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Residential Heating and Air Conditioning Blog

Why Is My Furnace So Loud?

Now that winter is here, you’re using your heater more than you have in a while. In a perfect world, this would cause no upsets, but in our real and flawed world, you might notice that your furnace is acting up a little this season. One of the ways your furnace might cause trouble is through the amount of noise it emits. Loud furnace noises are something that should be addressed as soon as possible. 

We’re here whether you need furnace repair or furnace installation in Minnetonka, GA. today, we’re going to let you know everything you need to know about furnace noises, the different types, their potential causes, and what you can do about these issues. 

Types of Furnace Noises

Not every noise that you’re going to hear coming from your furnace is going to be the same as everyone else’s. Here are a few noises that you might hear. 

  • Screeching 
  • Banging
  • Popping
  • Squealing
  • Scraping

These are the most common types of furnace noises that you might hear coming from a problem furnace. If the furnace sound you’re hearing isn’t listed here, we want you to remember this–any noise that’s new or alarming is a cause for concern. 

Causes of Furnace Noises

We’ve listed out some of the most common noises that you might hear coming from a troubled furnace system. Now we’ll get into why they might occur. You should never have to worry about the source of these issues when you have a team like ours on your side. We’re committed to helping you.


If you hear a screeching sound, then it’s likely that you have troubles with your home’s motor bearings. Sometimes, it’s something as simple as needing lubrication, and other times you might need to replace parts. We’ll help you in either scenario. 


Banging is a sound that you’re sure to notice right away because it’s so alarming. Banging is an issue because it can cause trouble with a combustion-based system. You might be hearing the sound of excess gas being in your heater’s chamber. 


Popping is a sound that’s a little different than banging. If you’re hearing tinny, popping noises, then it might be the sound of your home’s ductwork expanding and contracting. This is something that should happen when you first turn on your heater. It’s the metal reacting to the change in temperature. A persistent popping sound is likely related to having bad ductwork. 


Squealing is something that you might hear if you have moving parts in your heater that are worn out. You’re literally hearing the sounds of your home’s motor bearings struggling to perform. We can pinpoint the source of this problem and fix it ASAP.


Are you noticing a metal on metal scraping sound? This is something that you’ll notice when parts are misaligned. You’re likely hearing the sound of a part scraping along the inside of your heater.

How Do I Quiet a Noisy Furnace?

The only way to quiet a noisy system is through the care of a professional. We’re prepared to help you when you need the proper care. Professional service is great because it takes all the guesswork out of your furnace care as well. Get in touch today to schedule an appointment. 

Contact Residential Heating and Air Conditioning for your furnace care this winter. 

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