06/03/2026
Before you call for service, run through these quick checks.
A dirty filter, a blocked vent, or a simple thermostat issue can cause your AC to stop cooling without any mechanical problem at all.
Check your filter first. If it is gray and clogged, replace it. Make sure all your supply vents are open and nothing is blocking them. Check that your thermostat is set to COOL and the temperature is below room temperature.
If none of that helps, turn the system off for 30 minutes to let it reset. If it still is not cooling after that, it is time to call a technician.
If these tips do not resolve the issue, call Comfort Plus for a proper diagnosis.
(248) 280-2800 | comfortpluslc.com