L\u2019importance de la ventilation m\u00e9canique<\/a><\/span>.<\/span><\/span><\/p>\nL\u2019\u00e9lectricit\u00e9 produite par l\u2019\u00e9nergie solaire a conduit \u00e0 la th\u00e8se selon laquelle la demande serait secondaire. Depuis que la discussion sur le probl\u00e8me de la saisonnalit\u00e9 est devenue incontournable \u2013 car significatif \u2013, ce sujet attire de nouveau davantage l\u2019attention. L\u2019\u00e9tude pr\u00e9sent\u00e9e en est une preuve.<\/p>\n
Seulement \u2013 le \u00ab mouvement perp\u00e9tuel \u00bb tant souhait\u00e9 ne sera pas cr\u00e9\u00e9 non plus par l\u2019isolation des b\u00e2timents, \u00e0 condition que la source d\u2019\u00e9nergie principale reste le soleil. Ainsi, le d\u00e9calage entre l\u2019exc\u00e9dent d\u2019\u00e9lectricit\u00e9 en \u00e9t\u00e9 et le d\u00e9ficit en hiver demeure, \u00e0 moins qu\u2019une solution de stockage puisse \u00eatre trouv\u00e9e pour assurer l\u2019\u00e9quilibre n\u00e9cessaire. \u00c0 cela s\u2019ajoute la probl\u00e9matique de la demande croissante d\u2019\u00e9lectricit\u00e9 des pompes \u00e0 chaleur \u00e0 mesure que les temp\u00e9ratures baissent, ce qui exige en p\u00e9riode de pointe (c\u2019est-\u00e0-dire lors de basses temp\u00e9ratures ext\u00e9rieures) une capacit\u00e9 de r\u00e9seau \u00e9norme. Avec l\u2019isolation des b\u00e2timents, ce probl\u00e8me est consid\u00e9rablement att\u00e9nu\u00e9. C\u2019est pourquoi elle reste une partie importante de la solution. Comme l\u2019\u00e9crivait la Basler Zeitung le 16.7.2025 : \u00ab Au lieu d\u2019investir des milliards dans de nouvelles centrales \u00e9lectriques, des milliards de kilowattheures pourraient \u00eatre \u00e9conomis\u00e9s gr\u00e2ce \u00e0 une meilleure isolation. Sans restrictions dans la vie quotidienne, sans nouvelles interventions dans le paysage \u2013 mais avec un grand effet sur la s\u00e9curit\u00e9 de l\u2019approvisionnement. \u00bb<\/p>\n
Exemple : Donn\u00e9es sur les pertes de chaleur et le potentiel d\u2019\u00e9conomie d\u2019\u00e9nergie d\u2019un immeuble locatif typique sur le Plateau suisse, Source : https:\/\/www.energieheld.ch\/daemmung<\/a><\/span>
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Selon l\u2019association \u00ab Isolation Suisse \u00bb, une r\u00e9novation \u00e9nerg\u00e9tique des b\u00e2timents peut permettre d\u2019\u00e9conomiser jusqu\u2019\u00e0 60 % de l\u2019\u00e9nergie, respectivement des \u00e9missions de CO\u2082. Ce potentiel est confirm\u00e9 par la derni\u00e8re \u00e9tude de la Haute \u00e9cole de Lucerne HSLU. La r\u00e9novation \u00e9nerg\u00e9tique compl\u00e8te comprend les \u00e9l\u00e9ments suivants : Isolation : L\u2019isolation des murs, plafonds et…<\/p>\n","protected":false},"author":5,"featured_media":14183,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[9],"tags":[],"class_list":["post-14198","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-non-classifiee"],"acf":[],"yoast_head":"\n
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La r\u00e9novation \u00e9nerg\u00e9tique compl\u00e8te comprend les \u00e9l\u00e9ments suivants : Isolation : L\u2019isolation des murs, plafonds et...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/\" \/>\n<meta property=\"og:site_name\" content=\"SSREI\" \/>\n<meta property=\"article:published_time\" content=\"2025-08-27T09:27:10+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-27T13:09:50+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/ssrei.ch\/wp-content\/uploads\/2025\/08\/shutterstock_2578933767.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1000\" \/>\n\t<meta property=\"og:image:height\" content=\"667\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Elodie Gadola\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"Elodie Gadola\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/\"},\"author\":{\"name\":\"Elodie Gadola\",\"@id\":\"https:\/\/ssrei.ch\/#\/schema\/person\/7b00af919b1c488cf92a41df137eb49f\"},\"headline\":\"L\u2019importance de l\u2019isolation\",\"datePublished\":\"2025-08-27T09:27:10+00:00\",\"dateModified\":\"2025-08-27T13:09:50+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/\"},\"wordCount\":581,\"image\":{\"@id\":\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/ssrei.ch\/wp-content\/uploads\/2025\/08\/shutterstock_2578933767.jpg\",\"articleSection\":[\"Non classifi\u00e9(e)\"],\"inLanguage\":\"fr-FR\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/\",\"url\":\"https:\/\/ssrei.ch\/fr\/limportance-de-lisolation\/\",\"name\":\"L\u2019importance de l\u2019isolation - 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