The rehabilitation of this office building from the 1980´s has halved greenhouse gas emissions through the retention of the existing structure and most of the façade, the use of climate-friendly materials and energy efficient solutions.

The sustainable office building has been designed based on a holistic idea, containing everything from daylight ratio spatiality and sustainable materials to the positioning in the vicinity of public transport. The building has also been designed with enough flexibility to turn it into housing facilities.

Økern nursing home is a pilot project of energy efficiency and environmentally-friendly rehabilitation of existing buildings. 10 per cent of the energy needs are covered by solar cells on the roof.

Fredrik Selmers vei 4 is an example of refurbishment being worthwhile when viewed from a climate perspective. The substructure, foundations, and load-bearing systems have been reused as part of the total refurbishment of the high-rise buildings from 1982.

Tallhall is the Meterological Institute´s newest building in Oslo. It is a climate friendly building with good detailing and innovative material use.

The Marienlyst passive house school in Drammen is compact, well insulated and has an efficient heat recovery system.

This passive house kindergarten has a ground-source heat pump with an energy well. It is built in massive wood construction, using a robust and precise sandwich-building system with a high degree of prefabrication.

The Kompetansesenter is the first building stage of a new campus area located in the centre of Drammen. The facade with moveable glass louvres and perforated steel sheeting showcase the buildings low energy strategies.

The main office of the Bellona Foundation in the Vulkan area in Oslo has a characteristic south facade with integrated solar panels that reduce solar exposure. On sunny days the building delivers energy to the local grid.