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Ductless Mini Split Considerations Considerations Has multiple indoor units, does not move air through The ultra-low NOx furnace requirement adds at least $350 per unit to the cost to traditional split systems. Key components: Gas line to furnace Flue pipe Outdoor condenser and compressor Air handler, furnace and fan, with return air duct Ducts and diffusers ducts; variable speed compressor; modeling credit for the units in conditioned space. #3. Ductless heat pump split system, multi-head unit heating and air conditioning Key components: • Outdoor unit with compressor and outdoor coil (shown here on the ground) • Indoor fan coil units (“heads”), typically wall mounted (but we will show several options) • Refrigerant line sets, one to each indoor unit • Notice this is a much cleaner installation than the two systems we looked at previously. Considerations • With multiple indoor units, the advantages of not moving air through ducts include reduction of energy loss, reduced cost of installation, and reduced space requirements. • The variable speed compressor also saves energy. • This system earns modelling credit because the units are located in conditioned space. • Easy to install but have more mechanical units than conventional ducted system. • There are more filters to keep clean, but we avoid the new requirement for MERV-13 filters at the return with a ductless system like this. • With this type of system the code requires a head in every room in order to get the modeling credit. • Some people do have a negative aesthetic impression of a ductless wall unit. PROPERTY OF SOUTHERN CALIFORNIA EDISON, 2020. DO NOT ALTER. 25PDF Image | Heat Pumps for New Construction
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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