how do I fix my furnace that leaks water when I have my air condtioning on?

Answer 1

Not all furnaces have condensate pumps. All central air systems DO have drain lines -- and that is the first thing you should check. It is fairly common for a drain line, or the pan, to get dirty, and clog up. You can purchase replacement line, if you cannot get your current line cleaned out.

I would also caution you to run the drain to the OUTSIDE of the home. Do not let it simply drain out UNDER the home... this creates a build-up of moisture under the home, and can cause damage over time (like warped or twisted floor joists, mold, mildew, etc)

Check the drain first, then, if you have a pump, check that.

Good Luck

Answer 2

Sounds like your drain line is plugged up, we use to have this problem with our geothermal A/C we used draino to open the drain otherwise it would over flow onto the basement floor. You might try a web search on the type furnace you have some sites will have trouble shooting suggestions, good luck.

Answer 3

Sounds like your condensate pump is not running. There should be a water line running into a catchbox for the pump....there is usually a float inside. When the float rises on the water, the pump kicks on and pumps excess water to a drain......mine goes to the Washing machine outlet.

Answer 4

Thewrangler has this one pegged!!!it is your drain line! if you do not see ice on the tubing that comes from the condenser unit outside, It is not a filter of lo refrigerant problem. Just clear the drain or replace it like thewrangler suggested.

Answer 5

it could be your condensate lines, but it could be your coil freezing up, then thawing. is your air conditioner cooling properly? it has to be one of those two things