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]]]Built originally in 1994 as the private residence and special project of ], the ] is a one-of-a-kind design. The Heliotrope in ] was the first building in the world to create more energy than it uses, of which is entirely renewable, emissions free and CO<sub>2</sub> neutral. The structure physically rotates to track the sun, which allows it to harness the maximum natural sunlight and warmth possible. Several different energy generation modules are used in the building including a 603 ft<sup>2</sup> ], a ], a ] and ] balcony railings to provide heat and warm water. These innovations in combination with the superior insulation of the residence allow the Heliotrope to produce anywhere between four to six times its energy usage depending on the time of year. The Heliotrope is also fitted with a ] and built-in natural waste composting. ]]]Built originally in 1994 as the private residence and special project of ], the ] is a one-of-a-kind design. The Heliotrope in ] was the first building in the world to create more energy than it uses, of which is entirely renewable, emissions free and CO<sub>2</sub> neutral. The structure physically rotates to track the sun, which allows it to harness the maximum natural sunlight and warmth possible. Several different energy generation modules are used in the building including a 603 ft<sup>2</sup> ], a ], a ] and ] balcony railings to provide heat and warm water. These innovations in combination with the superior insulation of the residence allow the Heliotrope to produce anywhere between four to six times its energy usage depending on the time of year. The Heliotrope is also fitted with a ] and built-in natural waste composting.




Revision as of 12:02, 30 October 2009

Heliotrope in Freiburg

Built originally in 1994 as the private residence and special project of Rolf Disch, the Heliotrope is a one-of-a-kind design. The Heliotrope in Freiburg was the first building in the world to create more energy than it uses, of which is entirely renewable, emissions free and CO2 neutral. The structure physically rotates to track the sun, which allows it to harness the maximum natural sunlight and warmth possible. Several different energy generation modules are used in the building including a 603 ft dual-axis solar photovoltaic tracking panel, a geothermal heat exchanger, a combined heat and power unit (CHP) and solar-thermal balcony railings to provide heat and warm water. These innovations in combination with the superior insulation of the residence allow the Heliotrope to produce anywhere between four to six times its energy usage depending on the time of year. The Heliotrope is also fitted with a grey-water cleansing system and built-in natural waste composting.


At the same time Freiburg’s Heliotrope was built, Hansgrohe contracted Rolf Disch Solar Architecture to design and build another Heliotrope to be used as a visitor’s center and showroom in Offenburg, Germany. A third Heliotrope was then contracted and built in Hilpoltstein, Bavaria to be used as a technical dental laboratory. Disch’s unique design accommodates different utilization from private residences to laboratories, and nevertheless maintains the structure’s positive energy balance.

In addition to the original Heliotrope design, Rolf Disch has drawn plans for larger versions of the project to be built as a rotating hotel, which gives every guest a beautiful view, as well as administrative buildings and even an exhibition pavilion for the EXPO 2010 in Shanghai.

  • Bird's eye view of the Heliotrope in Freiburg Bird's eye view of the Heliotrope in Freiburg
  • Heliotrope-Hotel Schloss Waretenstein Heliotrope-Hotel Schloss Waretenstein

PlusEnergy

PlusEnergy is a coined concept developed by Rolf Disch that indicates a structure’s extreme energy efficiency so that it holds a positive energy balance, actually producing more energy than it uses. With the completion of his private residence, the Heliotrope, in 1994, Disch had created the first PlusEnergy house in the world. The sheer logic of a home that creates more energy than it consumes made perfect sense to Disch. His next goal in its development was thus the mass application of the concept to residential, commercial and retail space. As the concept further developed and gained financial backing as well, Disch built several more projects with PlusEnergy certifications. PlusEnergy is a simple concept that has been materialized in a technical design. “PlusEnergy is a fundamental environmental imperative,” Disch claims. Disch believes that passive building isn’t enough because passive homes still emit CO2 into the atmosphere – we can solar activate our homes!

Awards

2008 German Sustainablity Award
2007-08 Japanese PEN-Magazine Creativity Award
2005 Wuppertal Energy and Environment Prize
2003 Global Energy Award
2002 European Solar Prize
2001 Photovoltaic Architecture Prize Baden-Württemberg

Selected Works

See Also

References

  1. www.rolfdisch.de