Should My Heat Pump Sound So Noisy in Lake Bluff, IL?

Heat pumps should work not only efficiently but quietly. If any strange sounds begin disturbing the peace of your home, we strongly recommend taking the appropriate action. Here are a few odd sounds you might hear when your heat pump in Lake Bluff, IL, is noisy and what they mean:


Your heat pump’s compressor may start vibrating or making buzzing noises when it malfunctions. If your system’s motor bearings are dirty or its coils break down, you may also notice grinding or buzzing sounds.


This noise is one of the most unmistakable signs of a refrigerant leak. It emerges because, after the leak, space exists inside of the heat pump’s refrigerant lines and air flows in to fill that space. The bubbling or gurgling that you hear is the sound of air bubbles moving through the refrigerant lines and other parts of the system.

Under no circumstances should you ever attempt to replace lost refrigerant by yourself. Refrigerant is a dangerous substance. Instead, an HVAC service technician should seal your refrigerant lines while performing either repair or maintenance services and recharge it.


The most likely cause of this noise is a loose fan blade. If the banging is rhythmic and constant, the fan is probably striking some other part of your system that it shouldn’t be striking. To deal with this issue, an HVAC service technician will have to turn off your system and closely examine its inner workings to precisely isolate the source of the noise.

Making noise is your heat pump’s way of alerting you to trouble. We can help all homeowners near Lake Bluff, IL, with these sorts of issues. Just call Carefree Comfort Inc. and schedule our reputable HVAC services today. We’ll fix your heat pump and ensure it’s running efficiently.

Image provided by iStock

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