Ductless (Mini Split) Air Conditioning
Ductless/Mini-splits units are a type of air conditioners where there is no any duct-work systems applied to condition the structure. There are two main components: an outdoor condenser, and an indoor air-handling unit. The conduit, which houses the power cable, refrigerant tubing, suction tubing, and a condensate drain, links the outdoor and indoor units.
Ductless Air Conditioners Application
Many models can have as many as four indoor air handling units (four zones or rooms) connected to one outdoor unit. Each of the zones will have its own thermostat, so you only need to condition that space when it is occupied, saving energy and money.
Since mini splits have no ducts, they avoid the energy losses associated with ductwork. Energy loss through ductwork can account for more than 30% of energy consumption for space conditioning, especially if the ducts are in an unconditioned space such as in an attic.
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Ductless, mini-split air-conditioners have numerous potential applications in residential or commercial buildings. The most common applications are in multifamily housing or as retrofit add-ons to houses with "non-ducted" heating systems, such as hydronic (hot water heat), radiant panels, and space heaters (wood, kerosene, propane). They can also be a good choice for room additions, sunrooms, and small apartments, where extending or installing distribution ductwork (for a central air-conditioner or heating systems) is not feasible.