{"id":7403,"date":"2004-08-16T16:59:17","date_gmt":"2004-08-16T14:59:17","guid":{"rendered":"https:\/\/www.siedlungen.eu\/?p=7403"},"modified":"2020-12-25T13:37:26","modified_gmt":"2020-12-25T12:37:26","slug":"plusenergiehaus-heliotrop","status":"publish","type":"db","link":"https:\/\/sdg21.eu\/en\/db\/plusenergiehaus-heliotrop","title":{"rendered":"Plus energy house \"Heliotrope"},"content":{"rendered":"<p><strong><a href=\"http:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-7584 size-medium\" title=\"Photo: H. Wolpensinger\" src=\"http:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-209x300.jpg\" alt=\"heliotrop_freiburg\" width=\"209\" height=\"300\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-209x300.jpg 209w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-390x560.jpg 390w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-174x250.jpg 174w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-768x1102.jpg 768w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-112x160.jpg 112w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-714x1024.jpg 714w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-100x144.jpg 100w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-70x100.jpg 70w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg.jpg 833w\" sizes=\"auto, (max-width: 209px) 100vw, 209px\" \/><\/a>79100 Freiburg:<\/strong> the house turns to the sun and produces more solar energy than it consumes on average over the year. The house of the architect Rolf Disch, a pioneer of solar architecture, is probably one of the first and best-known plus-energy houses in the world. The Heliotrope is one of the few residential buildings in Europe to have a building-integrated biaxial tracking PV system. Completion: 1994<br \/>\n<!--more--><\/p>\n<table style=\"width: 100%;\" border=\"0\" cellspacing=\"3\" cellpadding=\"3\" align=\"center\">\n<tbody>\n<tr>\n<td style=\"width: 22.9846%;\"><strong>Street\/District<\/strong><\/td>\n<td style=\"width: 76.8439%;\">Ziegelweg \/ Merzhausen<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.9846%;\" valign=\"top\"><strong>Completion<\/strong><\/td>\n<td style=\"width: 76.8439%;\" valign=\"top\">1994<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.9846%;\" valign=\"top\"><strong>Location<\/strong><\/td>\n<td style=\"width: 76.8439%;\" valign=\"top\">land deemed not to be developable<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.9846%;\" valign=\"top\"><strong>Type<\/strong><\/td>\n<td style=\"width: 76.8439%;\" valign=\"top\"><span lang=\"EN-GB\">wooden construction, prefabricated in models, as new building<br \/>\n<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.9846%;\" valign=\"top\"><strong>Residential units<\/strong><\/td>\n<td style=\"width: 76.8439%;\" valign=\"top\">1<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.9846%;\" valign=\"top\"><strong>Residents<\/strong><\/td>\n<td style=\"width: 76.8439%;\" valign=\"top\">2<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.9846%;\" valign=\"top\"><strong>Form of ownership<\/strong><\/td>\n<td style=\"width: 76.8439%;\" valign=\"top\">Condo<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div><form autocomplete=\"off\" name=\"wpv-filter-24625-TCPID7403\" action=\"\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24625-TCPID7403\" method=\"get\" class=\"wpv-filter-form js-wpv-filter-form js-wpv-filter-form-24625-TCPID7403 js-wpv-form-full\" data-viewnumber=\"24625-TCPID7403\" data-viewid=\"24625\" data-viewhash=\"eyJuYW1lIjoiZm90b2dhbGVyaWVuLWluLXByb2pla3RzdGVja2JyaWVmLWFuemVpZ2VuIn0=\" data-viewwidgetid=\"0\" data-orderby=\"\" data-order=\"\" data-orderbyas=\"\" data-orderbysecond=\"\" data-ordersecond=\"\" data-parametric=\"{&quot;query&quot;:&quot;normal&quot;,&quot;id&quot;:&quot;24625&quot;,&quot;view_id&quot;:&quot;24625&quot;,&quot;widget_id&quot;:0,&quot;view_hash&quot;:&quot;24625-TCPID7403&quot;,&quot;action&quot;:&quot;\\\/en\\\/wp-json\\\/wp\\\/v2\\\/db\\\/7403?wpv_view_count=24625-TCPID7403&quot;,&quot;sort&quot;:{&quot;orderby&quot;:&quot;&quot;,&quot;order&quot;:&quot;&quot;,&quot;orderby_as&quot;:&quot;&quot;,&quot;orderby_second&quot;:&quot;&quot;,&quot;order_second