You might expect any number of issues with your furnace, from a malfunctioning thermostat to a clogged filter. One problem that can catch homeowners unaware is a furnace leak. If it’s not dealt with, this issue can lead to mildew and mold in your basement and damage furnace components. Learn some of the common causes, so you can easily identify the problem and communicate with your HVAC contractor.

How to Deal With a Furnace Leak

1. Condensation

If your HVAC system uses a high-efficiency furnace, condensation is one of the most likely causes of leaking. It produces a cool exhaust that causes water to collect. If the system is working correctly, it should be channeled to a floor drain. A jammed or broken drain line or a clogged floor drain could cause leakage, but this problem should be easy for a contractor to resolve.

2. Malfunctioning Equipment

Other potential problems in high-efficiency models include malfunctioning condensate pumps and humidifiers. If either of these components goes on the fritz, you could see water puddling around the base of your furnace. Because electrical components and water are involved, don’t try any do-it-yourself fixes. Instead, contact a professional who can safely assess and deal with the problem.

3. Poor Ventilation

Conventional furnaces have a metal flue that removes excess gases from combustion. If it’s too large or doesn’t have any slope, the gases may cool before they escape, leading to condensation on the flue walls. The water can leak back down the pipe, into the furnace, and onto the surrounding floor. Inspect the flue pipe to determine if it’s venting improperly or the issue is with the humidifier instead.

Deal with any condensation, equipment, or venting problems right away to protect your furnace and your basement. If you live in Anchorage, AK, and need help with your HVAC system, you can rely on the professionals at Muotka Mechanical. They offer boiler replacement, furnace service, and water heater repair. Request a free estimate by calling (907) 344-8825, or visit their website to learn more about their HVAC services.