Keep your AC from freezing solid ATTACH
Backlinks: HVAC filter change
When the AC is pulling too much condensation out of the air, the system can actually can actually freeze solid, as it did today.
You'll know because it's not getting colder. The trick is to keep the fan set to auto. That will keep enough airflow over the condensor so it doesn't actually freeze.
Here's what the inside of the heat exchanger:
and on the outside:
The other thing to make sure is that filter it clean.