Abstract
This chapter discusses a light-vent unit combining light pipe technology and passive stack ventilation by utilizing the light pipe as an exhaust stack. This system can be further integrated with a novel design of heat pipe to heat or cool the building. The work contains several aspects related to the use of light pipes and stack ventilation. A study of the statistical information on the main building types and their morphology in several European countries has helped determine the most suitable regions for this technology. The most potential building types are educational, office, and retail buildings. In order to enhance the natural stack ventilation and to prevent reverse flow, a wind terminal is installed on the top of the light-vent pipe. Several types of terminals have been investigated in the chapter.
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