Bonneville Power Administration
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Packaged Terminal Heat Pumps with Occupancy Control
Packaged Terminal Heat Pumps with Occupancy Control Field Test
Five key factors of electricity use for space heating and cooling were identified: weather, occupancy rates, heating and cooling efficiency, hotel management practices, and temperature settings of room thermostats. This study found that management practices and behavior of cleaning staff were the greatest determinants of use. When the hotel staff regularly turned off HVAC equipment, automated controls for that purpose were not cost effective. In addition, the coefficient of performance and energy efficiency ratings of packaged, terminal heat pumps must have exceeded a minimum threshold to be a cost-effective replacement for packaged, terminal air conditioners.
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