Monday, July 5, 2010

Sweden House With Passive Heating – Villa Nyberg by Kjellgren Kaminsky

Project name: Villa Nyberg
Client: Emrahus & the Nyberg family
Object: prefabricated passive house villa
Size: 156sqm.
Stage: built
Team: Joakim Kaminsky, Fredrik Kjellgren, Oscar Arnklitt, Daniel Andersson, Corina Bermúdez

Kjellgren Kaminsky has produced Swedens first series of passive houses sold as type houses in collaboration with Emrahus, our goal is to make this environmentally friendly building technique available for all. Villa Nyberg is the first one to get built. The villa has been customized for the Nyberg family and is situated in Borlänge, central Sweden.

Passive houses are extremely well-insulated buildings that are largely heated by the energy already present in the building - people and our household equipment generate a lot of energy. Our energy simulations show that this villa will have an energy consumption for heating of only 25 kWh/m²year.

To reduce heatloss airtightness is n important feature of a passivehouse. When we tested the airtightness of Villa Nyberg in a blowdoortest we got apleasent suprise, a new Swedish record! The result was 0,038 l/sm² at 50 Pa. The Swedish passive house standard is 0,3 and the previous record was 0,07.

The villa is situated by a lake in a fur forest in central Sweden. The living room and kitchen open up towards the views of the lake, the more private areas such as the bedrooms and bathrooms are situated on the other side of the house with smaller windows overlooking the forest. The round shape of the villa eliminates coldbridges and reduces the enclosing wallarea of the house. It also effects the way you live in the house, during the day one will move from room to room around the building experiencing different views and daylight conditions.

The autumn is closing in, but its still warm in the sun. Its Sunday morning and I’m reading the newspaper in the kitchen. From here I can see almost the whole house. The kitchen and the living room form one big open room. From there two corridors running along the atrium connects it with the bedrooms. If I look into the atrium I can see the doors to the bedrooms on the other side, there our kids are still fast asleep, they stayed up a bit too long yesterday watching movies.

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Kensington Light House by Tandem Studio Design

The Kensington Lighthouse is situated on a 160m2 strip of land between a former factory and its kitchen in a densely urbanised, mixed-use inner city context. On the north, the neighbouring house presents a 4m high wall overshadowing the site. North facing sunshells were created to capture and reflect sunlight; articulated by exposed timber portal frames lined with veneered plywood clad in lightweight metal skin of dark grey and deep blue corrugated metal.
The sunshells form the roof and south façade. On the north, west and east – patterns of double glazing and translucent polycarbonate were used to frame views and admit light while preserving privacy - the translucent skin capturing shadows of neighbouring trees, passing clouds and filtering light to the interior.

The house is made from two sunshells, connected around a courtyard by a rectangular timber lined volume running the length of the north boundary. The west sunshell contains entry, lounge, kitchen, double height dining space on the lower level; and study, guest bed and bathroom on the mezzanine. The east sunshell -at the rear of the site, across the courtyard and on a mid-level - houses the master bedroom and ensuite - below is a double carport accessed from the rear laneway. Designed to comply with a 5 star energy rating, the Light House also incorporates a range of green measures to reduce the environmental impact of the building:
- rainwater tank beneath the courtyard
- heat pump on the hot water service
- grey water diverter
- solar array on the link roof
- double glazing throughout
- triple cell polycarbonate skin
- rainwater harvesting system

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