Rose, Jørgen and Engelund Thomsen, Kirsten Comprehensive Energy Renovation of Two Danish Heritage Buildings within IEA SHC Task 59. Special Issue "Energy Efficiency in Historic Buildings". ISSN 2571-9408

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Abstract

Historic and heritage buildings present a significant challenge when it comes to reducing energy consumption to mitigate climate change. These buildings need careful renovation, and increasing their energy efficiency is often associated with a high level of complexity, because consideration for heritage values can often reduce and impede possibilities and sometimes even rule out certain improvements completely. Despite these issues, many such renovation projects have already been carried out, and therefore the IEA SHC Task 59 project (Renovating Historic Buildings Towards Zero Energy) in cooperation with Interreg Alpine Space ATLAS has developed a tool for sharing these best-practice examples—the HiBERatlas (Historical Building Energy Retrofit Atlas). The Internet serves as a best-practice database for both individual energy efficiency measures and whole-building renovation projects. This paper presents two of the Danish projects featured in HiBERatlas. The first project, Ryesgade 30, is a Copenhagen apartment building with a preservation-worthy period brick façade. The second project is the Osram Building, a listed Copenhagen office building from 1959 with a protected façade, which today acts as a culture centre. Both renovation projects achieved significant energy savings and consequently CO2-emission reductions, and the indoor climate in both buildings have also improved significantly. Furthermore, a detailed analysis was carried out regarding possible window solutions and ventilation systems in Ryesgade 30, and for the Osram Building regarding daylighting technologies. This paper investigates the two renovation cases through the available measurement and calculation results before and after renovations and demonstrates that it is possible to reduce energy consumption significantly and at the same time improve the indoor climate without compromising the cultural values of buildings.

Item Type:	Article
Uncontrolled Keywords:	historic buildings; energy renovation; energy savings; HiBERatlas; IEA Task 59; best-practice database; indoor climate; daylight; windows; ventilation
Subjects:	English > Climate Change Adaptation
Depositing User:	Susanna Carlsten
Date Deposited:	30 Mar 2022 11:34
Last Modified:	30 Mar 2022 11:34
URI:	http://eprints.sparaochbevara.se/id/eprint/1100

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