If you own a furnace, you’re undoubtedly familiar with the sound of its everyday operation. You know the noise it makes when it powers on, the sound of air whooshing through the vents, and the end of the heating cycle as it powers off.
In fact, you’re so familiar with how it sounds that any out-of-the-ordinary noises come across as quite unusual and startling. Some common questions we get from homeowners about weird furnace noises include, “Why does my furnace make a loud noise when it turns off?” and “Why is my furnace clicking repeatedly?”
Let’s go over 4 unusual sounds furnaces make when they’re struggling to perform and inevitably need to be repaired.
