Drop Ceiling Installation Around Ductwork Supplies' title='Drop Ceiling Installation Around Ductwork Supplies' />Ductless Heating Cooling Mini Split Systems. The Advantages of ENERGY STAR Certified Ductless Heat Pumps. Used for decades in Europe and Asia, ductless mini split heat pumps differ from traditional home heating and cooling systems by Providing both heating and cooling through a single device a heat pump. Heat pumps have been used, mainly in Southern climates, for decades. Avoiding ductwork. Instead of difficult to install, leaky and bulky ductwork, ductless mini split heat pumps use an indoor unit. Up to 8 indoor units can be attached to one outdoor unit. See Figure 1Figure 1. Ductless Mini Split Heat Pump Allowing for Different Climates for Each Room. NBS Reference Specification Ebook download as PDF File. Text File. txt or read book online. Shaw Saddle 94 Vinyl Flooring Quarter Round. DUCTWORK MYTH BUSTER. Before using your old Ruleof Thumb for sizing ducts, it might be good for you to read what Paul Wiebolt of Tradewinds Appropriate. Here is a list of some cabinets that can be installed in your residence. Each indoor unit can provide customized heating and cooling adjustable through wall consoles, remote controls and smart phone apps in each conditioned space. Cutting heating costs in half compared to conventional electric heating systems. Because they transfer instead of generate heat, ENERGY STAR certified ductless mini split heat pumps use 6. Cutting cooling costs by 3. ENERGY STAR certified ductless min split heat pumps use more sophisticated compressors and fans that can adjust speeds to save energy. Voltage Drop Voltage refers to the electrical force that causes the electrons to move. The higher the voltage, the faster the current moves. If you are planning on. Ductless mini split heat pump models that have earned the ENERGY STAR are identified in the Air Conditioning, Heating, and Refrigeration Institute AHRI online database. Check the Yes box in Labeled ENERGY STAR search criteria to see a list. Common Applications of Ductless Heat Pumps. Ductless mini split heat pumps are increasingly being used in these situations Homes with costly electric heat e. Older homes with no ductwork e. Homes with expensive central heating systems due to high fuel costs or low system efficiency. Additions or outbuildings e. Rooms that are not regularly occupied indoor unit can be turned off to save money. Spaces adjacent to unconditioned spaces where ductwork would be exposed to harsher temperatures e. New construction of homes in areas with high fuel costs. Older commercial buildings with no existing ductwork for air conditioning or expansions. Further Developments Cold Climate Heating, Alternative Indoor Units. In the past, people worried whether heat pumps were good at providing heat in cold climates. As temperatures drop, the heat pump must work harder and harder to extract heat from the outdoor air. Some heat pumps now utilize advanced compressors and refrigerants that allow for improved low temperature performance. If this is a concern, look for ENERGY STAR models with a Heating Seasonal Performance Factor HSPF of over 1. BTUWh. 4 or examine a list of ductless mini split heat pumps designed to work in colder climates developed by the Northeast Energy Efficiency Partnership NEEP. Another concern may be the aesthetics of the relatively large indoor floor or wall mounted units. U. S. consumers, accustomed to having heating and cooling delivered from barely noticeable vents in walls and ceilings, can sometimes find the look of the indoor wall or floor mounted units unappealing. Ductless system manufacturers offer ceiling recessed and short run horizontal, duct based air handlers, to provide a look some U. S. homeowner are more comfortable with. Utility Incentives Available. ENERGY STAR certified ductless heating and cooling systems are eligible for rebates from some local utilities up to 1,0. A list of available rebates can be found here. 2Nd International Conference On Software Engineering And Computer Systems. In the summer, a heat pump uses a refrigeration cycle to move heat from your home to the outside just like an air conditioner. In the winter, with the refrigeration cycle run in reverse, a heat pump moves heat from the outside into your home. Indoor unit is an air handler circulating room air across refrigerant coils. Outdoor unit is a compressor responsible for keeping coils hot or cold. Efficiency Maine, having installed over 1. Heating Seasonal Performance Factor HSPF  of over 1. BTUWh and found them to work extremely well.