Hot climates smart home system is steadily advancing recently. The main
concern is energy efficiency particularly in the Arabian Gulf region. Privacy
is another prioritized concern culturally. This project presents a solution for
both demanded priorities implementing a polymer-dispersed liquid crystals
(PDLC) glass system. The proposed design was validated via a developed
prototype that was measured experimentally. Its experimental results show
about 39% improvement in energy saving compared to conventional systems
without depriving the indoor-outdoor connections and the privacy of the
smart home inhabitants. Furthermore, it also achieves several other
additional goals, for instance, decreasing cost as well as wasted energy by
automatically off the lighting and air conditioning systems whenever they
are not in used. Moreover, it is also capable to significantly reduce the risk
of harmful exposure to ultraviolet A/B (UVA/B) of solar radiations, which
conventional curtains are not capable to protect.

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