A clog in the drain line of an attic ac unit is a homeowner s worst nightmare.
Ac unit in attic leaking water.
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.
Any ductwork that is installed in an attic must be either wrapped with insulation or you must use flex duct which is already insulated.
Blocked drain trap or pan.
So you now know 10 reasons your ac unit could be leaking below are 9 additional methods to help prevent water damages from occurring due to leaking units.
The indoor ac unit in many phoenix area homes is attached to your furnace and located in the attic.
With the unit turned off inspect your drain pan and pipe for leaks.
Additional causes for ac unit water leaks.
It can potentially cause extensive and expensive water damage.
A malfunctioning or dirty condensate pump can also cause water leakage from your ac system flooding your attic or basement.
The ac compressor is leaking water.
But the secondary pan has water and it is draining.
Cracked or overflowing drain pan your drain pan is located underneath your indoor air handler which houses your evaporator coil and catches any condensation from your air conditioning unit.
A powerful wet dry vac and proper hose attachment can take care of most jobs.
If the metal anywhere on the ductwork is exposed to ambient air from the hot attic then it will cause the ductwork to sweat leak and cause damage in your 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.
Please make sure all ductwork is insulated.
The pipe is usually connected to your drip pan and discharges the condensate outside.
The primary pan is totally dry no condensation water.
But con read more.
Water leaks can also be caused by the following issues.
Drain line moved or not positioned down.
So what is causing the water leak.
A clogged condensate drain line is the most common cause of water leaking from your ac into your home.
You can also help prevent clogs from occurring in the future.
Other potential causes of ac water leakage.
Due to the continual presence of water mold and mildew can grow inside the unit causing it to clog.
Luckily it is usually easy to clear out a clog.
There are multiple unclogging methods like using a wet dry vac on the condensate line.
Therefore your ceiling leak may appear to be originating from your furnace when it is actually coming from the air handler or indoor air conditioning unit.
This is about a bryant ac installed in the attic.
The most common sign of your ac leaking water is water stains or yellowing on your ceiling near the air vents not a good look.