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{"id":1631,"date":"2010-11-11T07:15:06","date_gmt":"2010-11-11T05:15:06","guid":{"rendered":"https:\/\/energethique.be\/?p=1631"},"modified":"2010-11-10T15:37:11","modified_gmt":"2010-11-10T13:37:11","slug":"les-toits-de-new-york-de-plus-en-plus-cools","status":"publish","type":"post","link":"https:\/\/energethique.be\/2010\/les-toits-de-new-york-de-plus-en-plus-cools\/","title":{"rendered":"Les toits de New York de plus en plus cools"},"content":{"rendered":"

Et oui, en ce moment, \u00e0 New York, se d\u00e9roule l’op\u00e9ration NYC\u00b0 Coolroofs<\/a>. Cette initiative propose de repeindre le toit des immeubles en blanc afin d’augmenter leur alb\u00e9do. L’alb\u00e9do, pour ceux qui ne connaissent pas, c’est le coefficient de rayonnement solaire renvoy\u00e9 par une surface.<\/p>\n

En augmentant ce coefficient, on se retrouve avec un toit plus frais (jusqu’\u00e0 15\u00b0C les jours les plus chauds) et donc avec un immeuble plus frais, r\u00e9duisant ainsi les besoins en refroidissement.<\/p>\n

La ville de New York se propose m\u00eame de vous subsidier pour les travaux. Ils mettent \u00e9galement \u00e0 disposition un outil pour calculer votre investissement et votre retour sur investissement ici<\/a>.<\/p>\n

Les avantages d’un toit \u00ab\u00a0Coolroof\u00a0\u00bb ne se limitent pas \u00e0 la r\u00e9duction des co\u00fbts de conditionnement d’air selon eux, le toit subit moins de contraintes thermiques donc vieillit moins vite et cela permet de diminuer la temp\u00e9rature ambiante dans les grandes villes o\u00f9 la concentrations de mati\u00e8res fortement absorbante comme le bitume augmente la temp\u00e9rature de mani\u00e8re plus prononc\u00e9e qu’en dehors des cit\u00e9s.<\/p>\n

Si cette id\u00e9e peut para\u00eetre farfelue au premier abord, il serait tr\u00e8s int\u00e9ressants d’avoir une \u00e9tude de l’impact concret de cette campagne car elle est ici appliqu\u00e9e \u00e0 grande \u00e9chelle. Les projets visant \u00e0 augmenter l’alb\u00e9do sont nombreux mais manquent parfois de cr\u00e9dit scientifique.<\/p>\n

Pour le moment, 93 000 m\u00e8tres carr\u00e9s de surface ont d\u00e9j\u00e0 \u00e9t\u00e9 trait\u00e9s et 37 000 000 sont planifi\u00e9s avant l’\u00e9t\u00e9 prochain. On aura un test grandeur nature dans peu de temps donc, rendez-vous dans 10 mois pour le bilan de l’\u00e9t\u00e9 !!<\/p>\n","protected":false},"excerpt":{"rendered":"

Et oui, en ce moment, \u00e0 New York, se d\u00e9roule l’op\u00e9ration NYC\u00b0 Coolroofs<\/a>. Cette initiative propose de repeindre le toit des immeubles en blanc afin d’augmenter leur alb\u00e9do. L’alb\u00e9do, pour ceux qui ne connaissent pas, c’est le coefficient de rayonnement solaire renvoy\u00e9 par une surface.<\/p>\n

En augmentant ce coefficient, on se retrouve avec un toit plus frais (jusqu’\u00e0 15\u00b0C les jours les plus chauds) et donc avec un immeuble plus frais, r\u00e9duisant ainsi les besoins en refroidissement.<\/p>\n

La ville de New […]<\/p>\n","protected":false},"author":6,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"spay_email":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true},"categories":[3,9],"tags":[],"jetpack_featured_media_url":"","jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/pBGwz-qj","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1631"}],"collection":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/users\/6"}],"replies":[{"embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/comments?post=1631"}],"version-history":[{"count":0,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/posts\/1631\/revisions"}],"wp:attachment":[{"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/media?parent=1631"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/categories?post=1631"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/energethique.be\/wp-json\/wp\/v2\/tags?post=1631"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}