As air passes over the evaporator coils in your air conditioner it cools down and loses some of its humidity.
Ac drain pan in attic full of water.
Once that water has gathered in the drain pan it drains out of your home via the condensate line and is dumped outside via the condensate drain.
There are several reasons why the condensate line will clog and then the drip pan will fill with water.
If water is.
As a homeowner you know finding water somewhere it s not supposed to be is usually a bad sign.
All it means is that your ac is working hard to dehumidify your home.
This humidity is left behind in the form of condensation on the coils.
The humid conditions inside the refrigerant coils and pipes are the perfect breeding ground for algae and mold which can clog the drainpipe over time.
If not taken care of a clogged drainpipe can create serious mechanical problems for the air conditioner and the first sign of that is a drain pan that is full of water.
The evaporator will then not operate properly and the humidity level will be higher in your home and in the air handler.
When the warm air passes over the cold coils it condenses the moisture vapor into water.
When not taken care of promptly a clogged drainpipe can cause serious mechanical problems for your air conditioner.
If you can t figure out why your ac drain pan is full of water trust the plumbing experts at john c.
Use a wet dry vac to remove the standing water from the drain pan.
Remove the cap from the condensate line.
However when it comes to your air conditioner s drip pan also known as the drain pan the presence of water is perfectly normal but only if it s flowing out of the pan.
In a functional hvac system the condensate pump automatically turns on when it comes into contact with water.
If not visible use the wet dry vac to clear the blockage from the pipe.
Inspect for visible blockage.
Small amounts of water in the ac drip pan is perfectly normal.
This water travels down a small pipe where it ends up in the drip pan.
If visible clear the blockage with a thin wire.
If your ac system has a drain pan check it regularly to see if there s any standing water.
If you ever find your drip pan full of stagnant water it usually means your drainpipe is clogged.
So if it s humid out and you notice water pooling in your yard around the condensate drain this is normal.
The drain pipe is clogged a clogged drain pipe is the most common cause of standing water in the drain pan.
Check the drain line for leaves and other debris where it exits your home.
Emptying standing water from the drain pan on a regular basis will help prevent the growth of algae which is one of the major causes of clogs in ac drains.