. Detroit Metro Airport's 1991-2020 normals show about 6,067 heating degree days a year (base 65 F). DTE Electric is the only electric utility whose territory reaches the city. Gas is predominantly DTE Gas by our sample of service points, with a sliver of Consumers Energy, so border streets need an address check.
That points to DTE's furnace, central AC and heat pump rebate pages, which carried a "Limited Funds Available" banner when we read them on October 19, 2026. Heat pump rebates there apply to electric customers replacing electric heat. If you smell gas, leave first, then call 911 and DTE's gas leak hotline at (800) 947-5000. The Statewide Jurisdiction List shows Detroit runs its own mechanical program, so the city issues the permit and inspects, not LARA.
The city's permit pages would not open for us, so we name no office details here and cannot confirm which permit applies; ask your contractor, or the city's permit office, which one you need. Nearby, Dearborn, Hamtramck and Ferndale each have their own offices, and our furnace repair page covers the no-heat basics.
What heating and cooling work costs near Detroit
We have collected no quotes for Detroit, so there is no price for the city itself. The statewide estimates are on each service page, and the Michigan page shows what technicians are paid (the Michigan mean in BLS data for May 2025 is $31.01 an hour, which is pay, not price) and the permit fees we could read. How we estimate costs.
Permits for heating and cooling work in Detroit
Many cities run their own building department, so start by asking the City of Detroit building department who issues heating and cooling permits.
Mechanical work may not start until a permit is issued, except replacement of minor parts. A furnace, central air conditioner or heat pump replacement is not on LARA's exemption list, which is our inference from the list, not a sentence LARA wrote. Read the permit guide
Heating and cooling jobs in Detroit
The short answer to each job, as it applies across Michigan. Each links to the full page with the cost evidence, permit rules and what to try first.
- Furnace repair in DetroitFurnace repair starts with two free checks, the thermostat setting and the filter. If you smell gas or a carbon monoxide alarm sounds, leave the house and call 911 and your gas utility before anything else.
- Emergency HVAC in DetroitFor emergency HVAC repair, the first call depends on what you notice. A gas smell or a sounding carbon monoxide alarm means leaving the building and calling 911 and your gas utility, not a repair company.
- Furnace replacementFurnace replacement in Michigan involves choosing an efficiency level, a mechanical permit and a company with the right license. ENERGY STAR's specification for the northern U.S., which includes Michigan, is 97% AFUE, against a federal floor of 80%.
- Boiler repairBoiler repair in Michigan falls under mechanical contractor licensing, which is separate from plumbing licensing. For steam or vapor boilers up to 15 psig in a private residence, LARA says the permit must be secured by a licensed mechanical contractor in the hydronic heating and cooling and process piping classification.
- Heat pump installationHeat pump installation in Michigan comes down to choosing a model tested for cold weather and checking which rebates still have money. ENERGY STAR cold climate heat pumps are tested down to 5 F, and ENERGY STAR advises a back-up energy source at lower temperatures.
- AC repair in DetroitAC repair in Michigan starts with checks you can do yourself: the filter, the thermostat setting, the breaker and any water near the indoor unit. Refrigerant is different, because under EPA Section 608 only certified technicians may buy refrigerant for stationary air conditioning, so a top-up is not a do-it-yourself job.
- AC installationAC installation in Michigan needs a mechanical permit, a size worked out from your house rather than from the old unit, and an efficiency rating of at least 13.4 SEER2 for a split system.
- Mini-split installationMini split installation adds a ductless heat pump to a house without running new ducts, and in Michigan the first question is how it will heat in January. ENERGY STAR says certified mini splits use up to 60% less energy than standard home electric radiators; that compares them with electric resistance heat and says nothing about a gas furnace.
- Duct cleaningWe found no government source on the benefits of duct cleaning, so this page makes no claim for it. The federal evidence we did find is about sealing and insulating ducts: ENERGY STAR says doing so can improve the efficiency of a heating and cooling system by as much as 20 percent.
- Thermostat installationThermostat installation is the smallest job in this trade, and in Michigan the rebate matters more than the labor. DTE offers $50 for a Wi-Fi thermostat, one per household, with applications due within six months of purchase and no later than December 31, 2026.
- Indoor air qualityIndoor air quality work on a heating and cooling system starts with the dull items: the filter, the condensate drain and leaky ducts. ENERGY STAR says to change or clean filters monthly and to have a contractor check the system before each season.
More on Michigan heating and cooling
Licensing, permits and the mechanical code are covered once for the whole state on the Michigan page. To check an HVAC contractor, read how to find a licensed HVAC contractor in Michigan.