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 frozen outside line.
The freeze can easily back up all the way to your condenser unit outside causing problems.
Without the hot air moving over the proper parts a broken blower fan can also cause a refrigerant line to freeze too.
Ice on your outside air conditioner pipe is actually a sign of 2 ac problems.
Part of your air conditioner s job is to dehumidify your air by removing excess moisture.
The first step in repairing your air conditioning unit and preventing freezing is to inspect the cold air line for any tears or damage to the insulation.
We get this question a lot from twin cities homeowners.
Chances are your indoor unit s evaporator coil is frozen solid and cold liquid refrigerant is flowing to the outside unit through the refrigerant line which is why it s covered in ice.
Be careful to not bend the fins.
Clean the inside unit using a lower pressure air line or a vacuum cleaner.
Causes for central air conditioner freezing up.
4 reasons why your ac line is freezing up 1.
Low airflow over the evaporator coil.
Your ac sucks the water out of the air and it collects on the condensate coils.
These are thin strips of metal that are easily bent.
With the power to the unit off use a medium pressure hose to wash dirt from the fins in the outside unit.
Typically the too 3 are.
If your refrigerant line is frozen be careful.
In such a case the refrigerant may cause the air outside the line to condense and then freeze.
Or in this case a bad blower motor.
There are many reasons why the blower will freeze up.
Trim grass and remove debris from around the unit.
So what s the deal.
Dirty filter low freon refrigerant.
During normal operation water vapors may condense on the outside of the lines carrying the refrigerant.
And you re right to be confused it s definitely not normal to see ice on your air conditioner refrigerant pipe when it s 90 outside.
Clogged air filter coils or obstruction in front of return.
But when the pressure changes for some reason the refrigerant may start to act abnormally.
The most common cause of frozen acs is also the easiest to fix.
If your air conditioning line is frozen not only will this result in a block of ice covering your evaporator coils preventing any air from passing through it can really damage the heart of your system which is the compressor.
Air conditioning services in orlando.
The cooling line for your air conditioner will run directly from the ac unit outside to the furnace fan and will usually be covered in black insulation.
Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat.