{"id":19672,"date":"2026-05-13T16:54:43","date_gmt":"2026-05-13T14:54:43","guid":{"rendered":"https:\/\/www.lengnau.ch\/?p=19672"},"modified":"2026-05-19T09:20:11","modified_gmt":"2026-05-19T07:20:11","slug":"decision-de-renover-la-centrale-de-chauffage-de-lecole-kleinfeld","status":"publish","type":"post","link":"https:\/\/www.lengnau.ch\/fr\/2026\/05\/decision-de-renover-la-centrale-de-chauffage-de-lecole-kleinfeld\/","title":{"rendered":"D\u00e9cision de r\u00e9nover la centrale de chauffage de l&rsquo;\u00e9cole Kleinfeld"},"content":{"rendered":"<div class=\"relative basis-auto flex-col -mb-(--composer-overlap-px) pb-(--composer-overlap-px) [--composer-overlap-px:28px] grow flex\">\n<div class=\"flex flex-col text-sm pb-25\">\n<section class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [&amp;:has([data-writing-block])&gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:af4785a2-754b-4338-90b3-72548ce35e3e-0\" data-testid=\"conversation-turn-2\" data-scroll-anchor=\"true\" data-turn=\"assistant\">\n<div class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\">\n<div class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\">\n<div class=\"flex max-w-full flex-col gap-4 grow\">\n<div class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+&amp;]:mt-1\" dir=\"auto\" tabindex=\"0\" data-message-author-role=\"assistant\" data-message-id=\"d248e25e-c2a3-4acf-a21b-c4264986a9ae\" data-message-model-slug=\"gpt-5-3\" data-turn-start-message=\"true\">\n<div class=\"flex w-full flex-col gap-1 empty:hidden\">\n<div class=\"markdown prose dark:prose-invert w-full wrap-break-word light markdown-new-styling\">\n<p>L&rsquo;approvisionnement en chaleur de l&rsquo;\u00e9cole Kleinfeld est assur\u00e9 par le r\u00e9seau de chauffage urbain de W\u00e4rmeLengnau. L&rsquo;installation domestique existante a \u00e9t\u00e9 \u00e9tendue et adapt\u00e9e \u00e0 plusieurs reprises au cours de nombreuses ann\u00e9es. Il en a r\u00e9sult\u00e9 une structure complexe qui pr\u00e9sente aujourd&rsquo;hui des inconv\u00e9nients \u00e0 la fois \u00e9nerg\u00e9tiques et op\u00e9rationnels.<\/p>\n<p>Les temp\u00e9ratures de retour actuellement trop \u00e9lev\u00e9es constituent un probl\u00e8me central. Pour un fonctionnement efficace du r\u00e9seau de chauffage urbain, les temp\u00e9ratures de retour doivent \u00eatre les plus basses possibles. Selon les conditions techniques de raccordement de W\u00e4rmeLengnau, la temp\u00e9rature de retour ne doit pas d\u00e9passer 50 degr\u00e9s Celsius. Cependant, dans l&rsquo;installation de l&rsquo;\u00e9cole Kleinfeld, les valeurs atteignent actuellement parfois 70 degr\u00e9s Celsius. Les causes principales sont le chauffage actuel de l&rsquo;eau des bains, la production d&rsquo;eau chaude sanitaire et la distribution actuelle du chauffage.<\/p>\n<p>Les temp\u00e9ratures \u00e9lev\u00e9es entra\u00eenent une augmentation des co\u00fbts de fonctionnement et une consommation d&rsquo;\u00e9nergie inutile. De plus, de nombreux \u00e9l\u00e9ments anciens et parfois inutiles de l&rsquo;installation compliquent l&rsquo;exploitation et la maintenance.<\/p>\n<p>La r\u00e9novation pr\u00e9vue vise \u00e0 optimiser techniquement et \u00e0 simplifier la structure de l&rsquo;ensemble de la station de transfert de chaleur. L&rsquo;objectif est d&rsquo;obtenir une structure hydraulique claire, de supprimer les composants qui ne sont plus n\u00e9cessaires et d&rsquo;organiser les groupes de chauffage de mani\u00e8re plus efficace. Parall\u00e8lement, l&rsquo;int\u00e9gration de la station de transfert de chaleur \u00e0 distance est adapt\u00e9e afin de r\u00e9duire consid\u00e9rablement les temp\u00e9ratures de retour et de respecter les sp\u00e9cifications de W\u00e4rmeLengnau.