Attic Furnace Leaking Water

Furnace is leaking when ac is on 1.

Attic furnace leaking water.

It s not furnace season so it shouldn t be the furnace that s leaking all the water. 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. 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.

They also have to drain the water. And along with the furnace comes the central humidifier which can also be a source for leaks. You can prevent slime and eliminate drain tube clogs in two easy steps. If any type of breakage occurs or they get clogged water will start dripping around the furnace.

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. Finding your furnace leaking water may. Improperly designed vent pipe. There could be a few reasons why your furnace is leaking water but let s start with the most likely one.

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. 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. Water leak at indoor unit. Is your furnace leaking water when the ac is on.

The heat from an attic in the furnace doesn t always feel comfortable. And if your unit is in an attic or a finished basement this can cause terrible damage. Over time algae can grow inside of this drain line causing backups or clogs. Another reason for your furnace leaking water is a break or clog in the humidifier.

When you see water puddling around the furnace with the a c running you have a clogged condensate drain tube. There are many parts in the furnace that can leak drip or crack causing a water leak. These devices are hooked up to your plumbing system in order to add moisture to the air. Condensation from air conditioning coils contains bacteria that can form slime and clog the condensate pan drain tube.

An easy way to tell if you have a high efficiency furnace is to look at.