&quot;:&quot;&quot;},&quot;orderby&quot;:&quot;&quot;,&quot;order&quot;:&quot;&quot;,&quot;orderby_as&quot;:&quot;&quot;,&quot;orderby_second&quot;:&quot;&quot;,&quot;order_second&quot;:&quot;&quot;,&quot;ajax_form&quot;:&quot;&quot;,&quot;ajax_results&quot;:&quot;&quot;,&quot;effect&quot;:&quot;fade&quot;,&quot;prebefore&quot;:&quot;&quot;,&quot;before&quot;:&quot;&quot;,&quot;after&quot;:&quot;&quot;,&quot;attributes&quot;:[],&quot;environment&quot;:{&quot;current_post_id&quot;:7403,&quot;parent_post_id&quot;:7403,&quot;parent_term_id&quot;:0,&quot;parent_user_id&quot;:0,&quot;archive&quot;:{&quot;type&quot;:&quot;&quot;,&quot;name&quot;:&quot;&quot;,&quot;data&quot;:[]}},&quot;loop&quot;:{&quot;type&quot;:&quot;&quot;,&quot;name&quot;:&quot;&quot;,&quot;data&quot;:[],&quot;id&quot;:0}}\" data-attributes=\"[]\" data-environment=\"{&quot;current_post_id&quot;:7403,&quot;parent_post_id&quot;:7403,&quot;parent_term_id&quot;:0,&quot;parent_user_id&quot;:0,&quot;archive&quot;:{&quot;type&quot;:&quot;&quot;,&quot;name&quot;:&quot;&quot;,&quot;data&quot;:[]}}\" data-trp-original-action=\"\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24625-TCPID7403\"><input type=\"hidden\" class=\"js-wpv-dps-filter-data js-wpv-filter-data-for-this-form\" data-action=\"\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24625-TCPID7403\" data-page=\"1\" data-ajax=\"disable\" data-effect=\"fade\" data-maxpages=\"0\" data-ajaxprebefore=\"\" data-ajaxbefore=\"\" data-ajaxafter=\"\" \/><input class=\"wpv_view_count wpv_view_count-24625-TCPID7403\" type=\"hidden\" name=\"wpv_view_count\" value=\"24625-TCPID7403\" \/>\n\n<input type=\"hidden\" name=\"trp-form-language\" value=\"en\"\/><\/form>\n<div id=\"wpv-view-layout-24625-TCPID7403\" class=\"js-wpv-view-layout js-wpv-layout-responsive js-wpv-view-layout-24625-TCPID7403\" data-viewnumber=\"24625-TCPID7403\" data-pagination=\"{&quot;id&quot;:&quot;24625&quot;,&quot;query&quot;:&quot;normal&quot;,&quot;type&quot;:&quot;disabled&quot;,&quot;effect&quot;:&quot;fade&quot;,&quot;duration&quot;:500,&quot;speed&quot;:7,&quot;pause_on_hover&quot;:&quot;enabled&quot;,&quot;stop_rollover&quot;:&quot;false&quot;,&quot;cache_pages&quot;:&quot;enabled&quot;,&quot;preload_images&quot;:&quot;enabled&quot;,&quot;preload_pages&quot;:&quot;enabled&quot;,&quot;preload_reach&quot;:2,&quot;spinner&quot;:&quot;builtin&quot;,&quot;spinner_image&quot;:&quot;&quot;,&quot;callback_next&quot;:&quot;&quot;,&quot;manage_history&quot;:&quot;disabled&quot;,&quot;has_controls_in_form&quot;:&quot;disabled&quot;,&quot;infinite_tolerance&quot;:0,&quot;max_pages&quot;:0,&quot;page&quot;:1,&quot;base_permalink&quot;:&quot;\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24625-TCPID7403&amp;wpv_paged=WPV_PAGE_NUM&quot;,&quot;loop&quot;:{&quot;type&quot;:&quot;&quot;,&quot;name&quot;:&quot;&quot;,&quot;data&quot;:[],&quot;id&quot;:0}}\" data-permalink=\"\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24625-TCPID7403\">\n\n\t\n\t\n\t<table width=\"100%;\">\n\t\t<tbody class=\"wpv-loop js-wpv-loop\">\n\t\t\n\t\t\t<tr>\n              <h3>Photo gallery 2004<\/h3><span style=\"font-size: 9pt;\"><\/span><br class=\"clear\" \/>\n<div id='gallery-1' class='czr-gallery row flex-row gallery galleryid-0 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon portrait czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-13.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"188\" height=\"250\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-13-188x250.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-13-188x250.jpg 188w, https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-13.jpg 263w\" \/>\r\n                        <\/div><\/figure><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon landscape czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-15.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"188\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-15-250x188.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-15-250x188.jpg 250w, https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-15.jpg 350w\" \/>\r\n                        <\/div><\/figure><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon portrait czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-6.