In this case it isn t actually your furnace leaking it just appears to be.
Furnace in attic leaking water.
None of these outcomes are things you want to have in your home.
Sometimes the ac and the furnace share an internal drain and if there s something plugging up the drain which can happen if dirt and dust collect in there the condensation your hvac system produces inevitably overflows and leaks onto the floor under the furnace.
They also have to drain the water.
These devices are hooked up to your plumbing system in order to add moisture to the air.
Another reason for your furnace leaking water is a break or clog in the humidifier.
Most people assume this is caused by a leaking roof but that might not be the source.
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.
And along with the furnace comes the central humidifier which can also be a source for leaks.
Water found in these places is commonly caused by condensation in the attic.
Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.
Over time algae can grow inside of this drain line causing backups or clogs.
With these systems condensate leaks can lead to a big 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.
If there is too much water in your attic then it might lead to mold in your insulation floor joists that begin to rot ceiling leaks and fixture damage.
If any type of breakage occurs or they get clogged water will start dripping around the furnace.
As a result water can drip down onto your furnace or the nearby floor again making it appear that the furnace is actually leaking.
Finding water damage on the wall or ceiling is worrying for any homeowner.
There are many parts in the furnace that can leak drip or crack causing a water leak.
Water leak at indoor unit.
We noticed water dripping from the end of the exhaust pipe where it goes into the furnace it is covered with a black foam type cover and the water was coming between the cover and the pipe the pip goes up into the ceiling and turns and goes across the garage attic and exits at a hole in the side of the outside wall.
And if your unit is in an attic or a finished basement this can cause terrible damage.