Two workers on the roof of a building working on the air conditioning unit.

Ductless Air Conditioners: How Do They Work?

Ductless air conditioners, also known as mini-splits are a new type of air condition system that was designed in Japan and utilizes heat pump technology in order to supply a home’s occupants with cool air.


It is referred to as mini-split due to the combination of two different components separated by a small distance. The first component is the compressor which is installed outdoors, while the second component is the indoor air handling unit that is wall-mounted and connected to the compressor.


How does it work?


A ductless air conditioner works almost in the same way as a standard ducted one. The compressor is filled with refrigerant, a compound that helps to provide the cooling effect. The compressor works by applying force to the low pressure refrigerant therefore transforming it into a high pressure gas. The condenser and the fan work together to dissipate the accumulated hot air from the house towards the outside.


As the hot air passes through the two components, the refrigerant extracts the heat from the heated indoor air, creating a cool low pressure gas. The cool air is then pumped back into the house by the compressor, cooling the house.


The advantage of the outdoor component is that it minimizes interior noise. The best thing about ductless air conditioners is that their stylish enclosures can be hung discretely on interior walls or placed on the ceiling, eliminating the need for complex ductwork to distribute cool air.


For more information on ductless air conditioners, contact Premier Heating & Cooling: 519-245-5945.

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