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"188\" height=\"250\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-6-188x250.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-6-188x250.jpg 188w, https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-6.jpg 263w\" \/>\r\n                        <\/div><\/figure><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon portrait czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-2.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"188\" height=\"250\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-2-188x250.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-2-188x250.jpg 188w, https:\/\/sdg21.eu\/wp-content\/uploads\/2020\/12\/Heliotrop-Plusenergiehaus-2.jpg 263w\" \/>\r\n                        <\/div><\/figure>\r\n                  <\/div>\n\n<a href=\"https:\/\/sdg21.eu\/en\/galleries\/fotogalerie-2004-plusenergiehaus-heliotrop-in-freiburg\">View all 17 photos &gt;&gt; <\/a>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n\t\t\t<\/tr>\n\t\t\n\t\t\t<tr>\n              <h3>Photo gallery 1996<\/h3><span style=\"font-size: 9pt;\"><\/span><br class=\"clear\" \/>\n<div id='gallery-2' class='czr-gallery row flex-row gallery galleryid-0 gallery-columns-4 gallery-size-thumbnail'><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon portrait czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"174\" height=\"250\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-174x250.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-174x250.jpg 174w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-390x560.jpg 390w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-892x1280.jpg 892w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-768x1102.jpg 768w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-1071x1536.jpg 1071w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-112x160.jpg 112w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-209x300.jpg 209w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-714x1024.jpg 714w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1-100x144.jpg 100w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-1.jpg 1235w\" \/>\r\n                        <\/div><\/figure><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon portrait czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"171\" height=\"250\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-171x250.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-171x250.jpg 171w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-383x560.jpg 383w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-768x1122.jpg 768w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-110x160.jpg 110w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-205x300.jpg 205w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-701x1024.jpg 701w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3-99x144.jpg 99w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-3.jpg 819w\" \/>\r\n                        <\/div><\/figure><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon landscape czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"170\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-250x170.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-250x170.jpg 250w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-560x380.jpg 560w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-768x521.jpg 768w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-160x108.jpg 160w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-300x203.jpg 300w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-1024x694.jpg 1024w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2-144x98.jpg 144w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-2.jpg 1196w\" \/>\r\n                        <\/div><\/figure><figure class='gallery-item col col-auto'>\r\n                        <div class='gallery-icon landscape czr-gallery-icon'>\r\n                              <a href=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4.jpg\" class=\"bg-link\"><\/a><img loading=\"lazy\" decoding=\"async\" width=\"250\" height=\"171\" src=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-250x171.