Journal
JOURNAL OF CLEANER PRODUCTION
Volume 301, Issue -, Pages -Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.jclepro.2021.126854
Keywords
Glazing; Electrochromic; Suspended particle device (SPD); Liquid crystal (LC); Window; CCT; CRI; U-value; SHGC
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Buildings consume fossil fuel generated electricity for air conditioning, heating, and artificial lighting, which can be offset by using energy efficient advanced switchable smart windows. Electrically actuated switchable smart window systems, including electrochromic, suspended particle device, and liquid crystal, have different power supply requirements. Stakeholder support, particularly from government and building regulations, is essential for the smooth integration of smart windows into the building sector.
Building consumes fossil fuel generated electricity to satisfy its air condition, heating and artificial lighting load demand. Offsetting this building energy demand by employing energy efficient advanced switchable smart windows are possible. Currently, electrically actuated switchable smart window systems include electrochromic (EC), suspended particle device (SPD) and liquid crystal (LC). EC works under direct current (DC) power supply while SPD and LC need alternating current (AC) power supply. In this work, details (working principle, window parameters and building energy saving potential) of these three window technologies have been reviewed. Highly insulated switchable smart window and powering them employing PV system is also an attractive strategy. However, smart windows need stakeholder support particularly from government and building regulation code for its smooth penetration to the building sector.& nbsp; (c) 2021 Elsevier Ltd. All rights reserved.
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