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Dec 2 2022

Why is My Furnace Making Noises?

There could be a lot of different reasons your furnace is making noises that range from normal to serious. Most types of systems emit at least some amount of noise even if it is very minimal but other sounds can be important indicators that something is not right with your equipment. As a homeowner, you may not be well versed in what this could mean which is why you should always reach out to a professional. Trained employees at Van Drunen Heating and Air Conditioning can help you determine if the noise you are hearing is normal, a possible sign of a smaller issue, indicative of a larger problem or even an emergency where you should leave your home. With such a wide range of possibilities rely on the professionals to help you diagnose any noises from your furnace!

Loose Parts. If you hear rattling noises, these are sounds that would be reason to believe something is moving around in the system and a part in your furnace may have come loose. It may be something as simple as a loose panel or it could be a sign of a more severe problem. It’s important to call professionals with any concerns to avoid an emergency. 

Build Up. Build up on burners can cause a popping noise. While some popping can be normal, louder or extended popping can signal there’s a build up issue so pay attention to the specifics of this sound. This can be an easy fix done during one of your regularly scheduled furnace maintenance appointments. 

Air Restrictions. If you hear a whistling noise coming from your furnace this could be an indicator that you are having air flow issues. If the air becomes restricted for some reason a whistling noise may be heard as the air tries to squeeze through the tighter opening.  

Electrical Problems. If you hear a new buzzing noise coming from your furnace this could be a sign of electrical problems. Electrical fires can be very damaging and dangerous. Call professionals at Van Drunen if you’re concerned about a buzzing noise.


One of the best ways to avoid having issues with your furnace is by staying up to date on regular maintenance. This will keep most of the above issues from occurring and also make sure your system is running in tip-top shape come the cold winter months. You can start with an at-home assessment you can do yourself to identify any areas of concern in your home. This can give you an idea of what you may need before you call the professionals but remember if you are hearing any new, concerning noises to reach out to Van Drunen right away. We can help diagnose the problem to avoid emergency situations. Your safety is our priority! 



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