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"\" sizes=\"auto, (min-width: 1200px) 255px, (min-width: 992px) 210px, (min-width: 768px) 150px, (min-width: 576px) 105px, calc( 50vw - 30px )\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-250x171.jpg 250w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-560x382.jpg 560w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-768x524.jpg 768w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-160x109.jpg 160w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-300x205.jpg 300w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-1024x699.jpg 1024w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4-144x98.jpg 144w, https:\/\/sdg21.eu\/wp-content\/uploads\/2019\/10\/heliotrop-4.jpg 1196w\" \/>\r\n                        <\/div><\/figure>\r\n                  <\/div>\n\n<a href=\"https:\/\/sdg21.eu\/en\/galleries\/fotogalerie-2005-plusenergiehaus-heliotrop-in-freiburg\">View all 4 photos &gt;&gt; <\/a>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n\t\t\t<\/tr>\n\t\t\n\t\t<\/tbody>\n\t<\/table>\n\t\n\t\n\n\t\n<\/div>\n\n<table style=\"width: 95%; height: 309px;\" border=\"0\" width=\"95%\" cellspacing=\"3\" cellpadding=\"3\" align=\"center\">\n<tbody>\n<tr style=\"height: 77px;\">\n<td style=\"width: 97%; height: 35px;\" colspan=\"2\" valign=\"top\"><strong>Sustainability measures<span class=\"TextFett\"><a href=\"https:\/\/oekosiedlungen.de\/heliotrop\/matrix.pdf\"><img loading=\"lazy\" decoding=\"async\" class=\"alignright\" src=\"https:\/\/oekosiedlungen.de\/ranking\/A-DCBA-Level.jpg\" width=\"170\" height=\"43\" border=\"0\" \/><\/a><\/span><\/strong><\/td>\n<\/tr>\n<tr style=\"height: 193px;\">\n<td style=\"width: 16.8429%; height: 141px;\" valign=\"top\"><strong>Ecology<\/strong><\/td>\n<td style=\"width: 80.1571%; height: 141px;\" valign=\"top\">PlusEnergy house: the photovoltaic system on the roof generates more electrical energy than the building consumes.<br \/>\nOptimal use of solar energy due to the possibility of orienting the building in the optimal direction. It turned out that the re-turning requires only a little electricity (comparable to a video recorder in stand-by), but it does not lead to any major solar gains. However, the turning mechanism is very suitable for achieving summer thermal protection.use of rainwater, use of a dry composting toilet and clarification of wastewater in a reed bed sewage treatment plant.<\/td>\n<\/tr>\n<tr style=\"height: 101px;\">\n<td style=\"width: 16.8429%; height: 10px;\" valign=\"top\"><strong>Economics<\/strong><\/td>\n<td style=\"width: 80.1571%; height: 10px; vertical-align: top;\" valign=\"top\">The rotating mechanism for the building was cheaper than a shading system.<\/p>\n<p>Parts of the development and construction of the building were funded by the Ministry of Economic Affairs and Technology of the State of Baden-W\u00fcrttemberg.<\/td>\n<\/tr>\n<tr style=\"height: 65px;\">\n<td style=\"width: 16.8429%; height: 10px;\" valign=\"top\"><strong>Socio-cultural<\/strong><\/td>\n<td style=\"width: 80.1571%; height: 10px;\" valign=\"top\">The Heliotrope is used as an image carrier for ecological building, as it arouses great public interest due to its innovative form.<\/td>\n<\/tr>\n<tr style=\"height: 89px;\">\n<td style=\"width: 16.8429%; height: 40px;\" valign=\"top\"><strong>Special features<\/strong><\/td>\n<td style=\"width: 80.1571%; height: 40px;\" valign=\"top\">The Heliotrope is one of only a few houses that has a dual-axis tracking PV system. With an optimally designed system, this results in an annual average of up to 45% additional yield compared to a system mounted permanently facing south.