<\/p>\n<p>Des am\u00e9liorations sont \u00e9galement pr\u00e9vues dans le domaine de la production d&rsquo;eau chaude. \u00c0 l&rsquo;avenir, l&rsquo;eau chaude sanitaire sera produite en fonction des besoins et de mani\u00e8re efficace sur le plan \u00e9nerg\u00e9tique. De plus, le syst\u00e8me de chauffage de l&rsquo;eau de la piscine couverte sera modernis\u00e9.<\/p>\n<p>Outre les am\u00e9liorations \u00e9nerg\u00e9tiques, la modernisation pr\u00e9sente \u00e9galement des avantages op\u00e9rationnels. Une installation moderne et clairement structur\u00e9e r\u00e9duit les frais d&rsquo;entretien, facilite les travaux de service et augmente la s\u00e9curit\u00e9 de fonctionnement \u00e0 long terme.<\/p>\n<p>Le co\u00fbt total de la mise en \u0153uvre des mesures est estim\u00e9 \u00e0 environ Fr. 148&rsquo;000.00 est pr\u00e9vu.<\/p>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/section>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>L&rsquo;approvisionnement en chaleur de l&rsquo;\u00e9cole Kleinfeld est assur\u00e9 par le r\u00e9seau de chauffage urbain de W\u00e4rmeLengnau. L&rsquo;installation domestique existante a \u00e9t\u00e9 \u00e9tendue et adapt\u00e9e \u00e0 plusieurs reprises au cours de nombreuses ann\u00e9es. Il en a r\u00e9sult\u00e9 une structure complexe qui pr\u00e9sente aujourd&rsquo;hui des inconv\u00e9nients \u00e0 la fois \u00e9nerg\u00e9tiques et op\u00e9rationnels. Les temp\u00e9ratures de retour actuellement [&hellip;]<\/p>\n","protected":false},"author":16,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_relevanssi_hide_post":"","_relevanssi_hide_content":"","_relevanssi_pin_for_all":"","_relevanssi_pin_keywords":"","_relevanssi_unpin_keywords":"","_relevanssi_related_keywords":"","_relevanssi_related_include_ids":"","_relevanssi_related_exclude_ids":"","_relevanssi_related_no_append":"","_relevanssi_related_not_related":"","_relevanssi_related_posts":"","_relevanssi_noindex_reason":"","footnotes":""},"categories":[74,28,76],"tags":[],"class_list":["post-19672","post","type-post","status-publish","format-standard","hentry","category-aktuelles","category-frontseite","category-medienmitteilungen"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>D\u00e9cision de r\u00e9nover la centrale de chauffage de l&#039;\u00e9cole Kleinfeld - Gemeinde Lengnau<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.lengnau.ch\/fr\/2026\/05\/decision-de-renover-la-centrale-de-chauffage-de-lecole-kleinfeld\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"D\u00e9cision de r\u00e9nover la centrale de chauffage de l&#039;\u00e9cole Kleinfeld - Gemeinde Lengnau\" \/>\n<meta property=\"og:description\" content=\"L&rsquo;approvisionnement en chaleur de l&rsquo;\u00e9cole Kleinfeld est assur\u00e9 par le r\u00e9seau de chauffage urbain de W\u00e4rmeLengnau. L&rsquo;installation domestique existante a \u00e9t\u00e9 \u00e9tendue et adapt\u00e9e \u00e0 plusieurs reprises au cours de nombreuses ann\u00e9es. Il en a r\u00e9sult\u00e9 une structure complexe qui pr\u00e9sente aujourd&rsquo;hui des inconv\u00e9nients \u00e0 la fois \u00e9nerg\u00e9tiques et op\u00e9rationnels. 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