Also it is possible for dirt or debris to become lodged inside.
Air handler in attic leaking water.
As the air passes over the colder metal moisture in the air will condense on the cooling fins.
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.
If water fills up the pan a float shuts off the air conditioner.
However the simplest answer may not always be the only answer.
Unfortunately this can get blocked and can result in leaks.
The collected water then drips down the fins and into a lower collection pan.
When there is water buildup in your air handler drip pan the first place to look is to a clogged condensate line.
From this pan the water is sent outdoors through a pipe.
Clogged drain line every air conditioner has a drain line for water to pass through until it reaches the drain.
The bottom of the trap is the most common source of a clog and it can be cleaned out with a long flexible cleaning brush and flushing water down the cleanout cap.
In warmer weather you ll find water staining in these same areas.
There are 2 air handler units in my attic and i have water in both drip pans which appear to be draining ok.
And if your unit is in an attic or a finished basement this can cause terrible damage.
This type of device is quite simple and effective and this is the most common method used in minnesota attics.
In cold weather you may see frosty areas in the insulation caused by warm moist air condensing and freezing as it hits the cold attic air.
Keep in mind it doesn t take much dirt to clog a drain.
There are several components to the air conditioning system that may be contributing to the fact that your condensate line is clogged.
Air handler in attic leaking hello.
If water is dripping from your ceiling and your furnace and or air handler is located in the attic the most likely cause is a clogged condensate drain line.
However there is a leak on one of the units coming from what i would call a box on the end made of aluminum foil coated material and aluminum tape on the joints.
The blower fan pulls air from the interior space and passes it across the cooling evaporative coil.