{"id":162142,"date":"2026-08-04T10:28:18","date_gmt":"2026-08-04T08:28:18","guid":{"rendered":"https:\/\/www.immo-invest.ch\/wenn-oekologie-zur-rendite-wird\/"},"modified":"2026-08-04T11:27:34","modified_gmt":"2026-08-04T09:27:34","slug":"wenn-oekologie-zur-rendite-wird","status":"publish","type":"post","link":"https:\/\/www.immo-invest.ch\/fr\/wenn-oekologie-zur-rendite-wird\/","title":{"rendered":"Quand l&rsquo;\u00e9cologie devient source de rentabilit\u00e9"},"content":{"rendered":"\n\n<p class=\"wp-block-paragraph\">Le parking \u00e0 structure hybride prim\u00e9, situ\u00e9 sur le campus de recherche \u00ab co-operate \u00bb, allie des mesures \u00e9cologiques telles qu&rsquo;une installation solaire, un syst\u00e8me innovant de stockage de chaleur g\u00e9othermique et une r\u00e9duction de la consommation de ciment gr\u00e2ce \u00e0 une construction hybride bois-b\u00e9ton, \u00e0 un environnement quasi sans voiture. Mais un d\u00e9tail, qui ne saute pas aux yeux au premier abord, est d\u00e9terminant : le b\u00e2timent a \u00e9t\u00e9 con\u00e7u d\u00e8s le d\u00e9part pour une r\u00e9affectation ult\u00e9rieure. La construction modulaire \u00e0 partir d\u2019\u00e9l\u00e9ments pr\u00e9fabriqu\u00e9s d\u00e9montables, la fa\u00e7ade en bois baign\u00e9e de lumi\u00e8re et la hauteur sous plafond adapt\u00e9e aux bureaux permettent une transformation en espaces de bureaux ou de commerces sans avoir \u00e0 d\u00e9molir le b\u00e2timent.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Deux sc\u00e9narios pour un avenir incertain<br><\/strong>Lors de la planification, l\u2019Empa et l\u2019Eawag ont explicitement tabl\u00e9 sur une baisse de la demande en mati\u00e8re de transport individuel motoris\u00e9. Dans le premier sc\u00e9nario, le parking est partiellement reconverti en espaces de bureaux ou commerciaux ; dans le second, il devient totalement superflu, car le transport de personnes s\u2019effectuera \u00e0 l\u2019avenir via les transports en commun ou la mobilit\u00e9 combin\u00e9e. Cette double strat\u00e9gie distingue le projet d\u2019un parking classique, construit pour un usage unique.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>La m\u00e9thode \u00e0 la base du calcul<br><\/strong>Bernhard K\u00fcmmerli, auteur de l\u2019\u00e9tude et chercheur \u00e0 l\u2019Institut d\u2019histoire et de th\u00e9orie de l\u2019architecture de l\u2019ETH, a utilis\u00e9, en collaboration avec W\u00fcest Partner, l\u2019analyse de la valeur actuelle nette pour comparer les investissements initiaux aux co\u00fbts futurs de transformation. Cette m\u00e9thode permet une comparaison directe entre la construction flexible et un parking construit de mani\u00e8re conventionnelle sur l\u2019ensemble du cycle de vie. Selon M. K\u00fcmmerli, la prise en compte syst\u00e9matique de tels crit\u00e8res de durabilit\u00e9 \u00e9conomique fait jusqu\u2019\u00e0 pr\u00e9sent largement d\u00e9faut en architecture.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Les chiffres sont convaincants malgr\u00e9 des co\u00fbts de construction plus \u00e9lev\u00e9s<br><\/strong>Le r\u00e9sultat est sans \u00e9quivoque. Malgr\u00e9 des co\u00fbts de construction sup\u00e9rieurs de 22 %, on obtient une \u00e9conomie future d\u2019environ 6 millions de francs en cas de transformation partielle et d\u2019environ 12 millions de francs en cas de r\u00e9affectation compl\u00e8te. L\u2019investissement initial plus \u00e9lev\u00e9 est donc largement rentabilis\u00e9 sur la dur\u00e9e de vie du b\u00e2timent.