The answer to 'furnace repair leaking water' is that a leaking furnace is usually caused by a clogged condensate drain line, a cracked heat exchanger, or improper installation. Symptoms include water pooling around the furnace, visible leaks, or water damage. To fix a leaking furnace, you may need to clear the drain line, replace the heat exchanger, or have a professional HVAC technician inspect and repair the issue.
Attempting to repair a furnace leak yourself can be dangerous if you're not properly trained, so it's generally best to call a licensed HVAC professional, especially for issues with the heat exchanger or other complex components. They have the expertise and equipment to diagnose and fix the problem safely.