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.
Ac unit in attic frozen.
This is one of the most common causes for restricted air flow through your air conditioner.
This will help aid the defrost of an icy evaporator coil and the rest of the frozen air conditioning unit.
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.
Turn the air conditioner to the off position and turn the fan switch to on manual on on the thermostat selector switch.
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.
If you change or clean your filterper the manufacturer s instructions you ll be fine.
The evaporator coil is the component of a central a c unit that actually freezes.
Air conditioner condensing unit frozen ac repair now we could also be talking about a heat pump system in cooling mode.
The two main reasons why the evaporator coil may freeze.
Feel the air coming out of the supply registers.
Turn off the breakers to the unit to avoid short circuits.
Defrost the unit by turning it off.
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.
You should be using a high quality air filter and replacing it every 2 to 3 months.
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.
So what s the deal.
We re no stranger to frozen outdoorair conditioner compressors.
If it feels warm the evaporator.
Once you discover a frozen unit turn off the system and turn on the blower to help thaw the evaporator coils.
This component of the air conditioner transfers evaporates heat from the inside to the outside of your north america area home.
Over time your system s evaporator coil will become covered in dust dirt grime and more.
After the ice thaws hand dry the unit and let it stand to dry for 24 hours.
Your outside air conditioning refrigerant line is covered in ice which seems crazy in arizona heat.