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Home  /  TOOLS   /   FAQ   /   What is a ductless-split system?

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What is a ductless-split system?

A ductless split-system air conditioning system allows the air handler (blows air through the coil and routes the air throughout the building using a series of ducts) to be installed in a different location from the condenser.

  • reduced inside noise
  • low cost
  • space savings
In warehouses, businesses, malls, large department stores, etc., the condensing unit normally lives on the roof and can be quite massive. Alternatively, there may be many smaller units on the roof, each attached inside to a small air handler that cools a specific zone in the building.
Ductless air-conditioners are the perfect solution for your home, cottage, restaurant, computer room, retail store and more. These systems allow you to cool without ductwork or windows!

The term ''ductless'' simply means no ductwork involved. It has two basic components:
  • Indoor air handling unit
  • Slim-line outdoor condenser unit
These units are easily connected by refrigerant lines running through a small 10cm opening in the wall or ceiling. The outdoor unit cycles the refrigerant through the lines to and from the indoor unit, where the air is conditioned and then distributed into the open space.

Depending on the series, indoor units come in a variety of styles and can be installed in compact tight spaces on walls or recessed into or suspended from ceilings. Installation is as simple as mounting the indoor and outdoor units, connecting the refrigerant lines, and making a few electrical connections.
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