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Plumbing, Heating & Cooling Serving all of Chicagoland


Insights from an Addison Furnace Repair and Installation Company: Six Reasons Your Furnace is Leaking Water


Ideally, we’d all want our home appliances to work without any surprise mishaps, but that’s rarely the case.

In fact, problems can arise at any time out of the blue, leaving us to deal with an appliance that needs an immediate repair.

For furnaces, leaks are a relatively common issue. If you notice a leaky furnace in your Addison home, you’ll likely want to call a furnace repair and furnace installation company to come and diagnose the problem.

However, it’s always better to stay educated about the various critical components involved in the furnace, so you can catch any warning signs before they turn into major issues. In this post, we’ll discuss six major reasons for water leaks in your furnace:

Clogged Filter

A dirty or clogged furnace filter will prevent smooth airflow through the furnace coil, which can cause the coil to freeze. In turn, this can lead to a leak, and a pool of water can form around the furnace. So, it is important to regularly clean and replace the filters if they are dirty. Also, ensure that the filters are replaced during the annual maintenance of the furnace to avoid any water leakage and furnace downtime during the peak winter months.

Heat Exchanger Malfunction

A heat exchanger malfunction is diagnosed after eliminating all other possible causes of a leak. A licensed technician can advise you on the further course of action for the furnace, and if a new heat exchanger needs to be installed. Unfortunately, this could be one of the more expensive repairs, but it’s sometimes unavoidable.

Air Conditioning Leak

Although not applicable for severe climates where the furnace is used throughout the winter season, some temperate regions alternate the use of the furnace and the air conditioner during the same season. If this is the case, the condensation pan can fill up and drip into the heating system. When the water leak is noticed, it appears to be a furnace leak, but is actually the air conditioner.

Humidifier Leak

To maintain indoor comfort and to avoid the air from getting excessively dry, a humidifier adds moisture to the air. A clog or a breakdown in the humidifier will result in water surrounding the furnace.

Plumbing Leak

A leaking furnace could also indicate that there is a problem with the plumbing system, which may have nothing to do with the furnace. However, since the plumbing is supporting the heating system, it appears as if the furnace is leaking. This might not necessarily be a bad thing, since it indicates that all the parts of the furnace are working fine. The leak, in this case, could be due to a broken or clogged pipe that might have backed up the drainage. The leak can be fixed by either repairing or replacing these pipes.

Condensation Leak

This is the most common reason for a furnace leak. Many furnaces run at high efficiency, and therefore, need to have two heat exchangers that help it to produce more heat. Condensation produced by these heat exchangers is carried outside via pipes. If these pipes are clogged or damaged, then there will be condensation accumulated, which can result in a pool of water around the furnace. This could possibly cause more damage, which is why it’s best to have a professional technician diagnose and rectify the problem.

Do You Need Your Furnace Serviced or a New Furnace Installed in Addison?

Do you need your furnace replaced or repaired? Are you looking to install a new furnace? In either case, you are looking for a qualified HVAC professional in Addison.

Lifeline Plumbing, Heating & Cooling has the answers to meet all your requirements. We have a team of certified and highly skilled experts who can get your furnace repaired, serviced, and functional.

Contact us today to schedule an appointment!