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The Unique Needs of Ductless HVAC Systems


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The Unique Needs of Ductless HVAC Systems

Ductless mini-split systems are becoming a popular way to heat and cool homes in the United States. It consists of an outdoor heat pump and up to nine interior air handlers. Ductless HVAC systems have some unique issues people should be aware of when considering whether to have one installed.

Professional Installation Required

A ductless HVAC system should only be installed and serviced by a qualified professional. If they’re not, they can develop three major problems.

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Water Leakage Behind Air Handler

There’s a condensate line connected to each air handler. These lines can break, which results in water getting in between the air handler and the wall. The wall will eventually wear out and the air handler will collapse to the ground.

If you see any water damage around an air handler, you should call an HVAC company for repairs.

Broken Air Handler

An air handler can break for a few reasons, including improper installation. It may be a failed motor or some other issue. The good thing is that the other air handlers will continue operating when one of them breaks.

Leaking Refrigerant Lines

There’s also a refrigerant line connected to each air handler. Ductless HVAC systems tend to lose more refrigerant than ducted systems because there are more refrigerant lines.

Signs your system is losing refrigerant include a loss of heating or cooling power, a hissing noise, or an air handler’s coils icing over. You should have this problem repaired right away as it can cause your whole system to break down.

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