Dealing With Furnace Problems

A/C Installation: Ductless Air Conditioners

9 November 2019 by Eliza Chapman

A/C installation in your home varies from system to system. In the case of ductless air conditioners, it is both a simple and complex process, depending on how you look at it. Here is the process for installing ductless air conditioners from start to finish. 

Installation of the Heat Pump Outside

A single heat pump is used in conjunction with up to eight wall units inside the house. The heat pump is typically installed in an area outside of the house that is most convenient for connecting all of your inside wall units. More than one heat pump may be used if your house is exceedingly large, or if the wall unit hoses will not stretch far enough to reach the outdoor heat pump. 

The heat pump is placed on a flat surface, preferably a leveled dirt surface or concrete slab close to the foundation of your home. There are electrical components that the HVAC technician needs to put through the exterior wall and connect to the electrical box in your home. This may be done one of two ways, depending on whether your box is in the basement or in a utility closet in your home.

If it is in the basement, your technician can drill a hole in the concrete foundation and send the wires through this hole to the electrical box. If the box is in a closet (because your home is on a slab foundation), then your technician will drill a hole in the siding and side of your home to send the wiring through to the box. The heat pump has to be connected to electricity, or the rest of the ductless system will not work.

Installation of the Wall Units

A wall unit is a couple of feet long by less than a foot high. It is usually mounted to the top of the wall, but it can also be mounted under a window or along the bottom edge of the wall. Each wall unit needs a silver-dollar-sized opening in the wall through which a condensation hose and electrical wiring pass. The hose assists with pulling hot air out of the room and replacing it with cooler air. The electrical wiring keeps the individual wall unit working and connected to the heat pump outside. Another hose connects the wall unit to the heat pump. Nothing is needed to feed cooled air through your home's ductwork because the ductwork is not involved in ductless air conditioning. 

To learn more, contact a company that offers A/C installation in your area. 

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