Noisy Ductless HVAC System in Greencastle, PA

Why Is My Ductless HVAC System Noisy in Greencastle, PA.?

May 22, 2024

Ductless systems can reduce energy loss by as much as 30%, according to the EPA, due to the lack of ductwork. Their quiet operation makes them ideal for creating serene living spaces in Greencastle, PA. If you ever hear any of the strange noises below coming from a ductless HVAC system, it may be best to call a professional.


Normally, most of what you’ll hear from a ductless HVAC system is the sound of air flowing into the spaces where your system’s air handlers are located. If you hear rattling, chances are that a part has become loose or broken entirely. That being said, rattling can also result from debris accumulating somewhere within the system.


Electrical issues with your outside compressor unit can cause buzzing and vibrating sounds. These problems can lead to the cooling system using larger amounts of energy, resulting in higher monthly energy bills.


Hissing noises are usually the result of air bubbles in the refrigerant line. Air bubbles are a frequent outcome of refrigerant leaks, which can be incredibly dangerous to you and your home. It’s also possible for drain lines to leak or clog, causing hissing noises.


Ductless mini-splits have belts that can wear out over time or become loose. When they do, you might hear a squealing noise.


The ductless system’s fan blades are in charge of circulating air over the exterior coils. Corrosion and weathering can damage the blades, bending or even loosening them to the point where they fall off. If this happens, you might hear a banging noise.

With 24/7 emergency services for air conditioners, furnaces, heat pumps and more, trust Care Services Inc. to fix any issues you might have with your ductless system. If you hear any of the above noises coming from your ductless AC, call us at Care Services Inc.!

Image provided by iStock

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