{"id":26136,"date":"2025-07-08T13:59:40","date_gmt":"2025-07-08T11:59:40","guid":{"rendered":"https:\/\/www.devatec.com\/heatwave-2025-adiabatic-cooling-with-evapack-system-the-green-alternative-to-air-conditioning-in-schools\/"},"modified":"2025-07-08T16:33:55","modified_gmt":"2025-07-08T14:33:55","slug":"heatwave-2025-adiabatic-cooling-with-evapack-system-the-green-alternative-to-air-conditioning-in-schools","status":"publish","type":"post","link":"https:\/\/www.devatec.com\/en\/heatwave-2025-adiabatic-cooling-with-evapack-system-the-green-alternative-to-air-conditioning-in-schools\/","title":{"rendered":"Heatwave 2025: adiabatic cooling with EvaPack\u00ae System, the green alternative to air conditioning in schools"},"content":{"rendered":"\n<p><em><strong>On July 1st, 2025, more than 1,300 French schools were forced to close due to extreme temperatures exceeding 40\u202f\u00b0C (104\u202f\u00b0F) in several regions. This unprecedented heatwave, combined with a red alert from \u201cM\u00e9t\u00e9o-France\u201d (the French national weather service), raises a critical question: how can we cool public buildings sustainably without worsening climate change?<\/strong><\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-vivid-red-color has-alpha-channel-opacity has-vivid-red-background-color has-background is-style-wide\"\/>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>At Devatec, we firmly believe that <strong>adiabatic cooling<\/strong> is an effective, economical, and environmentally friendly solution. That\u2019s why our <strong>EvaPack\u00ae system<\/strong> stands out as a concrete response to today\u2019s thermal challenges, especially in schools, universities, and other public spaces.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Why air conditioning isn\u2019t the right answer anymore ?<\/strong><\/h2>\n\n\n\n<p>For years, mechanical air conditioning has been seen as essential. But today, its limits are clear:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>High energy consumption<\/strong>, with peak loads during heatwaves straining the national power grid.<\/li>\n\n\n\n<li><strong>Refrigerant gases (HFCs)<\/strong> with a high global warming potential, harmful to the environment.<\/li>\n\n\n\n<li><strong>Significant maintenance costs<\/strong>, including leak detection, cleaning, and regulatory checks.<\/li>\n\n\n\n<li><strong>Overly dry air<\/strong>, leading to discomfort, suspended dust particles, and worsened <strong>seasonal allergy symptoms, <\/strong>which are already increasing during heat spikes.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Adiabatic and hygienic cooling: a natural, efficient process<\/strong><\/h2>\n\n\n\n<p><\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p>The principle is simple: hot air flows through a moistened media. The water evaporates by absorbing heat from the air, naturally lowering its temperature. The result? Cooler, fresher air with a slight touch of humidity.<\/p>\n<\/blockquote>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.devatec.com\/en\/advantages-of-adiabatic-cooling\/\" target=\"_blank\" rel=\"noreferrer noopener\">Adiabatic cooling: how does it work?<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Key Advantages of EvaPack\u00ae Technology:<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Up to 90% energy savings<\/strong> compared to traditional air conditioning systems.<\/li>\n\n\n\n<li><strong>Zero emissions of HFCs, ammonia or CO\u2082<\/strong>: conventional cooling systems use refrigerant gases that are powerful greenhouse gases. <strong>EvaPack\u00ae operates without them<\/strong>, avoiding any indirect contribution to climate change.<\/li>\n\n\n\n<li><strong>Minimal maintenance<\/strong>: no compressor, no battery\u2014only a media that requires occasional inspection.<\/li>\n\n\n\n<li><strong>Simple installation<\/strong> in new or existing air handling units (AHUs).<\/li>\n\n\n\n<li>EvaPack\u00ae is compatible with <strong>free-cooling<\/strong> strategies and <strong>100% fresh air ventilation systems<\/strong>, similar to those used in data centers. It enables both direct <strong>adiabatic cooling (on fresh air)<\/strong> and <strong>indirect cooling (via heat exchanger)<\/strong>, ensuring optimal thermal stability while significantly reducing energy consumption and environmental impact.