Check the vent filters to see if they are clogged and restricting air flow.
Central air refrigerant line frozen.
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.
While a frozen air conditioner can be caused by different things and may require the expertise of a qualified hvac technician to fix there are some things that you can try yourself first.
Whether you have a window unit or a central air conditioner unit.
Causes for central air conditioner freezing up.
In the outside unit.
Clean the inside unit using a lower pressure air line or a vacuum cleaner.
When the lines are frozen the ac unit usually fails to deliver cold air at the desired temperature.
During normal operation water vapors may condense on the outside of the lines carrying the refrigerant.
How do you fix a frozen air conditioner.
So what s the deal.
This means extra stress on your ac system.
But when the pressure changes for some reason the refrigerant may start to act abnormally.
Warm air blows over the evaporator coil refrigerant removes the heat from the air and then cold air is pushed back in your home.
It is important to address this issue a frozen air conditioner will not only cool.
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.
An evaporator coil in a central ac unit.
In such a case the refrigerant may cause the air outside the line to condense and then freeze.
Examine the vent filters.
Low refrigerant means low pressure and low pressure means low temperatures that will eventually freeze something called an evaporator coil.
Pay extra close attention to the connection at the venting system and near any bends in the line.
Use a flashlight to check the fins.
Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat.
Or it may need to work harder to reach the expected temperature.
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.
This issue is a sign that your system is not working properly.
If your air conditioner is already not working you can simply look for an ice build up on the.
When the evaporator coil freezes cold liquid refrigerant flows through the refrigerant line causing the surrounding moisture in the air to freeze.
How to repair a frozen up central air conditioner unit.
There are a number of reasons for an air conditioner to freeze up and it really doesn t matter whether it is a window ac unit or a central air conditioner the causes of and solutions to an air conditioner that keeps freezing up are exactly the same.
Trim grass and remove debris from around the unit.
Clogged air filter coils or obstruction in front of return.
If light can pass through the fins.
