It’s spooky season, which means you may already be on edge. When you hear a strange noise in your home, it can easily send you into a panic. Before you start swinging your bat around, though, pay close attention to the sound you’re hearing and where it’s coming from. If you hear any of these freaky furnace sounds, it’s important you know what’s causing it and how to solve the issue.
No, there aren’t ghosts or monsters in your furnace. However, it can still be a pretty scary situation. Rattling noises may indicate you have a cracked heat exchanger, which is the biggest cause of carbon monoxide leaks and shouldn’t be ignored. On a less scary note, rattling doesn’t automatically mean a carbon monoxide problem. It could also mean you have a loose panel or a loose screw that needs to be tightened. All that being said, never ignore a rattling sound. Contact an HVAC professional right away to inspect the cause of the noise and offer solutions to fix it.
2. High-Pitched Squealing or Screeching
Yikes! A squealing or screeching furnace? Talk about freaky. If you hear this sound coming from your furnace, it’s usually due to an issue with the blower or motor in your equipment. It’s possible that your blower or motor has overheated, or it’s older and worn out from years of use. If your blower has overheated, it’s likely due to dirt buildup or a bad capacitor. It’s best to contact your local HVAC contractor to come take a look and determine whether it’s something that can be repaired, or if it needs to be replaced.
Is your furnace making a scaping sound, like metal against metal? This might mean you have an issue with your blower wheel. It could also mean there’s a loose part that is scaping against other parts of your furnace. Whether it be an issue with your blower wheel or a loose part that needs tightening, it can impact the overall efficiency of your furnace. Don’t wait to contact an HVAC professional if you notice scraping.
If your furnace bangs when it shuts off, it could be due to a dirty air filter that needs changed. When your filter is dirty, it restricts airflow and causes warm air to back up into your furnace. This can cause the metal of your ducts and your furnace to expand. But once the heating cycle stops and the metal panels cool, it can produce this banging sound you’re hearing. All that being said, you shouldn’t ignore a banging noise. Have an HVAC professional come inspect your unit, determine the cause of the noise, and offer solutions to fix it right away.
Do You Hear Any Of These Freaky Furnace Sounds? Cool Touch Is Here For All Your Furnace Needs In the Phoenix and Prescott Valley Metropolitan Areas!
We are here for all your furnace needs in the Phoenix and Prescott Valley Metropolitan Areas! For over 20 years, we have been your trusted home comfort specialists for all things HVAC, plumbing, and indoor air quality. Contact us today to schedule your maintenance appointment by visiting us online here.
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