How to improve energy efficiency of historically significant buildings
IMAGE: PHOTO OF VISBY, SWEDEN. view more
CREDIT: PETRA ERIKSSON
How can historic buildings become more energy efficient while conserving their heritage values? A doctoral thesis provides the answer by presenting a new method for combining climate goals and heritage values in historic buildings stocks.
Renovate to improve energy efficiency of historic buildings - and at the same time preserve them for the future. It is not easy to balance careful administration of historic buildings with the need to make them more energy smart. A new thesis at the University of Gothenburg has taken up the challenge and shows the way towards improving energy efficiencies that does not damage the historic and cultural values. The goal is to make it easier to develop strategies for energy efficiency in large building stocks.
"Historic buildings are a significant part of our total building stocks," says Petra Eriksson, who has conducted her research in a collaboration between the University of Gothenburg and Uppsala University. "There are excellent opportunities for improved energy efficiency here. At the same time, we need to take into account the buildings' importance as part of our cultural heritage. If we are to achieve our climate and energy goals, we need a broad-based approach that addresses not only individual historic buildings, but entire building stocks."
The thesis presents a method that takes a holistic approach to the assessment of both potential energy savings and management of the buildings' specific conditions. The method includes categorised buildings representing a building stock and takes into account restrictions that limits which methods can be implemented if heritage values are to be preserved.
"By working according to this method, it becomes possible to visualise differences both within and between different parts of a building stock, which depends on the buildings' age, materials, construction and heritage values," says Eriksson.
She regards the method as an important decision support tool for decision makers, administrators and major property owners, enabling them to make more informed decisions about how to strike a balance between energy saving and conserving cultural values.
"I hope that future research will continue to support development in the area that leads to more standardised planning and decision support processes for stocks of buildings with cultural values," she says.
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About the research:
Title: "Balancing Building Conservation with Energy Conservation - Towards differentiated energy renovation strategies in historic building stocks"
Link: https:/
The study objects in the thesis have been building stocks in Visby, Stockholm and Halland, Sweden.
The thesis will be presented on 16 June 2021 at the University of Gothenburg.
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