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Indoor Thermal Climate Criteria and the Effects on the Overall Environmental Performance of Air-conditioning Systems

Katarina Heikkilä (Institutionen för energi och miljö, Installationsteknik) ; Torbjörn Lindholm (Institutionen för energi och miljö, Installationsteknik)
Proceedings of EPIC 2006 AIVC. Technologies & Sustainable Policies for a Radical Decrease of the Energy Consumtion in Buildings. Vol. 1 (2006), p. 167-172.
[Konferensbidrag, refereegranskat]

The cooling loads of an office building vary with the desired indoor thermal climate. However, there is a lack of knowledge on how significantly the various indoor climate criteria affects the overall environment performance of the air-conditioning systems. Here, we analyze the environmental consequences of the energy use, as well as the possible midifications of the system design and corresponding use of materials. The analysis is based on a theoretical case study of an air-conditioning system designed for a typical office building situated in Sweden. The environmental performance is evaluated by a life cycle assessment (LCA) method, taking into account the production, the user, and the disposal stages of the life cycle. For the same building, several scenarios of the user stage corresponding with the different requirements on the indoor thermal climate in the building are studied. We conclude that requirements on the indoor climate should be established at appropriate levels, taking into account the environmental performance of the air-conditioning system.

Nyckelord: Indoor thermal climate, environmental assessment, life cycle assessment (LCA), air-conditioning system, comfort cooling system, office building

Denna post skapades 2007-01-15.
CPL Pubid: 25610


Institutioner (Chalmers)

Institutionen för energi och miljö, Installationsteknik (2005-2014)



Chalmers infrastruktur