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Why is My Furnace Making Strange Noises?


Now that winter is here, you’re probably using your furnace more frequently. If you notice your furnace has been making unusual noises, read our blog post to learn about possible causes. We want to help get your furnace back in working condition so you can enjoy a warm home this winter!

Your Furnace is Making a Whining Noise

If you hear a whining noise coming from your furnace, this could indicate a damaged blower motor. A technician will be able to repair or replace your blower motor, depending on the severity of the issue. A whining noise could also mean the shafts need to be oiled. Just to be safe, contact GAC Services to inspect your furnace. We will repair any issues right away!

Your Furnace Makes a Loud Banging Noise When it Starts

If you hear a loud banging or booming noise when you start up your furnace, it could be caused by expanding and contracting ducts. It could also indicate dirty burners or a defective gas valve. It’s probably a good idea to contact a professional to determine the exact cause.

Your Furnace Makes a Rattling Noise When it Shuts Off

If you hear a rattling sound when your furnace turns off, it is most likely caused by the metal parts cooling down inside the furnace.

Your Furnace Makes a Clanging Noise

Clanging noises coming from your furnace usually indicate an issue with the pipes. The pipes sometimes contract as they cool down, causing this unusual noise.

Schedule Furnace Repairs in Maryland

It’s normal for your furnace to make noises once in a while, but if you hear unusual, loud sounds, it could indicate a more serious issue. It’s important to make sure your furnace is in working condition as the cold months rapidly approach.

Contact GAC Services for reliable furnace repairs in Maryland!

Need Service? Schedule a service with us today!

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