Gallery: Striking Solar Equinox Passive House Aligns With the Sun in Bu...

 
Taking cues from the home's hilly site, Ignatov Architects came up with a plan that fit in with the surroundings and took advantage of the seaside views.

Taking cues from the home’s hilly site, Ignatov Architects came up with a plan that fit in with the surroundings and took advantage of the seaside views. The home is built into the hillside and oriented due south to make the most of the sun and the constant temps of the earth. A green roof wraps up and over the top of the two-story home and adds additional lawn space as well as insulation. A super tight and insulated envelope minimizes energy loss and works to maintain a comfortable climate indoors.

Where it gets interesting is how the front of the house was built in order to align with the sun. The front wall of triple-paned glass is inverted to perfectly match the angle of the sun on the solstice at that location. This means no sun at all gets into the house in the middle of the summer. Conversely, at the winter equinox the low sun angle hits the middle of the swimming pool on the patio and bounces into the house to provide additional daylighting. The home also features a roof oculus that allows a ray of light to shine into the house to act as a annual calendar marking the progression of the days throughout the seasons.

Besides the green roof and Passive House design standards, the home also works to recover rainwater. A small bio-active wastewater treatment unit turns waste into dry bio-compost and irrigation water. A natural ventilation and recovery system along with rooftop solar panels provide passive heating and cooling. If extra heat is needed, a ground source heat pump provides it and the solar hot water panels provide extra heating for the pool. Local labor and materials were provided used exclusively to lower costs and emissions associated with transportation. The 5,543-square-foot home was completed in 2012.

+ Ignatov Architects

Via eVolo

Images ©Ignatov Architects

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