<\/td>\n<\/tr>\n<tr style=\"height: 73px;\">\n<td style=\"width: 16.8429%; vertical-align: top; height: 73px;\"><strong>Awards<br \/>\n<\/strong><\/td>\n<td style=\"width: 80.1571%; height: 73px;\">Special prize at the competition \"The Golden House\" 1996<br \/>\nSpecial prize at the competition \"Freiburger Innovationspreis\" 1996<br \/>\nGerman Architecture Award 1995 Recognition<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n\n\n\n<div id=\"wpv-view-layout-24392-TCPID7403\" class=\"js-wpv-view-layout js-wpv-layout-responsive js-wpv-view-layout-24392-TCPID7403\" data-viewnumber=\"24392-TCPID7403\" data-pagination=\"{&quot;id&quot;:&quot;24392&quot;,&quot;query&quot;:&quot;normal&quot;,&quot;type&quot;:&quot;disabled&quot;,&quot;effect&quot;:&quot;fade&quot;,&quot;duration&quot;:500,&quot;speed&quot;:5,&quot;pause_on_hover&quot;:&quot;disabled&quot;,&quot;stop_rollover&quot;:&quot;false&quot;,&quot;cache_pages&quot;:&quot;enabled&quot;,&quot;preload_images&quot;:&quot;enabled&quot;,&quot;preload_pages&quot;:&quot;enabled&quot;,&quot;preload_reach&quot;:1,&quot;spinner&quot;:&quot;builtin&quot;,&quot;spinner_image&quot;:&quot;https:\/\/sdg21.eu\/wp-content\/plugins\/wp-views\/embedded\/res\/img\/ajax-loader.gif&quot;,&quot;callback_next&quot;:&quot;&quot;,&quot;manage_history&quot;:&quot;disabled&quot;,&quot;has_controls_in_form&quot;:&quot;disabled&quot;,&quot;infinite_tolerance&quot;:&quot;0&quot;,&quot;max_pages&quot;:0,&quot;page&quot;:1,&quot;base_permalink&quot;:&quot;\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24392-TCPID7403&amp;wpv_paged=WPV_PAGE_NUM&quot;,&quot;loop&quot;:{&quot;type&quot;:&quot;&quot;,&quot;name&quot;:&quot;&quot;,&quot;data&quot;:[],&quot;id&quot;:0}}\" data-permalink=\"\/en\/wp-json\/wp\/v2\/db\/7403?wpv_view_count=24392-TCPID7403\">\n\n\t\n\t\n\t\t\n\t\t<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<h3><a href=\"https:\/\/sdg21.eu\/en\/blog\/video-2018-ueber-das-plusenergiehaus-heliotrop-von-rolf-disch-in-freiburg\">Video (2018) about the PlusEnergy house \"Heliotrop\" by Rolf Disch in Freiburg, Germany.<\/a><\/h3> \n<span style=\"font-size: 9pt;\"><\/span><br class=\"clear\" \/>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/SH3VtlxmZrA\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n<br class=\"clear\" \/>\n<br \/>\n<a href=\"https:\/\/sdg21.eu\/en\/blog\/video-2018-ueber-das-plusenergiehaus-heliotrop-von-rolf-disch-in-freiburg\">Show the whole blog post &gt;&gt; <\/a>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n\t\t\n\t\t<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<h3><a href=\"https:\/\/sdg21.eu\/en\/blog\/video-rolf-disch-wird-70-2014\">Video (2014) \"Rolf Disch turns 70\".<\/a><\/h3> \n<span style=\"font-size: 9pt;\"><\/span><br class=\"clear\" \/>\n<p><iframe loading=\"lazy\" src=\"\/\/www.youtube.com\/embed\/ISQ-mRW9t38\" width=\"560\" height=\"314\" allowfullscreen=\"allowfullscreen\"><\/iframe><\/p>\n\n<br class=\"clear\" \/>\n<br \/>\n<a href=\"https:\/\/sdg21.eu\/en\/blog\/video-rolf-disch-wird-70-2014\">Show the whole blog post &gt;&gt; <\/a>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n<div class=\"su-spacer\" style=\"height:20px\"><\/div>\n\t\t\n\t\n\t\n\t\n<\/div>\n\n<table style=\"width: 100.172%;\" border=\"0\" cellspacing=\"3\" cellpadding=\"3\" align=\"center\">\n<tbody>\n<tr>\n<td style=\"width: 22.6415%;\" valign=\"top\"><strong>Literature<\/strong><\/td>\n<td style=\"width: 77.187%;\" valign=\"top\">Schl\u00f6tzer, Adolf: Der Heliotrop: seine Geschichte, Konstruktion und Genauigkeit \/ presented by Adolf Schl\u00f6tzer, 1909 Munich, Techn. Hochsch., offprint from: Zeitschr. des Bayer. Geometerverein ; Vol. 13<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.6415%;\" valign=\"top\"><strong>Link<\/strong><\/td>\n<td style=\"width: 77.187%;\" valign=\"top\"><a href=\"http:\/\/www.rolfdisch.de\/projekte\/das-heliotrop\/\" target=\"_blank\" rel=\"noopener noreferrer\">www.rolfdisch.de\/...das-heliotrop<\/a><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.6415%;\" valign=\"top\"><strong>Contact<\/strong><\/td>\n<td style=\"width: 77.187%;\" valign=\"top\">Rolf Disch, Architect's Office, Wiesentalstr. 