Equinox Passive House doubles as solar calendar
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Equinox House's tilting south facade lines up with the noon Sun on the summer solstice (Photo: Ignatov Architects)
Equinox House's south-facing pool doubles as a reflector, bouncing light into the house (Photo: Ignatov Architects)
Thanks to its sloping green roof, Equinox House keeps a low profile viewed from the north (Photo: Ignatov Architects)
Triple glazing has been used throughout (Photo: Ignatov Architects)
Equinox House's south-facing pool doubles as a reflector, bouncing light into the house (Photo: Ignatov Architects)
Equinox House's tilting south facade lines up with the noon Sun on the summer solstice (Photo: Ignatov Architects)
Triple glazing has been used throughout (Photo: Ignatov Architects)
Equinox House's tilting south facade lines up with the noon Sun on the summer solstice (Photo: Ignatov Architects)
Equinox House's south-facing pool doubles as a reflector, bouncing light into the house (Photo: Ignatov Architects)
Essentially a shrunken skylight, the oculus creates a concentrated sunspot inside the living room on clear days (Photo: Ignatov Architects)
(Photo: Ignatov Architects)
Essentially a shrunken skylight, the oculus creates a concentrated sunspot inside the living room on clear days (Photo: Ignatov Architects)
(Photo: Ignatov Architects)
(Photo: Ignatov Architects)
Equinox House's south-facing pool doubles as a reflector, bouncing light into the house (Photo: Ignatov Architects)
Equinox House's south-facing pool doubles as a reflector, bouncing light into the house (Photo: Ignatov Architects)
The building is cut into the hill (Photo: Ignatov Architects)
Entrance via the roof (Photo: Ignatov Architects)
Entrance via the roof (Photo: Ignatov Architects)
Diagram of the layout of Equinox House (Image: Ignatov Architects)
Visualization of Equinox House's interior (Image: Ignatov Architects)
Visualization of Equinox House's interior (Image: Ignatov Architects)
Equinox House's place in the world (Image: Ignatov Architects)
Equinox House's relationship to the sun (Image: Ignatov Architects)
Equinox House's oculus explained (Image: Ignatov Architects)
Article Summary
Modern passive house it may be, but as its name suggests, the showstopper at Equinox House in Bulgaria harkens to ancient times when humans built buildings in veneration to heavenly bodies. A narrow aperture in the roof transforms the house into a solar calendar leading it's designer, Ignatov Architects, to refer to the house as a "celestial instrument."
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