One of the first things you may do when your A/C is blowing hot air is check the thermostat setting while thinking to yourself, “There must be some mistake.” Sometimes we set the thermostat to heating instead of cooling. If that doesn’t solve the problem, there could be something wrong with your system. Try to diagnose and fix the problem these troubleshooting tips.
The evaporator coil is located in the indoor air handler, usually just above the furnace in an upflow system. Cold refrigerant flows through the evaporator and extracts heat from your home. If airflow is obstructed, such as from a clogged air filter, ice begins to form on the coil, further obstructing airflow. The problem snowballs from there, and soon you’ve got an evaporator encased in a block of ice. What can you do?
If the evaporator and air filter are fine, check the outdoor half of the cooling system where the condenser coil and electric compressor are housed:
For more troubleshooting tips when your A/C is blowing hot air in your greater Cleveland home, or to schedule an A/C maintenance appointment, contact Geisel Heating, Air Conditioning & Plumbing today.