kick-off event of the WTA working group "Summer Thermal Insulation in Existing Buildings"

11. May 2023 - 12. May 2023

Invitation to the kick-off event of the WTA working group "Summer Thermal Insulation in Existing Buildings".

Ort: TU Dresden, Institute for Building Climatics

Adresse: Office building Zellescher Weg 17, 01069 Dresden, room B 107

Veranstalter: WTA International e.V.

Occasion:
The overheating protection of buildings is increasingly becoming a challenge in view of climate changes (stronger and longer heat phases) and increasing urbanisation (heat island effect). A focus on the requirements for new buildings does not do justice to this circumstance. We have an enormous building stock that does not offer sufficient protection against heat phases. If we do not want to run the risk of undermining the hard-won winter energy savings through the widespread use of inefficient decentralised air conditioning units, we need strategies for upgrading the existing building stock. The WTA group "Summer Thermal Insulation in Existing Buildings" will begin its work on this in May 2023 and invites all interested parties to participate.

 

Background:
Before the introduction of normative requirements for the overheating protection of buildings in 1981 (DIN 4108-2:1981 as well as TGL 35424-4), there were no requirements at all for the summer thermal insulation of new buildings. Buildings from the 1970s and before consequently have a considerable overheating risk. Buildings constructed later, from the 1980s to the early 2000s, are also not significantly more stable in terms of indoor climate, as the first version of the standard only set low requirements. For existing buildings, there were and are currently almost no requirements, except for the workplace directive (ASR 3.5 version 2021) with an unhelpful limit value of 35°C. There is also a lack of clarity in the standards for indoor climate stability. Likewise, there is a lack of clarity in the assessment methodology and the selection of suitable improvement measures in terms of indoor climate and design.

 

Scheduling:
Thursday, 11 May 2023 from 1:00 p.m. to 4:00 p.m., evening event.
Friday, 12 May 2023 8:00 a.m. to 12:00 p.m.

 

Procedure:
Getting to know each other, selection of the guidelines focus topics.
Discussion of the state of the art and distribution of the focus topics to the working group members.

 

Head:
Dr.-Ing. P. Freudenberg, Chair of Technical Building Services and Climate-friendly Construction, Dresden University of Technology

 

Registration and participation:
If you are interested in participating in the working group and would like to attend the event, please contact the office.

For technical questions, please contact the working group leader.

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