{"id":15752,"date":"2026-02-27T14:07:42","date_gmt":"2026-02-27T13:07:42","guid":{"rendered":"https:\/\/heytec.be\/?post_type=news&#038;p=15752"},"modified":"2026-03-02T16:34:17","modified_gmt":"2026-03-02T15:34:17","slug":"efficacite-energetique-en-action","status":"publish","type":"news","link":"https:\/\/heytec.be\/fr\/actualites\/efficacite-energetique-en-action\/","title":{"rendered":"L\u2019efficacit\u00e9 \u00e9nerg\u00e9tique en action : comment l\u2019entreprise Atelier Long minimise l\u2019impact sur la capacit\u00e9 du r\u00e9seau gr\u00e2ce aux fluides A2L"},"content":{"rendered":"\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">L\u2019entreprise d\u2019installation Vanpraet, une valeur s\u00fbre dans le domaine des installations frigorifiques industrielles et des syst\u00e8mes HVAC \u00e0 travers toute la Belgique, a r\u00e9cemment achev\u00e9 un projet pour le c\u00e9l\u00e8bre grossiste Atelier Long. Fond\u00e9e en 1965, l\u2019entreprise a connu un nouvel \u00e9lan apr\u00e8s sa reprise par Leo Coppens et Patrick Willocx en 2000. Depuis 2024, c\u2019est Jonas Berckmans qui est aux commandes, assurant ainsi la p\u00e9rennit\u00e9 de la soci\u00e9t\u00e9. Avec 8 techniciens quotidiennement sur les routes pour le montage et les d\u00e9pannages, Vanpraet dessert un portefeuille impressionnant de 2 200 clients et assure l\u2019entretien de pas moins de 4 300 installations.   <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La collaboration avec Atelier Long, un grossiste renomm\u00e9 de la r\u00e9gion de Louvain sp\u00e9cialis\u00e9 dans la viande de qualit\u00e9, la volaille, le gibier exquis, le poisson et les produits d\u2019\u00e9picerie fine, t\u00e9moigne d\u2019un service d\u2019excellence maintenu depuis de nombreuses ann\u00e9es. Il y a 15 ans d\u00e9j\u00e0, Atelier Long avait confi\u00e9 \u00e0 Vanpraet la r\u00e9alisation de sa centrale frigorifique d\u2019origine. Lorsque Atelier Long a repris l\u2019\u00e9tablissement Huis Patrick \u00e0 Lubbeek avec l\u2019ambition de transformer ce commerce, initialement ax\u00e9 sur le poisson, en un grossiste polyvalent (poisson, viande et gibier), une r\u00e9novation compl\u00e8te s\u2019est impos\u00e9e.  <\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><strong><strong>Un plan de flux strictement s\u00e9par\u00e9<\/strong><\/strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Le d\u00e9fi dans le nouveau b\u00e2timent \u00e9tait clair : les flux de poissons et de viandes doivent rester strictement s\u00e9par\u00e9s \u00e0 tout moment afin d\u2019\u00e9viter toute contamination crois\u00e9e. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Cela a donc n\u00e9cessit\u00e9 un tout nouveau plan de flux pour les produits. Ce plan a d\u00fb \u00eatre approuv\u00e9 par l\u2019AFSCA (Agence F\u00e9d\u00e9rale pour la S\u00e9curit\u00e9 de la Cha\u00eene Alimentaire) avant que l\u2019ex\u00e9cution ne puisse commencer. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">La nouvelle conception pr\u00e9voit :<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>11 chambres froides<\/li>\n\n\n\n<li>3 cong\u00e9lateurs<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><img fetchpriority=\"high\" decoding=\"async\" width=\"430\" height=\"320\" data-id=\"15756\" src=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/2026-02-25-10_35_32-Connect_28_FR_BAT_BD.pdf-Adobe-Acrobat-64-bit-2.jpg\" alt=\"\" class=\"wp-image-15756\" srcset=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/2026-02-25-10_35_32-Connect_28_FR_BAT_BD.pdf-Adobe-Acrobat-64-bit-2.jpg 430w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/2026-02-25-10_35_32-Connect_28_FR_BAT_BD.pdf-Adobe-Acrobat-64-bit-2-300x223.jpg 300w\" sizes=\"(max-width: 430px) 100vw, 430px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><img decoding=\"async\" width=\"1024\" height=\"768\" data-id=\"15757\" src=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/54513576-1377-4c9f-bb03-42126ffa359f-2-1024x768.jpg\" alt=\"\" class=\"wp-image-15757\" srcset=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/54513576-1377-4c9f-bb03-42126ffa359f-2-1024x768.jpg 1024w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/54513576-1377-4c9f-bb03-42126ffa359f-2-300x225.jpg 