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Norway’s most energy-efficient building?

The environmental foundation is facing a good example and hopes that more will follow.

Norway's most energy-efficient building?

Energy labeling of housing

* As of January 1 this year, energy labeling of buildings was required, with new buildings able to have a maximum consumption of 165 kWh per square meter.

* To get energy labeled in Class A, consumption must be below 84 kWh.

* The average for today’s office building is 271 kWh per square meter.

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Today, the new Bellona house is being built in Oslo, which will be ready for relocation in October this year.

In the autumn, the environmental foundation will be able to move the headquarters from its white wall building on Grünerløkka to a modern and energy-efficient building in the same district.

High ambitions of low consumption

Bellona wants to go ahead with a good example and has therefore had the goal of being labeled as energy class A.

This means that they need to be in energy consumption between 80 and 84 kWh per square meter per year.

– This was harder to achieve than we had initially assumed, but now it seems that we are going to achieve the goal, “says Knut Helland-Hansen, a consultant in Bellona.

Cuts consumption with insulation

Focusing on the fact that heating is one of the biggest energy valves, Bellona emphasized thorough work on the outer shell and insulation.

– In terms of isolation, windows play an important role. If they can be opened, then the insulation will be worse. Now we will have a very good ventilation system, so the question will be if we need windows we can open, “says Helland-Hansen, adding that one should not bother accessing fresh air.

Recycled Materials

Even with a holistic focus on energy saving, it’s also a lot of small details.

According to, Bellona has chosen to use solar collectors that store energy using hot water, combined with exterior sun shielding on sun-loaded facades.

They will also install energy-saving lights.

All materials in the building are environmentally documented and have recycled recycled and recyclable materials.

Want to start a trend

In the United States, demand for climate-friendly houses is still increasing, while in Norway there is still an immature thought.

– We hope, of course, that this will be a growing trend. Such things take time, but once it has come to the United States, Norway will eventually come, “said Helland-Hansen.

The Bellona building is a collaboration between LPO architects, Vulkan Utvikling AS and Veidekke Entreprenør.

Also read :

Optimum heating of the home

The new power windows

Simple Tips for an Environmentally Friendly Family

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