Air Conditioner Freezing Up Outside Unit When Heat Is On

One of the common ac problems is the unit freezing up.

Air conditioner freezing up outside unit when heat is on.

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. This is why your air conditioner freezes up so it s 93 degrees outside and your air conditioner froze up. Turn off the breakers to the unit to avoid short circuits.

When you experience a freezing air conditioner it is important to determine what is causing it. You can detect this when you notice frost on the copper tubing of the unit or on other components of the ac. Step 1 defrost the unit by turning it off. Air conditioners are designed to function in a very specific temperature range.

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.