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.
Attic furnace leaking water.
Improperly designed vent pipe.
It s not furnace season so it shouldn t be the furnace that s leaking all the water.
And if your unit is in an attic or a finished basement this can cause terrible damage.
Water leak at indoor unit.
The heat from an attic in the furnace doesn t always feel comfortable.
None of these outcomes are things you want to have in your home.
In this case it isn t actually your furnace leaking it just appears to be.
High efficiency furnaces those with an annual fuel utilization efficiency afue rating of 90 percent or higher have cool exhaust and as a result they produce condensation.
There could be a few reasons why your furnace is leaking water but let s start with the most likely one.
Is your furnace leaking water when the ac is on.
Condensation from air conditioning coils contains bacteria that can form slime and clog the condensate pan drain tube.
You can prevent slime and eliminate drain tube clogs in two easy steps.
What you have going on.
Finding your furnace leaking water may.
These devices are hooked up to your plumbing system in order to add moisture to the air.
If your conventional furnace is leaking water it s most likely because of 1 of these 3 reasons.
Over time algae can grow inside of this drain line causing backups or clogs.
Leaky humidifier if your furnace has a built in humidifier and the humidifier is clogged or has a leak somewhere in it then that could explain the water pooled.
Furnace is leaking when ac is on 1.
And along with the furnace comes the central humidifier which can also be a source for leaks.
There are many parts in the furnace that can leak drip or crack causing a water leak.
When you see water puddling around the furnace with the a c running you have a clogged condensate drain tube.
Another reason for your furnace leaking water is a break or clog in the humidifier.
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.
An easy way to tell if you have a high efficiency furnace is to look at.