<\/li>\n<\/ul>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>EvaPack\u00ae in action: concrete applications<\/strong><\/h2>\n\n\n\n<div class=\"wp-block-media-text is-stacked-on-mobile\" style=\"grid-template-columns:25% auto\"><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"861\" height=\"1024\" src=\"https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes-861x1024.jpg\" alt=\"\" class=\"wp-image-24613 size-full\" srcset=\"https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes-861x1024.jpg 861w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes-252x300.jpg 252w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes-768x913.jpg 768w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes-1292x1536.jpg 1292w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes-1723x2048.jpg 1723w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/Perspective-1-Ginkgo-facade-Vurpas-architectes.jpg 1823w\" sizes=\"auto, (max-width: 861px) 100vw, 861px\" \/><\/figure><div class=\"wp-block-media-text__content\">\n<p>In <strong>Lyon<\/strong>, at the <strong>Ginko school complex<\/strong>, including the <strong>Frida Kahlo<\/strong> and <strong>Wangari Maathai<\/strong> schools, an <strong>EvaPack\u00ae system<\/strong> was installed to provide <strong>indirect cooling<\/strong>. This solution was chosen to avoid mechanical air conditioning, considered too energy-intensive and less hygienic, while maintaining optimal comfort for students and staff during extreme heat events.<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-image-fill-element\" style=\"grid-template-columns:auto 38%\"><div class=\"wp-block-media-text__content\">\n<p>Another major installation demonstrating the effectiveness of this technology is the <strong>CAE<\/strong>&nbsp;in <strong>Lille<\/strong>. This 34,000 m\u00b2 office building, <strong>Passivhaus-certified<\/strong>, implemented <strong>indirect adiabatic cooling<\/strong> to ensure high energy performance while maintaining occupant comfort, even during extreme heatwaves.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><img loading=\"lazy\" decoding=\"async\" width=\"686\" height=\"386\" src=\"https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/cae-lille.jpg\" alt=\"\" class=\"wp-image-24621 size-full\" style=\"object-position:50% 50%\" srcset=\"https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/cae-lille.jpg 686w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/cae-lille-300x169.jpg 300w\" sizes=\"auto, (max-width: 686px) 100vw, 686px\" \/><\/figure><\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><p data-start=\"268\" data-end=\"328\"><strong data-start=\"268\" data-end=\"326\">Supporting Local Authorities in Their Climate Strategy<\/strong><\/p><\/h2>\n\n\n\n<p>The <strong>French National Climate Adaptation Plan (PNACC)<\/strong> and <strong>RE2020 regulations (France\u2019s energy and environmental standards for new buildings)<\/strong> promote low-energy cooling solutions in buildings. The <strong>EvaPack\u00ae<\/strong> system fits perfectly within this framework as a relevant technical response.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>VDI 6022 certified<\/strong>, ensuring high hygiene standards in air treatment.<\/li>\n\n\n\n<li><strong>GREENGUARD GOLD compliant<\/strong>, guaranteeing ultra-low VOC (volatile organic compound) emissions.<\/li>\n\n\n\n<li><strong>Fast return on investment<\/strong>: under 4 years in most cases.<\/li>\n\n\n\n<li><strong>Direct reduction in electricity and CO\u2082 consumption<\/strong>.<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Implementing an EvaPack\u00ae Project: The Key Steps<\/strong><\/h2>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"544\" src=\"https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/version-FR-1-1024x544.png\" alt=\"\" class=\"wp-image-24645\" srcset=\"https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/version-FR-1-1024x544.png 1024w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/version-FR-1-300x159.png 300w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/version-FR-1-768x408.png 768w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/version-FR-1-1536x816.png 1536w, https:\/\/www.devatec.com\/wp-content\/uploads\/2025\/07\/version-FR-1.png 2000w\" sizes=\"auto, (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<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/www.devatec.com\/en\/formations-2\/\" target=\"_blank\" rel=\"noreferrer noopener\">Devatec Training Program<\/a><\/div>\n<\/div>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>A reliable solution to extreme heat<\/strong><\/h2>\n\n\n\n<p>As heatwaves intensify and public buildings strive to remain open while aligning with climate goals, <strong>EvaPack\u00ae offers a reliable, sustainable, energy-efficient, and hygienic alternative<\/strong>.