Why water forms in a central air conditioner indoor unit part of your air conditioner s job is to pull humidity from the air.
Water leaking from ac unit in attic.
A clogged condensate drain line can occur for a few reasons but especially if your air conditioning system is installed in the attic or on an upper level in your home.
The second thing to do is contact a professional ac repair company to assist you because leaking water from the unit can be more confusing than expected.
The drain pipe is clogged a clogged drain pipe is the most common cause of standing water in the drain pan.
There is often condensation created from the units dehumidifying process but collected water and leaking is a different thing.
The most common cause of an air conditioner leaking water is a clogged condensate drain line.
This humidity is left behind in the form of condensation on the coils.
There are multiple unclogging methods like using a wet dry vac on the condensate line.
Most people assume this is caused by a leaking roof but that might not be the source.
Water found in these places is commonly caused by condensation in the attic.
With these systems condensate leaks can lead to a mess but it s nothing compared to a condensate leak that occurs at an air conditioner in an attic or really any place that has finished space.
Finding water damage on the wall or ceiling is worrying for any homeowner.
In that case you ll need to unclog it.
If the drain line gets clogged with dust dirt sludge or mold that water backs up into your home.
It is connected to the condensate drain pan which is where the water builds up before being expelled through the line.
Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.
As air passes over the evaporator coils in your air conditioner it cools down and loses some of its humidity.
This line is responsible for allowing condensation to escape from your air conditioner.
The inside unit s blower pulls in hot humid air through the return grille and over the inside unit s cold evaporator coil pictured above to cool the air down.
Over time algae can grow inside of this drain line causing backups or clogs.
Sometimes when systems are installed in these areas problems with the condensate drain can cause water to overflow from the drip pan and into the air ducts or air vents.
The air handler itself should have a secondary drain pan installed under the air handler in case if the air handler leaks then the secondary drain pan will catch the condensate and take it to another drain.