Reference : Thermal comfort models for net zero energy buildings in hot climates
Scientific congresses and symposiums : Paper published in a book
Engineering, computing & technology : Architecture
Thermal comfort models for net zero energy buildings in hot climates
Belkhouane, Hamza mailto [Université de Liège - ULiège > > > Master ingé. civ. arch., à fin.]
Hensen, Jan []
Attia, Shady mailto [Université de Liège > Département ArGEnCo > Techniques de construction des bâtiments >]
Second International Conference on Energy and Indoor Environment for Hot Climates
Second International Conference on Energy and Indoor Environment for Hot Climates
[en] energy efficiency ; office buildings ; adaptive comfort ; recommendations
[en] Several energy efficiency concepts and comfort models emerged in the last 15 years seeking high performance buildings and optimal occupant comfort conditions. The aim of high performance buildings is to reduce the carbon footprint and energy consumption of buildings while maintain a fit to purpose comfort. In this context, this work raises the question of fir to purpose comfort models that can from one side reduce the energy consumption of typical office buildings in hot climates (cooling dominated) while on the other side ensuring indoor thermal comfort. Indeed, studies that address energy efficiency are many, however it is in most cases applied to temperate or cold climates and barely explored for hot climates. The objective of this paper is to (1) combine several comfort models for a net zero energy building in hot climates, (2) select the comfort model that shows the optimal comfort quality of indoor environment and (3) compare the building's annual energy consumption for each used comfort model. To respond to our research problems, a methodology has been established, which goes through several phases. First identifying the different comfort models comfortable to use in hot climates (ISO 7730 / EN 15251 / adaptive ASHRAE / Givoni), secondly selecting a typical validated office building model as a reference building and finally selecting representative cities in the Mediterranean arid and hot climate (Algiers / Sicily / Cairo / Dubai). The study used building performance simulation to generate the different results on the energy consumption and the operative temperatures of the different models of comfort in each city. The paper ultimately identifies the fit to purpose comfort models for a medium size net zero energy office building in hot climates. The paper presents a comparison that can help building professional to identify the most appropriate comfort model that allows optimizing energy consumption, ensuring thermal comfort for robust perfromnce of net zero energy buildings in hot climates.
Sustainable Buildings Design Lab
Sustainable Buildings Design Lab
Researchers ; Professionals

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