Why Is My Furnace Leaking Water in Essex, MD?

Your furnace is an essential part of your home when winter hits in Essex, MD. If you notice water leaking around your furnace, it’s a sign of a bigger problem. You’ll need to work with a professional to identify the cause, which could be any of the ones listed here.


The most common cause of furnace leaks is condensation. This usually happens during the winter in Essex because heat rises and forces water out of the vents. Your furnace has systems in place that help water drain away from the system. If you notice water on the floor or wall around your furnace, it’s safe to assume something isn’t working correctly.

Humidifier Problem

A problem with the humidifier can also lead to a leaky furnace. This is a sign of a potential loose or damaged pipe. Scheduling regular furnace maintenance helps you find the problem before contaminated air leaks into your home.

Clogged Filter

Failure to change the air filter results in accumulated dust, allergens and other debris. This causes the furnace to work harder to warm your home, leading to a build-up of condensation. The result is water leaking onto the floor around your furnace.

Secondary Heat Exchanger

Your secondary heat exchanger is a chamber found on your furnace that helps it regulate your home’s temperature. Over time, calcium carbonate clogs this chamber. When the chamber fills with calcium carbonate and other debris, you’ll notice an increase in condensation on the floor around your furnace.

It’s not always easy to know if a leak means you need a repair or replacement. A professional can identify the problem and provide a solution for your leaking furnace. Whether you need to schedule a repair or new furnace installation, contact our team at Hughes Mechanical, LLC.

Image provided by iStock

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