Air conditioner condensing unit frozen ac repair now we could also be talking about a heat pump system in cooling mode.
Ac unit in attic frozen.
The two main reasons why the evaporator coil may freeze.
Feel the air coming out of the supply registers.
If your outdoor unit is frozen and you can t remember the last time you changed your air filter you might have identified your problem.
So what s the deal.
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.
You should be using a high quality air filter and replacing it every 2 to 3 months.
Turn the air conditioner to the off position and turn the fan switch to on manual on on the thermostat selector switch.
Heat pumps can freeze up in cooling mode also as a heat pump is an air conditioner in cooling mode.
This is one of the most common causes for restricted air flow through your air conditioner.
Over time your system s evaporator coil will become covered in dust dirt grime and more.
Defrost the unit by turning it off.
In the winter it s not uncommon for an outside compressor unit to freeze up if the defrost cycle on the unit is set to run too infrequently.
Check your air conditioner s air filter if your ac is freezing up.
Freeze up can also take place if freezing rain or snow accumulates on the fan blades or is allowed to sit on the exterior of the unit.
This will help aid the defrost of an icy evaporator coil and the rest of the frozen air conditioning unit.
If it feels warm the evaporator.
This component of the air conditioner transfers evaporates heat from the inside to the outside of your north america area home.
Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat.
Here are some of the most likely culprits.
Tape a tarp or large trash bag under the unit to catch the water as the ice thaws.
If you change or clean your filterper the manufacturer s instructions you ll be fine.
Once you discover a frozen unit turn off the system and turn on the blower to help thaw the evaporator coils.
Turn off the breakers to the unit to avoid short circuits.
Essentially anything that blocks airflow to the evaporator coil can lead to a frozen evaporator coil.
The dirtier an air filter gets the more it can restrict airflow through your system.