CLTC and WCEC, in partnership with San Diego Gas & Electric, conducted a study at four hotels in the San Diego area utilizing three brands of occupancy controlled guest room thermostat products. The main objective of this assessment was to compare the energy use of the emerging technology with the existing technology. The adoption of advanced control systems in the hotel industry has been slow due to high labor cost of installing systems, maintaining the post installation integrity of the system, and lack of verified energy savings. The introduction of wireless versions may make advanced controls more economically feasible.
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