<br>A <strong>Made in Europe solution<\/strong>, already trusted by several institutions and ready to become the <strong>benchmark for hygienic adiabatic cooling in schools and beyond<\/strong>.<\/p>\n\n\n\n<p class=\"has-vivid-red-color has-text-color has-link-color wp-elements-0bac32ea80441fcfeedc233b50ee9b42\"><strong><em>Download the EvaPack\u00ae Product Brochure<\/em><\/strong><\/p>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>On July 1st, 2025, more than 1,300 French schools were forced to close due to extreme temperatures exceeding 40\u202f\u00b0C (104\u202f\u00b0F) in several regions. This unprecedented heatwave, combined with a red alert from \u201cM\u00e9t\u00e9o-France\u201d (the French national weather service), raises a critical question: how can we cool public buildings sustainably without worsening climate change? At Devatec, we firmly believe that adiabatic cooling is an effective, economical, and environmentally friendly solution. That\u2019s why our EvaPack\u00ae system stands out as a concrete response to today\u2019s thermal challenges, especially in schools, universities, and other public spaces. Why air conditioning isn\u2019t the right answer anymore ? For years, mechanical air conditioning has been seen as essential. But today, its limits are clear: Adiabatic and hygienic cooling: a natural, efficient process The principle is simple: hot air flows through a moistened media. The water evaporates by absorbing heat from the air, naturally lowering its temperature. The result? Cooler, fresher air with a slight touch of humidity. Key Advantages of EvaPack\u00ae Technology: EvaPack\u00ae in action: concrete applications In Lyon, at the Ginko school complex, including the Frida Kahlo and Wangari Maathai schools, an EvaPack\u00ae system was installed to provide indirect cooling. This solution was chosen to avoid mechanical air conditioning, considered too energy-intensive and less hygienic, while maintaining optimal comfort for students and staff during extreme heat events. Another major installation demonstrating the effectiveness of this technology is the CAE&nbsp;in Lille. This 34,000 m\u00b2 office building, Passivhaus-certified, implemented indirect adiabatic cooling to ensure high energy performance while maintaining occupant comfort, even during extreme heatwaves. Supporting Local Authorities in Their Climate Strategy The French National Climate Adaptation Plan (PNACC) and RE2020 regulations (France\u2019s energy and environmental standards for new buildings) promote low-energy cooling solutions in buildings. The EvaPack\u00ae system fits perfectly within this framework as a relevant technical response. Implementing an EvaPack\u00ae Project: The Key Steps A reliable solution to extreme heat As heatwaves intensify and public buildings strive to remain open while aligning with climate goals, EvaPack\u00ae offers a reliable, sustainable, energy-efficient, and hygienic alternative.A Made in Europe solution, already trusted by several institutions and ready to become the benchmark for hygienic adiabatic cooling in schools and beyond. Download the EvaPack\u00ae Product Brochure<\/p>\n","protected":false},"author":2,"featured_media":24660,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_seopress_robots_primary_cat":"","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","_seopress_analysis_target_kw":"","footnotes":""},"categories":[71,70],"tags":[701,702,700,105,113,698,699],"class_list":["post-26136","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-humidification-en","category-partners-en","tag-2025-en","tag-global-warming","tag-heatwave","tag-humidification-en","tag-humidite-en","tag-hygienic-en","tag-office"],"_links":{"self":[{"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/posts\/26136","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/comments?post=26136"}],"version-history":[{"count":2,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/posts\/26136\/revisions"}],"predecessor-version":[{"id":26206,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/posts\/26136\/revisions\/26206"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/media\/24660"}],"wp:attachment":[{"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/media?parent=26136"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/categories?post=26136"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.devatec.com\/en\/wp-json\/wp\/v2\/tags?post=26136"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}