- Not cooling or not heating Have it checked
Loss of heating or cooling can come from refrigerant, compressor, thermostat, airflow, or control faults. This is usually a repair call for your...
- Weak airflow or no airflow Routine
Reduced airflow is often a clogged filter, a failing blower, or a duct problem.
- Water leaks or heavy condensation around the unit Have it checked
Water around a unit is commonly a blocked condensate drain, a coil issue, or high humidity. Left alone it causes water damage and mold.
- Cooling tower problems (no flow, scale, drift, registration) Address promptly
Cooling towers carry both mechanical and public-health risk, including Legionella, so flow, scaling, and water treatment problems should be corrected...
- Unusual noises, vibration, or short cycling Have it checked
Noise, vibration, or rapid on-off cycling usually means a bearing, belt, refrigerant, or control problem.
- Refrigerant leak or system keeps needing recharges Address promptly
A system that keeps needing refrigerant has a leak. Large commercial systems can carry federal leak-repair and record-keeping obligations, and some cities...
Describe it in your own words
Not sure which one it is? The interactive Problem Solver can match a plain description to the likely problem and show the local rules for your building.
Open the Problem Solver