Why Is My Air Conditioner Running But Not Cooling Properly?

Your AC can run but not cool when airflow or refrigeration is compromised. Common causes include a clogged filter, dirty outdoor coil, low refrigerant, thermostat mis-settings, or a failing blower. Try these quick checks:

• Set thermostat to Cool and 3–5°F below room.
• Replace or clean the filter.
• Clear leaves from the outdoor unit.
• Open supply and return vents.

If ice is on the lines, turn the system off and call. Boehmer Heating & Cooling services all major brands in Pittsburgh and offers 24-hour response with in-stock parts.

Updated: 2026-01-02 00:00:00

Need help in Bakerstown, PA? Call (412) 254 4979 or book online.