300w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/54513576-1377-4c9f-bb03-42126ffa359f-2-768x576.jpg 768w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/54513576-1377-4c9f-bb03-42126ffa359f-2-1536x1152.jpg 1536w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/54513576-1377-4c9f-bb03-42126ffa359f-2.jpg 1920w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n<\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><strong><strong>La priorit\u00e9 \u00e0 l\u2019efficacit\u00e9 \u00e9nerg\u00e9tique<\/strong><\/strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Apr\u00e8s un calcul de base des charges frigorifiques et des capacit\u00e9s requises pour chaque chambre froide et de cong\u00e9lation, Vanpraet a collabor\u00e9 \u00e9troitement avec le bureau d\u2019\u00e9tudes de chez HEYTEC, distributeur de Climalife.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">HEYTEC, partenaire de choix des installateurs en cooling et HVAC en Belgique, conseille et accompagne ses clients \u00e0 chaque \u00e9tape de leur projet. <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Il est rapidement apparu qu\u2019une centrale fonctionnant au CO<sub>2<\/sub> comme fluide frigorig\u00e8ne \u00e9tait irr\u00e9alisable :<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u00ab<em>Lors des pics de consommation avec une centrale au CO<sub>2<\/sub>, nous aurions besoin de 180 A, sans m\u00eame tenir compte des autres consommateurs d\u2019\u00e9nergie dans le b\u00e2timent. Or, le raccordement \u00e9lectrique maximal actuel est de 160 A. La capacit\u00e9 aurait pu \u00eatre augment\u00e9e par l\u2019installation d\u2019une cabine haute tension, mais pour Atelier Long, cet investissement de 50 000 euros \u00e9tait inenvisageable. <\/em>\u00bb<\/em> explique Patrick Willocx en charge du projet.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img decoding=\"async\" width=\"490\" height=\"429\" src=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/2026-02-25-10_47_11-Connect_28_FR_BAT_BD.pdf-Adobe-Acrobat-64-bit.jpg\" alt=\"\" class=\"wp-image-15717\" srcset=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/2026-02-25-10_47_11-Connect_28_FR_BAT_BD.pdf-Adobe-Acrobat-64-bit.jpg 490w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/2026-02-25-10_47_11-Connect_28_FR_BAT_BD.pdf-Adobe-Acrobat-64-bit-300x263.jpg 300w\" sizes=\"(max-width: 490px) 100vw, 490px\" \/><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Vanpraet s\u2019oriente alors vers des fluides frigorig\u00e8nes A2L \u00e0 ultra bas GWP. Les groupes de condensation utilisant des fluides A2L sont plus performants sur le plan \u00e9nerg\u00e9tique et consomment moins d\u2019\u00e9lectricit\u00e9. En collaboration avec HEYTEC, les composants et les groupes de condensation ont \u00e9t\u00e9 s\u00e9lectionn\u00e9s en fonction des puissances n\u00e9cessaires, des zones de temp\u00e9rature et des fluides frigorig\u00e8nes A2L choisis, afin de garantir une efficacit\u00e9 maximale de l\u2019installation.  <\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Pour la s\u00e9lection finale, Vanpraet et HEYTEC ont opt\u00e9 pour 4 groupes de condensation Bitzer pour alimenter les 11 chambres froides, utilisant le fluide frigorig\u00e8ne Solstice\u00ae yf (R-1234yf). Les 3 cong\u00e9lateurs ont \u00e9t\u00e9 r\u00e9partis sur 2 groupes de condensation Bitzer utilisant le R-454C. Des \u00e9vaporateurs Kelvion ont \u00e9t\u00e9 install\u00e9s dans chaque espace. Le montage des panneaux isolants a \u00e9t\u00e9 assur\u00e9 par l\u2019entreprise partenaire Proleco.    <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><em>\u00ab En choisissant des groupes de froid fonctionnant aux fluides A2L, nous avons une consommation \u00e9lectrique maximale de 110 A sur le r\u00e9seau, ce qui reste largement en dessous de la capacit\u00e9 actuelle du raccordement de 160 A \u00bb<\/em>, explique Patrick.