<\/p>\n\n\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Un mod\u00e8le pour l\u2019ensemble du secteur du b\u00e2timent<br><\/strong>Kevin Olas, responsable immobilier \u00e0 l\u2019Empa, voit dans ces analyses financi\u00e8res un levier important pour le secteur, car des conclusions fond\u00e9es sur la durabilit\u00e9 \u00e9conomique faisaient d\u00e9faut jusqu\u2019\u00e0 pr\u00e9sent. Selon M. Olas, si la m\u00e9thode de la valeur actuelle nette \u00e9tait appliqu\u00e9e de mani\u00e8re syst\u00e9matique \u00e0 l\u2019avenir, cela pourrait acc\u00e9l\u00e9rer consid\u00e9rablement la transition vers des pratiques de construction respectueuses du climat. Le parking du campus offre ainsi non seulement un b\u00e2timent fonctionnel, mais aussi un mod\u00e8le de calcul que d\u2019autres ma\u00eetres d\u2019ouvrage et investisseurs pourraient directement adopter.<\/p>\n\n","protected":false},"excerpt":{"rendered":"<p>La construction durable est souvent consid\u00e9r\u00e9e comme un luxe co\u00fbteux, et non comme un choix judicieux. Une nouvelle \u00e9tude, men\u00e9e \u00e0 partir de l&rsquo;exemple du parking du campus de l&rsquo;Empa et de l&rsquo;Eawag, d\u00e9montre le contraire. Investir aujourd&rsquo;hui dans la flexibilit\u00e9 permet d&rsquo;\u00e9conomiser des millions demain. La preuve en est un b\u00e2timent en bois discret situ\u00e9 \u00e0 D\u00fcbendorf.<\/p>\n","protected":false},"author":2,"featured_media":162143,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"pmpro_default_level":"","_surecart_dashboard_logo_width":"180px","_surecart_dashboard_show_logo":true,"_surecart_dashboard_navigation_orders":true,"_surecart_dashboard_navigation_invoices":true,"_surecart_dashboard_navigation_subscriptions":true,"_surecart_dashboard_navigation_downloads":true,"_surecart_dashboard_navigation_billing":true,"_surecart_dashboard_navigation_account":true,"inline_featured_image":false,"_monsterinsights_skip_tracking":false,"footnotes":""},"categories":[9430,22699,22357,56027,739,22303],"tags":[60832,5361,2339,54822,872,3931,4360,60833,2002,2736,29734],"class_list":["post-162142","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-business-fr","category-durabilite","category-industrie-du-batiment","category-planification-developpement","category-projects","category-suisse","tag-campus-parkhaus","tag-eawag-fr","tag-empa-fr","tag-hybridbau","tag-immoinvest-fr","tag-immonews-fr","tag-nachhaltiges-bauen-fr","tag-netto-barwertanalyse","tag-news-fr","tag-umnutzung-fr","tag-wuest-partner-fr","pmpro-has-access"],"acf":{"bild_mit_ki_erstellt_worden":"","lead":"La construction durable est souvent consid\u00e9r\u00e9e comme un luxe co\u00fbteux, et non comme un choix judicieux. Une nouvelle \u00e9tude, men\u00e9e \u00e0 partir de l'exemple du parking du campus de l'Empa et de l'Eawag, d\u00e9montre le contraire. Investir aujourd'hui dans la flexibilit\u00e9 permet d'\u00e9conomiser des millions demain. La preuve en est un b\u00e2timent en bois discret situ\u00e9 \u00e0 D\u00fcbendorf.","autor":"","ort":"","bildunterschrift":"Le campus de recherche \u00ab co-operate \u00bb de l'Empa et de l'Eawag \u00e0 D\u00fcbendorf a \u00e9t\u00e9 inaugur\u00e9 en juin 2024. Les b\u00e2timents ont notamment \u00e9t\u00e9 con\u00e7us pour permettre une utilisation flexible et durable. Photo : Empa","zusammenfassung":"","bild_im_grid":false,"gallerie":"","newsim":"3512"},"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"La construction durable est souvent consid\u00e9r\u00e9e comme un luxe co\u00fbteux, et non comme un choix judicieux. 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