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Abstract
Only recently energy efficiency and reduced cooling energy consumption have become a primary concern for many European countries. Consequently, the corresponding cooling technologies and calculation methods have not yet received the necessary attention in national energy performance regulations. For example, only few countries impose some kind of summer comfort evaluation. In response, several parties launched research projects to update the calculation methods. The co-workers of one such project, called EPIcool, improved the quasi-steady-state calculation of the overheating indicator and updated/developed methods to assess the energy performance of passive cooling technologies and mechanical cooling systems. However, they did not evaluate the sensitivity of the predicted performances. Therefore, the authors of underlying paper investigated the influence of several design parameters on the revised overheating indicator of a generic passive house. They performed a one-at-a-time analysis as well as a factorial design on (maximum) sixteen parameters. The results showed that especially primordial design choices, like a summer bypass or not, sun shading or not, influence the overheating indicator. Yet, choosing a favourable value for some parameter does not always improve the overheating indicator to the same extent. Combinations of generally important parameters show a large spread of predicted performances. However, the spread diminishes as the case has a better summer comfort.
Keywords
passive houses, overheating indicator, quasi-steady-state, EPBD

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MLA
Goethals, Kim et al. “Evaluation of the Quasi-steady-state Overheating Indicator for Passive Houses.” 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings. Ed. Kabele Karel et al. Society of Environmental Engineering, 2013. Print.
APA
Goethals, Kim, Coppieters, L., Delghust, M., & Janssens, A. (2013). Evaluation of the quasi-steady-state overheating indicator for passive houses. In K. Karel, U. Miroslav, S. Karel, & L. Miloš (Eds.), 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings. Presented at the 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings (CLIMA - 2013), Society of Environmental Engineering.
Chicago author-date
Goethals, Kim, Lieselot Coppieters, Marc Delghust, and Arnold Janssens. 2013. “Evaluation of the Quasi-steady-state Overheating Indicator for Passive Houses.” In 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings, ed. Kabele Karel, Urban Miroslav, Suchý Karel, and Lain Miloš. Society of Environmental Engineering.
Chicago author-date (all authors)
Goethals, Kim, Lieselot Coppieters, Marc Delghust, and Arnold Janssens. 2013. “Evaluation of the Quasi-steady-state Overheating Indicator for Passive Houses.” In 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings, ed. Kabele Karel, Urban Miroslav, Suchý Karel, and Lain Miloš. Society of Environmental Engineering.
Vancouver
1.
Goethals K, Coppieters L, Delghust M, Janssens A. Evaluation of the quasi-steady-state overheating indicator for passive houses. In: Karel K, Miroslav U, Karel S, Miloš L, editors. 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings. Society of Environmental Engineering; 2013.
IEEE
[1]
K. Goethals, L. Coppieters, M. Delghust, and A. Janssens, “Evaluation of the quasi-steady-state overheating indicator for passive houses,” in 11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings, Prague, Czech Republic, 2013.
@inproceedings{4124518,
  abstract     = {Only recently energy efficiency and reduced cooling energy consumption have become a primary concern for many European countries. Consequently, the corresponding cooling technologies and calculation methods have not yet received the necessary attention in national energy performance regulations. For example, only few countries impose some kind of summer comfort evaluation. In response, several parties launched research projects to update the calculation methods. The co-workers of one such project, called EPIcool, improved the quasi-steady-state calculation of the overheating indicator and updated/developed methods to assess the energy performance of passive cooling technologies and mechanical cooling systems. However, they did not evaluate the sensitivity of the predicted performances. Therefore, the authors of underlying paper investigated the influence of several design parameters on the revised overheating indicator of a generic passive house. They performed a one-at-a-time analysis as well as a factorial design on (maximum) sixteen parameters. The results showed that especially primordial design choices, like a summer bypass or not, sun shading or not, influence the overheating indicator. Yet, choosing a favourable value for some parameter does not always improve the overheating indicator to the same extent. Combinations of generally important parameters show a large spread of predicted performances. However, the spread diminishes as the case has a better summer comfort.},
  author       = {Goethals, Kim and Coppieters, Lieselot and Delghust, Marc and Janssens, Arnold},
  booktitle    = {11th REHVA World Congress and the 8th International Conference on Indoor Air Quality, Ventilation and Energy Conservation in Buildings, Proceedings},
  editor       = {Karel, Kabele and Miroslav, Urban and Karel, Suchý and Miloš, Lain},
  isbn         = {9788026040019},
  keywords     = {passive houses,overheating indicator,quasi-steady-state,EPBD},
  language     = {eng},
  location     = {Prague, Czech Republic},
  pages        = {10},
  publisher    = {Society of Environmental Engineering},
  title        = {Evaluation of the quasi-steady-state overheating indicator for passive houses},
  year         = {2013},
}