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5 Noises Telling You To Fix Your Furnace

Beware of These Potentially Serious (or Even Dangerous) Furnace Noises That Need Immediate Attention

It's common for your furnace to make different kinds of noises now and then. But there are some noises you should always look out for because they tell you that your furnace has problems.

But do you know what those unusual, potentially dangerous noises that your furnace could make are? If you don't, you should definitely broaden your knowledge about these noises right away, as it will help you detect issues quickly and take action at the right time. Most importantly, this will prevent your furnace from further damage.

So, here is a quick look at five potentially serious furnace noises that you should be familiar with.

#1. Rattling

At times, your furnace will produce a rattling noise. This could indicate that the wheel of your blower is not operating correctly, which is either because the wheel has gathered dirt or it has screws loose somewhere. If this is what the issue is, it can be easily fixed. Get it done.

#2. Booming

Do you often hear a loud boom? If you do, your furnace requires immediate attention because such noises could arise due to delayed ignition. When the burner doesn't function properly, it allows gas to build up in the furnace chamber and a small gas explodes as a result.

If you hear such a noise coming from your furnace, you should turn off your system and call a professional for help.

#3. Squealing

Many times, a furnace squeals – in the same way as pigs do. It can happen when the blower has some problem. Either the blower belt might have dislocated or the motor bearing might need some oiling. If that's the case, you don't have to worry much. But still, you should get it fixed as soon as possible to avoid any further harm to your furnace.

#4. House-Shaking Rumble

You might have heard the sound of an earthquake on TV or radio. Sometimes, your furnace can make such rumbling sounds too. And when it does, you should take action. Such a noise is caused due to the presence of dirt in the burners or error in the setting of gas pressure.

In this case, you should get in touch with a technician and have your system inspected for potentially harmful issues.

# 5. Whistling

Whistling sounds good to the ear. But when it comes from your furnace, attention must be paid. Such a noise is produced when the air filter is congested with dirt. If you want to avoid this, you should replace the furnace filter with a new one, at the interval of every 3 months. A clean air filter boosts the flow and quality of air and keeps the whistling noise away.

Some furnace noises need an easy fix to go away. But many others, as mentioned in this article, raise an alarm. Familiarize yourself and your family with such strange noises and take them as early signs of potentially dangerous issues that may cause further damage to your furnace. As soon as you hear weird noises coming from your system, give your service technician a quick call for inspection. Also, make sure you get HVAC maintenance at least once a year to keep your furnace noise-free in winter.