Attic Furnace Leaking Water

The drain is clogged.

Attic furnace leaking water. We had a brand new air conditioning unit installed about 9 months ago. High efficiency furnaces extract heat from the combustion gases for a longer period of time than a standard efficiency furnace does causing the gases to cool then condense. When you see water puddling around the furnace with the a c running you have a clogged condensate drain tube. It s usually easily visible on the outside of the furnace.

Look for leaks or a clog at the water tap line drain line water feed tube and the outside casing of the humidifier. If any type of breakage occurs or they get clogged water will start dripping around the furnace. Check your furnace to see if you have a built in humidifier. Plumbing and appliances while not a likely factor in an attic based hvac system furnaces located in the basement are sitting amid a literal waterworks.

These devices are hooked up to your plumbing system in order to add moisture to the air. Air handler leaking water in the attic on to ceiling. Condensation from air conditioning coils contains bacteria that can form slime and clog the condensate pan drain tube. The air handler is in the attic and about two months after installation we saw water damage in the ceiling.

Possible causes of leak again the most common reason for a leaking furnace is a condensation leak. Suction line missing armaflex insulation condensate pump unplugged drain line moved not pitched downward floor drain clogged with dirt leaking boiler drain. Here are a few of the reasons why you may see water under your furnace in the summer months. Also it is possible for dirt or debris to become lodged inside.

The condensation is routed to a floor drain. Another reason for your furnace leaking water is a break or clog in the humidifier. 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. You can prevent slime and eliminate drain tube clogs in two easy steps.

Over time algae can grow inside of this drain line causing backups or clogs. 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. A clogged drain is probably the most common reason why your furnace appears to be leaking in the summer months.