19, 79115 Freiburg, Germany<\/td>\n<\/tr>\n<tr>\n<td style=\"width: 22.6415%;\" valign=\"top\"><strong>Text<\/strong><\/td>\n<td style=\"width: 77.187%;\" valign=\"top\">Sandra Metzner, Karlsruhe 2004<\/td>\n<\/tr>\n<\/tbody>\n<\/table>","protected":false},"excerpt":{"rendered":"<p><strong><a href=\"http:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignleft wp-image-7584 size-medium\" title=\"Photo: H. Wolpensinger\" src=\"http:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-209x300.jpg\" alt=\"heliotrop_freiburg\" width=\"209\" height=\"300\" srcset=\"https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-209x300.jpg 209w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-390x560.jpg 390w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-174x250.jpg 174w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-768x1102.jpg 768w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-112x160.jpg 112w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-714x1024.jpg 714w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-100x144.jpg 100w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg-70x100.jpg 70w, https:\/\/sdg21.eu\/wp-content\/uploads\/2016\/08\/heliotrop_freiburg.jpg 833w\" sizes=\"auto, (max-width: 209px) 100vw, 209px\" \/><\/a>79100 Freiburg:<\/strong> the house turns to the sun and produces more solar energy than it consumes on average over the year. The house of the architect Rolf Disch, a pioneer of solar architecture, is probably one of the first and best-known plus-energy houses in the world. The Heliotrope is one of the few residential buildings in Europe to have a building-integrated biaxial tracking PV system. Completion: 1994<\/p>","protected":false},"featured_media":0,"template":"","meta":[],"tags":[47,131,245],"planungsbuero":[128],"dekade":[258],"bundesland":[293],"nation":[406],"groesse":[400],"thema":[654,661,665,678,634,684,687,699,700,702,706],"bewertung":[965],"stadtregion":[282],"einzel-projekt":[],"typ":[1087],"holzbauweise":[],"geschoss":[],"charakteristik":[208],"class_list":{"0":"post-7403","1":"db","2":"type-db","3":"status-publish","5":"tag-holzbau","6":"tag-modellgebaeude","7":"tag-plusenergiehaus","8":"planungsbuero-rolf-disch","9":"dekade-1990-1999","10":"bundesland-bawue","11":"nation-de","12":"groesse-xxs","13":"thema-dachbegruenungen","14":"thema-erneuerbare","15":"thema-fotovoltaik","16":"thema-historische-projekte-ab-1980","17":"thema-holzbau","18":"thema-kompost-oder-trenntoiletten","19":"thema-modellgebaeude","20":"thema-pflanzenklaeranlage","21":"thema-plusenergiehaus","22":"thema-regenwasserversickerung","23":"thema-solararchitektur","24":"bewertung-gesamtwertung-a","25":"stadtregion-freiburg-und-umland","26":"typ-gebaeude","27":"charakteristik-3-bis-4-geschosse","28":"gallery-content-unit","29":"czr-hentry"},"aioseo_notices":[],"_links":{"self":[{"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/db\/7403","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/db"}],"about":[{"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/types\/db"}],"wp:attachment":[{"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/media?parent=7403"}],"wp:term":[{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/tags?post=7403"},{"taxonomy":"planungsbuero","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/planungsbuero?post=7403"},{"taxonomy":"dekade","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/dekade?post=7403"},{"taxonomy":"bundesland","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/bundesland?post=7403"},{"taxonomy":"nation","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/nation?post=7403"},{"taxonomy":"groesse","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/groesse?post=7403"},{"taxonomy":"thema","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/thema?post=7403"},{"taxonomy":"bewertung","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/bewertung?post=7403"},{"taxonomy":"stadtregion","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/stadtregion?post=7403"},{"taxonomy":"einzel-projekt","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/einzel-projekt?post=7403"},{"taxonomy":"typ","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/typ?post=7403"},{"taxonomy":"holzbauweise","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/holzbauweise?post=7403"},{"taxonomy":"geschoss","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/geschoss?post=7403"},{"taxonomy":"charakteristik","embeddable":true,"href":"https:\/\/sdg21.eu\/en\/wp-json\/wp\/v2\/charakteristik?post=7403"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}