Mini Split Air Conditioners, Ductless Mitsubishi AC: Install, Replace, Service
Ductless Air Conditioning, Service and Repair
Mini-split air conditioners or heat pumps do not require ductwork so are less
expensive to install. Yet they provide all the benefits of central air conditioning. Furthermore, while distribution losses in conventional air
conditioning systems have been estimated as high as 30 percent, distribution losses for ductless systems are between one and five percent. This
translates into significant money savings for the owner.
Because the refrigerant lines take up much less room than do typical ducts,
much less effort is required in a new installation and even more so, in a retrofit. Ductless mini-split systems combine the flexibility of room air
conditioners with the advantages of a whole house cooling central systems.
Although some systems provide heating and cooling, ductless mini-split heat pumps are most frequently installed for cooling.
Easy Ductless System Installation – THIS OLD HOUSE
How do mini splits work? In a conventional heat pump, a single indoor unit and a single outdoor unit serve the entire house. Air is cooled at the
evaporator coil and distributed around the house via ductwork. In ductless systems, there is usually only one outdoor unit
serving multiple indoor units, each containing a refrigerant coil and blower. The refrigerant is piped from the outdoor unit
through small-diameter insulated refrigerant lines directly to individual rooms. Cooled air is blown into the room by a fan in
the individual evaporator units. The term "mini" is used to describe the small indoor units located in each room or zone.
Ductless Split AC advantages:
Reduces energy consumption by one - third compared to regular central air conditioning systems
Reach Desired Temperature Faster
Higher Indoor Air Quality; No ducts to collect pollutants
Easily adjust Cooling or Heating to much need
Easier Zoning Control; Only run units needed and when needed
Fresh Air Intake
Low cost installation and high quality system
Minimize temperature fluctuations
R410A refrigerant environmentally friendly
Start up time reduced by one - third compared to regular central air conditioning systems
High efficiency up to 21 SEER
No duct required
Indoor mini split units easily filter dust, cigarettes smoke, and pollen
Very quiet operation
Inexpensive to run
Does a Mini Split Air Conditioner work independently of my ducted system?
The Ductless Split AC is designed as a stand-alone system operating separately from your ducted system. This becomes
beneficial when you have a room that is always too hot or too cold. These are referred to as hot-spot and cold-spot areas. Your
central system may not be taking sufficient care of certain rooms in the house. As an example, a bonus room over a garage
will absorb additional heat load in the summer and cold in the winter. Our Mini Split Air Conditioner can be added to these hot
-spot rooms to help supplement your existing system. You may also encounter rooms that have larger window glass and be
facing in a direction affected more by the sun exposure.
Mitsubishi's Mr.Slim Air Conditioner
Mitsubishi's Mr. Slim can help bring these rooms back to a comfortable level. Sunroom applications and basements are also
perfect examples of how a ductless split AC can operate separately from your central system.
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