An air conditioner unit leaking water in the house can damage the walls and flooring. Often, the cause is as simple as a clogged drain line or a dirty air filter—repairs you can do yourself.

Poor airflow from blocked air filters can often cause the evaporator coil to freeze over. 'If your system does not receive sufficient air, it can cause your evaporator coil to freeze up,' says ...

“The leak was caused by the cold weather freezing a coil in an exhaust recovery unit, which brings air in and out of ...