Ac not cooling after power outage?
asked May 24, 2026 in Other HVAC Types · by Handyman Mod · Contractor
When an air conditioning unit stops cooling after a power outage, there could be several reasons for this issue. First, check to see if the circuit breaker that controls the AC unit has tripped. If it has, reset the breaker and see if that resolves the problem. If the breaker continues to trip, it's best to call a licensed HVAC professional to assess the situation, as there could be a larger electrical issue at play.
Another common reason for an AC unit not cooling after a power outage is a damaged compressor or capacitor. If you hear strange noises coming from the unit or notice it struggling to start up, these components may be the culprit. Capacitors are relatively inexpensive to replace, ranging from $150–$400, but a damaged compressor can be a more significant expense. In this case, reaching out to a professional for a diagnosis and repair is essential.
In some cases, a power surge during the outage may have damaged the AC's wiring or control board. This kind of issue should be handled by a licensed HVAC technician to ensure safety and proper repair. While troubleshooting the issue is helpful, it's always a good idea to have a professional assess and repair any major AC problems. Getting quotes from local HVAC professionals can help you understand the extent of the issue and the costs involved in getting your AC unit back up and running efficiently.