Get the best performance from your new system
Installing the right size equipment for your home is essential to getting the best performance and comfort. Bigger is not always better when buying new heating and cooling equipment. In reality, a system that's too large will not keep your home comfortable because of frequent on/off cycling. Make sure your contractor verifies the proper size for your home using a tool called "Manual J." Higher efficiency equipment with variable speed compressors do a better job of compensating for any over-sizing.
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If you do not have ducts and are looking for an efficient and effective means to both heat and cool your home, you may a good candidate for a ductless heat pump system.
About Ductless Mini splits
Ductless mini splits come with an outdoor compressor/condenser and one to four indoor air handlers. Indoor units are installed on walls or ceilings (or sometimes hidden behind them) and refrigerant circulates through tubing that connects the indoor and outdoor units.
Ductless heat pumps, or mini/multi split heat pumps, are an increasingly popular alternative to radiator or baseboard heating, as well as replacement for window units for cooling. No duct work is needed. Instead, a head unit, or multiple head units, are mounted on an interior wall or ceiling, with an accompanying unit outside. The outside unit extracts heat from the air, even when it's cold. Refrigerant carries the heat directly to the head(s) inside, which then delivers heated air to occupied space. In warmer months, the system works in reverse for quiet, efficient air conditioning. These units are practical for single-room additions as well as for entire homes. Homes with multiple units can easily be zoned to meet individual comfort needs in each room. In addition to being energy efficient, mini splits avoid the energy losses associated with ductwork, which can account for more than 30 percent of a home's energy use for space conditioning. ENERGY STAR certified ductless heat pumps are an energy-efficient, environmentally-friendly way to keep your home comfortable without the trouble or expense of adding ductwork.