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.
Furnace in attic leaking water.
There are many parts in the furnace that can leak drip or crack causing a water leak.
If any type of breakage occurs or they get clogged water will start dripping around the furnace.
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.
Another reason for your furnace leaking water is a break or clog in the humidifier.
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.
Most people assume this is caused by a leaking roof but that might not be the source.
Over time algae can grow inside of this drain line causing backups or clogs.
And if your unit is in an attic or a finished basement this can cause terrible damage.
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.
As a result water can drip down onto your furnace or the nearby floor again making it appear that the furnace is actually leaking.
These devices are hooked up to your plumbing system in order to add moisture to the air.
And along with the furnace comes the central humidifier which can also be a source for leaks.
Water leak at indoor unit.
Finding your furnace leaking water may.
Finding water damage on the wall or ceiling is worrying for any homeowner.
They also have to drain the water.
None of these outcomes are things you want to have in your home.
The heat from an attic in the furnace doesn t always feel comfortable.
Fixing this issue can be less costly than replacing a roof but it should be addressed as soon as possible.
Water found in these places is commonly caused by condensation in the attic.