DOVISTA Sustainability Report / Human and labour rights / Environment / Anti–Corruption
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Energy efficiency at Holsedore 18
A preservation building in Holsedore Denmark has undergone an extreme renovation from old girls’ school to new apartments. The original expression of the building has been taken into account, and on the outside the renovation is almost invisible to the naked eye. Thanks to VELFAC Classic windows, the style of the building is preserved, while ensuring a healthy indoor climate and energy efficiency. Holsedore 18 in Odense is a beautiful, older building from 1850. From the outside, it looks pretty much the way it always has. But inside, the story is quite different. Classic windows make the exterior renovation seamless and energy efficient The former girl’s school was acquired by KC Byg in 2016. As a preservation building, the exterior appearance must not be changed, and therefore great care was taken tomaintain the original expression of the building. Today, the external changes are not immediately appar- ent, and yet there has been an extensive renovation. 1 ) https://www.bolius.dk/saa-meget-el-vand-og-varme-bruger-en- gennemsnitsfamilie-279 2) https://ens.dk/service/statistik-data-noegletal-og-kort/noegle tal-og-internationale-indberetninger 3) These actions primarily support Sustainable Development Goal Targets 3.4, 7.3, 13.1
Inside, 35 new apartments have been built with unique detail to the use of sustainable materials. Among other things, this has set high requirements for the building’s windows. The new windows were required to ensure that the building style was preserved, along with pro- viding a healthy indoor climate and energy efficiency. The VELFAC Classic windows met all the criteria. Pro- duced with aluminum and certified wood, VELFAC win- dows use sustainable materials of the highest quality which ensures not only responsible sourcing, but low maintenance as well. The new windows also provide increased insulation. This reduces window condensa- tion and noise from the surrounding area, promoting a healthy indoor climate for residents. The new windows for this project also contribute to a total energy savings of 204 MWh per year. This is a savings equivalent to the average annual household district heating consump- tion for 11 families in Denmark 1 . This not only provides a considerable savings on the cost of heating, but also contributes to a combined emissions savings of 400 tonnes CO 2 e over a building lifetime of 25 years 2 . 3
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