Case
Buildings
Energy efficiency in buildings
At ROCKWOOL, we transform volcanic rock into stone wool and our products contribute to address many of society’s biggest climate change challenges, creating new opportunities to enrich modern living and build safer, healthier, and more climate resilient communities.
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The old office building "Center 2" in the ROCKWOOL Groups headquarters has been through one of the most ambitious energy renovations of commercial buildings in Denmark. It is an excellent example of how old commercial buildings can be refurbished, creating modern and efficient workplaces.
Before the renovation the energy consumption was equivalent to that of “Energy Class F”, the second lowest rating in Denmark. After renovating the building the energy performance has improved significantly.
The energy consumption has been reduced by almost 85 %. The building now meets the low energy requirements that will apply fornew buildings in 2015.
Building year: 1979
Size: 3,000 m2
Energy consumption
The renovated building only uses 41 kWh/m2 per year (Danish A2015 class), compared to 264 kWh/m2 per year (Danish energy class F) before being renovated.
Cheaper than building a new office
The renovation of the Center 2 has been more than EUR 400,000 cheaper than what it would have been to tear down the old building and build a new one.
Insulation and technical solutions
