Abstract
Chapter 6 deals with solar space heating and cooling systems. Initially, methods to estimate the thermal load of buildings are given, including the heat balance method, the transfer function method, heat extraction rate and room temperature, the simple degree-day method, and the building heat transfer. Then some general features of passive space design are presented followed by the active systems design. Passive systems include building construction-thermal mass effects, incidental thermal mass effects, intentional thermal mass effects, characteristics and performance of thermal storage walls, building shape and orientation, insulation, windows, sunspaces, overhangs, and natural ventilation. Active systems include both water-based and air-based space heating and cooling systems and comprise space heating and service hot water, considerations concerning the location of auxiliary and solar assisted heat pump systems. The solar cooling systems described in this chapter include both adsorption and absorption systems. The latter comprise the lithium bromide–water and ammonia–water systems. Finally, the characteristics of solar cooling with absorption refrigeration systems are given, followed by solar photovoltaic-powered heating and cooling.
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