Converting dual-duct constant-volume systems to variable-volume systems without retrofitting the terminal boxes
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Dual-duct constant-air-volume systems can be converted to variable-air-volume systems by installing hot air dampers in the main hot air ducts. No terminal box retrofit is needed. The detailed retrofit procedures and control sequences are described in this paper. Results from a case study building are also presented.
author list (cited authors)
Liu, M., & Claridge, D. E.