Air Conditioner Freezing Up Outside Unit When Heat Is On

If you are running your air conditioner when the outside air is below around 62 degrees then the pressures inside of your system will drop and this can cause a freeze up of your central air conditioner.

Air conditioner freezing up outside unit when heat is on.

Whether you have a window unit or a central air conditioner unit you can troubleshoot some simple repairs for a frozen up system quickly and save some money. When this happens the cool air will not be discharged properly and eventually a huge block of ice may built up on the evaporator coil. Sometimes you may notice that your air conditioner freezes up after some time of operation. Step 1 defrost the unit by turning it off.

There is literally ice on the outdoor unit even in this incredible heat. You will notice that there is less airflow coming from the air ventilation as ice began to clog the air movement. This is why your air conditioner freezes up so it s 93 degrees outside and your air conditioner froze up. Air conditioners are designed to function in a very specific temperature range.

Turn off the breakers to the unit to avoid short circuits.