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Ade, R and Rehm, M (2021) Summertime comparative evaluation of indoor temperature and comfort in Auckland New Zealand: a survey of green certified, code and older homes. Building Research & Information, 49(03), 336–51.

Annemans, M and Heylighen, A (2021) Productive interactions to exchange knowledge in healthcare building design. Building Research & Information, 49(03), 281–93.

Bhattacharya, A, Metcalf, A R, Nafchi, A M and Mousavi, E S (2021) Particle dispersion in a cleanroom – effects of pressurization, door opening and traffic flow. Building Research & Information, 49(03), 294–307.

Colenberg, S, Jylhä, T and Arkesteijn, M (2021) The relationship between interior office space and employee health and well-being – a literature review. Building Research & Information, 49(03), 352–66.

Sal Moslehian, A, Kocaturk, T and Tucker, R (2021) An integral view of innovation in hospital building design: understanding the context of the research/practice gap. Building Research & Information, 49(03), 265–80.

Sudprasert, S (2021) Utilization of an evaporative air cooler to achieve thermal comfort in Thailand. Building Research & Information, 49(03), 325–35.

Tejero-González, A, DeFreitas-Barros-Galvão, V M, Zarzuelo-Sánchez, A M and SanJosé-Alonso, J F (2021) Energy use optimization in ventilation of operating rooms during inactivity periods. Building Research & Information, 49(03), 308–24.

  • Type: Journal Article
  • Keywords: Hospital; operating room; ventilation setback; heat recovery; indoor overpressure; energy savings;
  • ISBN/ISSN: 0961-3218
  • URL: https://doi.org/10.1080/09613218.2020.1817723
  • Abstract:
    Hospitals are highly energy-demanding buildings, where simple actuations can involve large savings. However, energy efficiency actions must comply with the high safety standards. Operating rooms demand continuous ventilation despite the short activity periods. Setback during non-occupation of the operating rooms can reduce ventilation loads but must not hinder indoor overpressure to avoid infiltrations. Besides, it prevents any existing heat recovery system from operation. This work evaluates setback ventilation in operating rooms at a case study in Spain, from two approaches: its effect on indoor overpressure and its preference to an existing coil heat recovery (runaround) loop. It based on monitored data of two operating rooms under setback and normal ventilation with operation of the heat recovery system. Seven tests are performed throughout the year, whose comparison to estimated results enables extrapolation to yearly operation. Results show that indoor overpressure maintains at 15 Pa under setback, thus meeting current and coming standards. Setback turned to be always preferable to hear recovery under cooling needs. Estimated heating and electric yearly supply energy savings reach 29 MWht and 262 MWhe, the latter accounting for 2% of the total electric energy consumption of the hospital during 2019.