I went to an up/down style duplex intending to remove some ceiling to let the insides dry out from a leak only to find that the leak had not been stopped and... LeakyHumidifier.This condensation can leak out of your furnace into the surrounding area, bringing waterleakage into your home. To see if the vent pipe is the source of the leakage, follow these steps: Examine your flue pipe. Do you see waterleaking from it? Learn howto repair furnacehumidifier with our DIY guide.No Water: The water supply valve is off or the water line is clogged. Find the small saddle valve on your water pipe and make sure the handle is parallel to the pipe (open). You see waterleaking or pooling around the furnace. Furnacehumidifierleaks can cause high water bills. Why afurnacehumidifier is good to have. If the air in your home feels uncomfortable, it’s easy to first point a finger at the temperature and head over to the thermostat and make temperature adjustments. Howto prevent furnacehumidifier problems. Professional furnace maintenance and repairs in Calgary. Reasons why your furnacehumidifier is leakingwater—with fixes. If you’ve recently noticed waterleaking from your furnace, you’re probably wondering why, and more importantly, howto fix it. The answer to both of these questions depends on whether you have a high-efficiency (condensing) furnace or a conventional (non-condensing) furnace. Furnaces produce water through combustion, and moisture in the air also forms condensation on them.