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h4 class=\"wp-block-heading\"><strong><strong><strong>Des groupes de condensation plut\u00f4t que des centrales<\/strong><\/strong><\/strong><\/h4>\n\n\n\n<p class=\"wp-block-paragraph\">Vanpraet et HEYTEC observent un changement clair sur le march\u00e9 : la tendance \u00e9volue. C\u2019est la fin des grandes centrales, on s\u2019oriente de plus en plus vers plusieurs groupes de condensation distincts. Pour Atelier Long, les avantages ont \u00e9t\u00e9 d\u00e9cisifs : <\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>S\u00e9curit\u00e9 de fonctionnement:<\/strong> en cas de panne d\u2019un groupe, Atelier Long peut continuer \u00e0 utiliser les autres chambres froides et cong\u00e9lateurs.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>R\u00e9glementation<\/strong>: le R-1234yf et le R-454C sont conformes \u00e0 la r\u00e9glementation F-Gaz III sur le long terme gr\u00e2ce \u00e0 leurs ultra bas GWP respectivement 0,501 et 146.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>\u00c9conomie<\/strong>: le co\u00fbt d\u2019installation d\u2019une centrale au CO<sub>2<\/sub> est d\u2019une part deux fois plus \u00e9lev\u00e9. D\u2019autre part, la charge r\u00e9duite en fluide limite les pertes en cas de fuites.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Gain \u00e9nerg\u00e9tique<\/strong>: l\u2019utilisation de diff\u00e9rents groupes de condensation A2L offre de meilleures performances \u00e9nerg\u00e9tiques. <\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"427\" height=\"331\" src=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Connect_28_FR_BAT_BD.jpeg\" alt=\"\" class=\"wp-image-15719\" srcset=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Connect_28_FR_BAT_BD.jpeg 427w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Connect_28_FR_BAT_BD-300x233.jpeg 300w\" sizes=\"(max-width: 427px) 100vw, 427px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Jonas et Patrick sont formels: <em>\u00ab Il ne faut pas avoir peur d\u2019utiliser les fluides frigorig\u00e8nes A2L. \u00c0 l\u2019avenir, nous souhaitons mettre en \u0153uvre davantage des groupes de condensation A2L dans ce type de projets. \u00bb<\/em><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tous les composants utilis\u00e9s sont adapt\u00e9s et homologu\u00e9s pour les fluides A2L et sont disponibles directement sur stock chez HEYTEC, garantissant des d\u00e9lais de livraison courts.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Ce projet chez Atelier Long est l\u2019exemple parfait de la mani\u00e8re dont Vanpraet ne se contente pas de construire des installations, mais accompagne ses clients dans la r\u00e9flexion pour offrir les solutions les plus durables, \u00e9conomes en \u00e9nergie et fiables pour leur avenir.<\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"400\" src=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Tableau-Vanpraet-1024x400.jpg\" alt=\"\" class=\"wp-image-15721\" srcset=\"https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Tableau-Vanpraet-1024x400.jpg 1024w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Tableau-Vanpraet-300x117.jpg 300w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Tableau-Vanpraet-768x300.jpg 768w, https:\/\/heytec.be\/wp-content\/uploads\/2026\/02\/Tableau-Vanpraet.jpg 1300w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\"><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce projet souligne non seulement l\u2019expertise technique de la soci\u00e9t\u00e9 d\u2019installation Vanpraet, mais illustre \u00e9galement l\u2019\u00e9volution du march\u00e9 belge vers des groupes de condensation A2L performants et fiables.<\/p>\n","protected":false},"author":1,"featured_media":15726,"template":"","meta":{"_acf_changed":false,"footnotes":""},"categories":[83],"news-type":[108,109],"class_list":["post-15752","news","type-news","status-publish","has-post-thumbnail","hentry","category-heytec-fr","news-type-actualites","news-type-projets"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>L&#039;efficacit\u00e9 \u00e9nerg\u00e9tique gr\u00e2ce aux fluides A2L<\/title>\n<meta name=\"description\" content=\"L\u2019efficacit\u00e9 \u00e9nerg\u00e9tique en action : comment l\u2019entreprise Atelier Long minimise l\u2019impact sur la capacit\u00e9 du r\u00e9seau gr\u00e2ce aux fluides A2L.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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