Naturfreundehaus Knofeleben
“island Solution” (i.e. no water connection, no connection to the grid)
Therefore mainly energy autarkic
Renewable energy only
South fassade: 70°pitch: 50m² PV elements
14 m² thermal solar collectors; 28 roof windows for passive solar gains
Wooden boiler for the guest room ; wooden oven for the kitchen
High insulated thermal envelope; high standard of air-tightness
Some concrete walls as thermal mass to store the heat
Snow will be “stored” on the roof and in cisterns to be used either for grey water or conditioned for drinking water
High amount of daylight (daylight factor of min. 3 %)
Fresh air via electric controlled VELUX roof windows in the sleeping area
Ecological concept: most surfaces are untreated wood which gives a huge sorption capacity
Solid concrete ceiling in the ground floor for a perfect footfall sound protection
; construction August 2011 – March 2012 (planned) planned opening: April 2012)
Pefect reaction to the very specific plot
South orientation
70° façade south: keeps free of snow and permits solar gains for the windows, the PV
Flat sloped roof to store snow to use it for water
- Form follows energy!
Amazing view (in the sleeping rooms: window-combination from the bed to the ceiling
On the same place and the same external dimensions as the old hut but more net area by intelligent planning
High quality outdoor terraces (partially protected by the building)
Safer by using smoke ventilation
Planning:
End of may 2011 – end of July 2011; construction August 2011 – March 2012 (planned) planned opening: April 2012)
Awards:
Naturfreundehaus Knofeleben got awarded with the austrian ecolabel in May 2012.
Links:
https://www.velux.at/fachkunden
http://www.friedrich-hallerhaus.at/
Heinz Hackl, design & construction
VELUX Österreich Gmbh
