4 Heating Noises and What They Mean

Even if you have a recently installed furnace in your Indian Wells, California, home, you might notice that your heating system makes strange noises. Paying attention to when you hear these noises can help you determine the cause. Take note if it’s when you turn on the unit, after it has run for a bit, or right after you turn it off. From there, you can determine whether your heater is making one of the four most common heating noises and what they mean.


Clicking noises tend to mean that your furnace has problems with the heat exchanger or ignition. It’s best to have someone look at your HVAC system as soon as possible to see if you just need a tuneup or have bigger issues. It’s never a good idea to ignore a new sound coming from your heating and cooling system.


Grinding can signal that your HVAC unit and its moving parts need lubrication. It might also mean that a stationary part is interfering with a moving part. Occasionally, parts might come loose and get lodged in the blower.


When you start your furnace, do you hear a popping noise? This might signal a burner struggling to ignite the fuel. It can cause the fuel to build up, and when the burner finally ignites, the excess oil or gas will combust and make a popping noise. If you hear popping noises when your furnace cycles off, that might be due to the air ducts popping as they expand and contract with the temperature changes.


If you haven’t turned on your furnace in a while, you might notice a rumbling noise, and that’s normal. However, if you’ve run the unit several times and still notice a rumbling noise, it might be due to an issue with the blower wheel. You might also have problems due to a faulty burner.

Don’t wait until these early warning signs become bigger issues. At All Knight Heating & Air Conditioning, Inc., we can help you diagnose the sounds coming from your furnace. Call us at 760-772-4947 and we can send a technician out to check on your unit.

Image provided by Shutterstock

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