Heating and cooling in Monroe
Monroe is the one city in this batch with its own wage row from the Bureau of Labor Statistics: heating, air conditioning and refrigeration mechanics and installers in the Monroe metro average $29.37 an hour, against $32.06 in the Detroit-Warren-Dearborn metro. That is what technicians are paid, not what you are charged, and the Monroe row rests on about 130 workers, so treat it as a thin sample. Of the homes, 86.4 percent were built before 1980, and the median home value is $161,500.
Monroe has no station of its own, so we use the Detroit Metro airport normals as the nearest station that has NOAA normals, about 6,067 heating degree days a year (base 65 F). NOAA did not assign that station to this city; we did. The city's Building Department is on the first floor of City Hall at 120 E. First St., phone (734) 384-9186. We did not confirm which counter takes mechanical permits, so ask when you call before a furnace goes in.
Nearby cities are Flat Rock, 13.8 miles away with only 49.4 percent of homes built before 1980, and Trenton, 18.3 miles away, which sits on the Wayne County side of the line.
The wider area: Southeast Michigan
Southeast Michigan is the state's largest furnace market, and Detroit Metro airport averages about 6,067 heating degree days and about 847 cooling degree days a year (NOAA 1991 to 2020 normals, base 65 F). The Ann Arbor station reads higher, at about 6,501 heating degree days, so a house in Washtenaw County heats a little longer than one in Wayne. The DOE and PNNL county table puts Wayne, Oakland, Macomb and Washtenaw counties in IECC climate zone 5. The cities we researched here, including Detroit, Warren, Sterling Heights and Ann Arbor, enforce the mechanical code locally. As of Oct 19, 2026, MiHER's income-qualified applications are suspended in the Detroit and Warren districts, and Ann Arbor residents can look at the city's A2ZERO heat pump rebate.
What heating and cooling work costs near Monroe
We have collected no quotes for Monroe, 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 that are published. How we estimate costs.
Permits for heating and cooling work in Monroe
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.
Heating and cooling jobs in Monroe
More on Michigan heating and cooling
How to check an HVAC contractor's license · Do you need a permit to replace a furnace in Michigan?
Sources for Monroe
- U.S. Census Bureau, American Community Survey 2023 five-year estimates (tables B01003, B25034, B25077) Read Oct 19, 2026.
- U.S. Bureau of Labor Statistics, OEWS May 2025: heating, air conditioning and refrigeration mechanics and installers (SOC 49-9021), Monroe Read Oct 19, 2026.
- NCEI U.S. Climate Normals 1991-2020 annual/seasonal (data service) Read Oct 19, 2026.
- Building Safety, Inspections and Permits, City of Monroe Read Oct 19, 2026.