Week 9.1 - Zero Carbon Kindergarten: Lions Solhuset


Lions Solhuset Kindergarten is located in Horsholm Kommune, north of Copenhagen. The sunshine and fresh air allow children to enjoy a happy life in a healthy environment. It is designed and built according to the principles of Active House. The principles of Active House can be defined. In order to create a comfortable living space for the user without damaging the environment. The design team analyzed the building's natural lighting, energy, and indoor climate while determining the shape and orientation of the building based on where the sun moved, ensuring maximum use of daylight and solar energy. In order to achieve a seamless transition between the various functional areas and indoors and outdoors, the site selection and construction of the building are as natural as possible.






As can be seen from the images, the entire kindergarten's functional area includes large and small event areas, public event rooms and restaurants, and the outdoor area is furnished with typical Danish beaches and meadows. The profiled roof creates a low-pitched interior that ensures maximum use of daylight. On the roof, the designer also arranged intelligent electronic control windows and detection probes that can be automatically switched on and off to ensure indoor air circulation and freshness. When the sun is too strong, the outdoor sunshade can be automatically lowered to block excessive light. All rooms receive sunlight from at least two directions, and the vertical glass curtain wall can make 85% of the light pass through the window. In addition, the designer has set up an integrated weather station on the roof, in addition to recording the outdoor wind direction, wind speed, temperature, and rainfall, it can also be linked with multiple sensors installed in each room, so the kindergarten will turn on or turn off the lights to save energy according to indoor needs and weather conditions, and always monitor the temperature and CO2 concentration levels to adjust the indoor healthy climate.

In order to achieve energy self-sufficiency, a 50-square-meter solar collector panel is installed on the south-facing roof, and a 250-square-meter solar cell converts solar energy into electrical energy, which satisfies the indoor heating, hot water supply and energy requirements of the control system. Therefore, half of the energy in the entire building comes from the sunlight through the roof and the window, and the other half comes from the solar collector and the ground source thermal system. “Active Building” is a forward-looking concept for addressing energy and climate challenges. Lions Solhuset Kindergarten values low energy consumption, a healthy and comfortable indoor environment, and achieves a benign interaction between building properties and regional climate conditions.

References

Passivhus Norden. (2013). Active House – a global guideline for NZEB.
http://www.laganbygg.se/UserFiles/Presentations/19._Session_5_K.Eriksen.pdf

Detail. (2011). Triangle of sustainability. https://www.detail-online.com/article/triangle-of-sustainability-13883/


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