[1]The Heliotrope is an environmentally friendly housing project by German architect Rolf Disch. There are three such buildings in Germany. The first experimental version was built in 1994 as the architect's home in Freiburg im Breisgau, while the other two were used as exhibition buildings for the Hansgrohe company in Offenburg and a dentist's lab in Hilpoltstein in Bavaria.
At the same time that Freiburg ’s Heliotrope was built, Hansgrohe contracted Disch's architecture practice to design and build another Heliotrope to be used as a visitor’s center and showroom in Offenburg, Germany. A third one was then contracted and built in Hilpoltstein, Bavaria to be used as a technical dental laboratory. Disch's unique design accommodates different utilizations from private residences to laboratories, and nevertheless maintains the structure's positive energy balance.[citation needed]
Heliotrop Rotating House
Bird's eye view of the Heliotrope in Freiburg
Heliotrope-Hotel Schloss Waretenstein
Disch also designed the Sonnenschiff office complex.
PlusEnergy is a concept coined by Rolf Disch that indicates a structure's energy efficiency. A PlusEnergy building holds a positive energy balance, generating more energy than it uses. The first Heliotrope Disch built in 1994 was the first house to be PlusEnergy certified. Disch built several more projects with PlusEnergy certifications with the goal of bringing the concept to the residential, commercial and retail space. “PlusEnergy is a fundamental environmental imperative,” Disch claims.[4][not specific enough to verify] Disch believes that passive building is not enough because passive homes still emit CO2 into the atmosphere.[citation needed]
Environment and energy needsedit
The house is designed to face the sun with its triple-pane windows (U = 0.5) during the heating months of the year and turn its highly insulated back (U = 0.12) to the sun during the warmer months when heating isn't necessary. This significantly reduces heating and cooling requirements for the building throughout the year, which are provided for by a heat pump, while hot water is provided by vacuum-tube solar panels.[citation needed]
Photovoltaic solar panels with a rated power of 6.6 kW on its roof provide five to six times more energy than the building uses, making the building "energy positive" (PlusEnergy). To further improve energy generation, the panels also rotate independently of the building to follow the sun, while being able to adapt its orientation in case of strong winds.
Water usage and natural waste managementedit
In order to limit water usage, a gray water circuit (for washing dishes and clothes) is used.Wastewater is purified in a vegetated cascade pond outside the edifice and it also collects rainwater.
Natural waste and excrement are dry composted in the structure as well.
Article in Chinese with some pictures of the house (in Chinese)
Solar Settlement and Sun Ship Video
(archived 2014)
April 11, 2024
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This article has multiple issues Please help improve it or discuss these issues on the talk page Learn how and when to remove these template messages This article includes a list of general references but it lacks sufficient corresponding inline citations Please help to improve this article by introducing more precise citations February 2022 Learn how and when to remove this template message This article contains content that is written like an advertisement Please help improve it by removing promotional content and inappropriate external links and by adding encyclopedic content written from a neutral point of view February 2022 Learn how and when to remove this template message A major contributor to this article appears to have a close connection with its subject It may require cleanup to comply with Wikipedia s content policies particularly neutral point of view Please discuss further on the talk page February 2022 Learn how and when to remove this template message This article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Heliotrope building news newspapers books scholar JSTOR July 2022 Learn how and when to remove this template message Learn how and when to remove this template message 1 The Heliotrope is an environmentally friendly housing project by German architect Rolf Disch There are three such buildings in Germany The first experimental version was built in 1994 as the architect s home in Freiburg im Breisgau while the other two were used as exhibition buildings for the Hansgrohe company in Offenburg and a dentist s lab in Hilpoltstein in Bavaria Heliotrope in FreiburgSeveral different energy generation modules are used in the building including a 603 sq ft 56 0 m2 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 along with the favorable insulation of the residence allows the Heliotrope to capture anywhere between four and six times its energy usage depending on the time of year 2 3 The Heliotrope is also fitted with a grey water cleansing system and built in natural waste composting At the same time that Freiburg s Heliotrope was built Hansgrohe contracted Disch s architecture practice to design and build another Heliotrope to be used as a visitor s center and showroom in Offenburg Germany A third one was then contracted and built in Hilpoltstein Bavaria to be used as a technical dental laboratory Disch s unique design accommodates different utilizations from private residences to laboratories and nevertheless maintains the structure s positive energy balance citation needed Heliotrop Rotating HouseBird s eye view of the Heliotrope in FreiburgHeliotrope Hotel Schloss Waretenstein Disch also designed the Sonnenschiff office complex Contents 1 PlusEnergy 2 Environment and energy needs 3 Water usage and natural waste management 4 Awards 5 Selected works 6 See also 7 Notes 8 External linksPlusEnergy editPlusEnergy is a concept coined by Rolf Disch that indicates a structure s energy efficiency A PlusEnergy building holds a positive energy balance generating more energy than it uses The first Heliotrope Disch built in 1994 was the first house to be PlusEnergy certified Disch built several more projects with PlusEnergy certifications with the goal of bringing the concept to the residential commercial and retail space PlusEnergy is a fundamental environmental imperative Disch claims 4 not specific enough to verify Disch believes that passive building is not enough because passive homes still emit CO2 into the atmosphere citation needed Environment and energy needs editThe house is designed to face the sun with its triple pane windows U 0 5 during the heating months of the year and turn its highly insulated back U 0 12 to the sun during the warmer months when heating isn t necessary This significantly reduces heating and cooling requirements for the building throughout the year which are provided for by a heat pump while hot water is provided by vacuum tube solar panels citation needed Photovoltaic solar panels with a rated power of 6 6 kW on its roof provide five to six times more energy than the building uses making the building energy positive PlusEnergy To further improve energy generation the panels also rotate independently of the building to follow the sun while being able to adapt its orientation in case of strong winds Water usage and natural waste management editIn order to limit water usage a gray water circuit for washing dishes and clothes is used Wastewater is purified in a vegetated cascade pond outside the edifice and it also collects rainwater Natural waste and excrement are dry composted in the structure as well Awards edit2008 German Sustainability 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 WurttembergSelected works editThis article needs additional citations for verification Please help improve this article by adding citations to reliable sources Unsourced material may be challenged and removed Find sources Heliotrope building news newspapers books scholar JSTOR July 2022 Learn how and when to remove this template message Heliotrope Vauban Freiburg 1994 Heliotrope Offenburg 1994 Heliotrope Hilpoltstein 1995 nbsp Heliotrope in Vauban Freiburg 1994 nbsp Heliotrope built for Hansgrohe in Offenburg 1994See also editSustainable architecture Sun Ship Solar Settlement Energy plus house Passive solar design Anti nuclear movement in Germany Green building Zero energy building Villa GirasoleNotes edit Heliotrop Rotating House Architectuul Retrieved 2023 04 28 PlusEnergyHouse Heliotrope sdg21 16 August 2004 Retrieved 2023 04 28 Solceller Solar Energy Home rolfdisch de External links editOfficial website of the Heliotrop in English Freshome com brief description with pictures archived 2014 Article in Chinese with some pictures of the house in Chinese Solar Settlement and Sun Ship Video PlusEnergy archived 2014 Retrieved from https en wikipedia org w index php title Heliotrope building amp oldid 1211873765, wikipedia, wiki, book, books, library,
