HVAC Repair in Jackson, MI
Homes here need heat from October through May and cooling from June through August. If your system quits, tell us what it's doing and a licensed contractor who covers Jackson County will get in touch.
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Eleven months of work, most of it in the cold
Jackson County needs the furnace on from October through May and the AC on through June and August. That leaves only a few weeks a year when the system just sits. Winter nights average 19°F, cold enough that the burner cycles on and off many times a night to hold the house steady, and every start puts wear on the igniter and the ignition control. Most homes here heat with gas, so when that circuit fails, the house goes cold fast.
Summer asks less of the system, with afternoons around 80°F, but the outdoor unit still runs day after day through the season. Storms complicate both seasons. Jackson County has logged 13 winter storms and 31 damaging wind events over the past ten years, and across Michigan a third of households lost power for at least 24 hours in 2024. A furnace or AC that loses power and doesn't restart on its own is often a sign something needs a closer look, not just a reset.
- 8 months
- October through May, your system heats
- 3 months
- June through August, it cools
- 19°F
- the average winter night it heats against
- 80°F
- the average summer afternoon it cools against

NOAA nClimDiv, 1991–2020 normals
A new furnace and air conditioner would cut about $160 a year off heating and cooling for a typical Jackson County home.
Estimates for a typical Jackson County home, compared with an older unit built to the previous federal minimum, from EIA household energy data, Michigan fuel prices and NOAA climate normals. Your home will differ.
Repair makes sense when one part has failed.
Replacement makes sense when the furnace's heat exchanger is cracked, the air conditioner's compressor has failed, or repairs keep coming.
Michigan requires HVAC contractors to hold a state license.
Michigan licenses HVAC contractors through the Board of Mechanical Rules. That license belongs to the contractor, not the job, so the state tested this contractor and keeps a record of who they are before they ever step into a home. It does not mean someone from the state signs off on this particular repair once it is done.
For a repair to a heating and cooling system, that contractor license is what stands behind the person doing the work. It is the record that exists because Michigan requires it, and it is what you have to go on beyond the contractor's own word.
Sources: Michigan Legislature · Michigan Department of Licensing and Regulatory Affairs
- Why is my heat not working?
- Most often it is the igniter, a flame sensor that needs cleaning, or the thermostat losing power. Furnaces run through a startup sequence, and if one step fails partway through, the whole system shuts down rather than risk running unsafely. Check that the thermostat has power and is set to heat, and check the breaker and the furnace switch, which looks like a light switch near the unit. With lows around 19°F here in the middle of winter, a furnace that will not start is worth calling in a contractor for the same day.
- Why is my system running but not cooling the house?
- If air is moving but it is not cold, the most common cause is a dirty filter choking off airflow across the coil, or the coil itself iced over from restricted airflow. Low refrigerant from a leak will do the same thing, air movement without real cooling. Start by checking the filter and swapping it if it is gray or clogged. If the filter is clean and you can see ice on the indoor coil or refrigerant lines, turn the system off and let it thaw before a contractor looks at it.
- What can I check before calling for HVAC repair?
- Check the thermostat first, that it has power, batteries if it uses them, and is set to the mode you want. Then check the breaker for the unit and, for a furnace, the switch that looks like a light switch nearby. Check the filter and replace it if it is dirty, since a clogged filter can cause both heating and cooling problems. If the outdoor unit is covered in ice, snow, or debris, clear it away. If you have lost power recently, give the system a few minutes after it comes back before deciding something is wrong, since some units reset on their own.


