The Effects of Set-Points and Dead-Bands of the HVAC System on the Energy Consumption and Occupant Thermal Comfort

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A building is a complex system where many components interact with each other therefore the control system plays a key role regarding the energy consumption and the occupant thermal comfort.
This study is concerned with a detached, one-storey, single family, energy-plus house. It is equipped with a ground heat exchanger, a ground coupled heat pump, embedded pipes in the floor and in the ceiling, a ventilation system (mechanical and natural), a domestic hot water tank and photovoltaic/thermal panels on the roof.
Preliminary evaluations showed that for Madrid, change of indoor set-point in cooling season from 23°C to 25°C (±1 K) can decrease the cooling need by 23%. Hence, an interest arose in order to quantify the energy saving potential with respect to different set-points and dead-bands. However occupant comfort should not be neglected for the sake of energy savings.
This study focuses on the effects of the set-points and dead-bands of different components on the energy consumption together with the occupant thermal comfort. Evaluations are carried out with TRNSYS for Copenhagen and Madrid in order to compare climatic effects.
Original languageEnglish
Title of host publicationProceedings of the 7th Mediterranean Congress of Climatization
Number of pages8
Publication date2013
Publication statusPublished - 2013
Event7. Mediterranean Congress of Climatization - Istanbul, Turkey
Duration: 3 Oct 20134 Oct 2013
Conference number: 7


Conference7. Mediterranean Congress of Climatization
Internet address


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