AC Repair in Bay City, MI
Air conditioners here run from June through August. If yours quits, tell us what it's doing and a licensed contractor who covers Bay County will get in touch.
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Short cooling season, hard on the outdoor unit
Bay City only needs cooling from June through August, and summer afternoons average around 80°F. That is not extreme heat, but a system that sits idle most of the year can be slow to show a problem once it starts working again. A weak capacitor or a low refrigerant charge shows up as an air conditioner that runs a long time without the house getting cool.
The outdoor unit also has to survive what the weather does to it. Bay County has recorded 14 hail events over the past ten years, with hail up to 1.75 inches, along with 49 damaging wind events. Hail that size can bend the thin fins on the outdoor coil, and wind strong enough to count as damaging can rock the unit or throw debris into it. Either one can leave you with a system that runs but cools poorly, or one that trips off and won't restart.
- 3 months
- June through August, your air conditioner is on duty
- 80°F
- the average summer afternoon it cools against
- 14 hail events
- in ten years, and hail bends the fins on outdoor coils
- 49 wind events
- in ten years, and wind drives debris into outdoor units
NOAA nClimDiv, 1991–2020 normals
A new air conditioner would save little on running costs in Bay County, so the repair decision comes down to the unit's condition.
Estimates for a typical Bay 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 a part like a capacitor or contactor has failed.
Replacement makes sense when the compressor has failed or the system uses R-22 refrigerant, which is no longer made.
Michigan requires HVAC contractors to hold a state license.
Michigan licenses HVAC contractors through the Board of Mechanical Rules. The license belongs to the contractor, not the job, so it covers the business doing the work rather than being issued fresh for each repair.
For a repair on your air conditioner, the state license is not the only thing that applies. Anyone opening the refrigerant side of the system to work on it has to hold EPA Section 608 certification, a federal rule that applies in every state regardless of what Michigan requires. On this job, the state license and the federal certification cover two different parts of the work.
Sources: Michigan Legislature · Michigan Department of Licensing and Regulatory Affairs
- Why is my AC not blowing cold air?
- The most common cause is a dirty air filter choking off airflow across the coil. When that airflow drops too low, the coil can ice over and blow room-temperature or warm air instead of cold. Low refrigerant from a leak causes the same thing, and so does a failing compressor. Check the filter first, since that's the one thing you can rule out yourself before calling someone.
- Why is my AC leaking water?
- Water around your indoor unit usually means the condensate drain line is clogged. Algae and dirt build up in that line over time and block the path the water normally takes outside. When it backs up, it drains wherever it can, often straight onto your floor. A frozen coil that's now thawing will cause the same puddle, so if the air wasn't cold before the leak started, that's likely what happened.
- Why won't my AC turn on?
- Start with your thermostat and your breaker panel. A dead thermostat battery or a tripped breaker will stop the unit cold and both are easy to check yourself. If those are fine, the capacitor that starts the compressor may have failed, which is a common reason an AC won't start even though it worked the day before. A contractor can test the capacitor and the electrical components in a few minutes and tell you which one it is.