{"id":590,"date":"2024-01-22T03:32:31","date_gmt":"2024-01-22T08:32:31","guid":{"rendered":"https:\/\/research.gsd.harvard.edu\/grg\/?page_id=590"},"modified":"2026-01-22T12:12:10","modified_gmt":"2026-01-22T17:12:10","slug":"radiative-sky-cooling","status":"publish","type":"page","link":"https:\/\/research.gsd.harvard.edu\/grg\/radiative-sky-cooling\/","title":{"rendered":"Radiative Sky Cooling"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<div class=\"wp-block-group alignwide\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\">\n<p class=\"has-medium-font-size\" style=\"font-style:normal;font-weight:500\">Grinham Research Group<\/p>\n\n\n\n<p class=\"has-small-font-size\" style=\"font-style:normal;font-weight:300\">Harvard University Graduate School of Design<\/p>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator alignwide has-alpha-channel-opacity\" \/>\n<\/div><\/div>\n\n\n\n<h1 class=\"wp-block-heading alignwide has-large-font-size\" id=\"h-radiative-sky-cooling\" style=\"font-style:normal;font-weight:300\">Radiative Sky Cooling<\/h1>\n\n\n\n<h1 class=\"wp-block-heading alignwide has-small-font-size\" style=\"font-style:normal;font-weight:300\">Radiative Cooling<\/h1>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-project-overview\">Project Overview<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-small-font-size\" style=\"font-style:normal;font-weight:400\">Radiative Sky Cooling technology represents a groundbreaking approach to passive cooling systems that harness the inherent cooling power of the night sky to enhance energy efficiency and reduce dependence on traditional air conditioning methods. This project aims to use the cooling potentials of radiative sky cooling towards additional properties like dehumidification and water harvesting.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading has-medium-font-size\" id=\"h-project-journey\">Project Journey<\/h2>\n\n\n\n<div style=\"height:10px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-small-font-size\" style=\"font-style:normal;font-weight:400\">Collaborative research with the Pierce Lab (Harvard University), Aizenberg Lab (Harvard University), and Yu Lab (Columbia University) is using advanced multi-spectral imaging and machine learning algorithms to identify the key structural features of butterfly and moth specifies needed to synthesize new materials with desired thermal performance.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"667\" src=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_1-2-1024x667.jpg\" alt=\"Top view of experimental set up in the lab\" class=\"wp-image-676\" srcset=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_1-2-1024x667.jpg 1024w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_1-2-300x196.jpg 300w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_1-2-768x500.jpg 768w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_1-2.jpg 1200w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<div style=\"height:25px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading alignwide has-medium-font-size\" id=\"h-application\">Application<\/h2>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<h3 class=\"wp-block-heading has-small-font-size\" id=\"h-project-team\" style=\"font-style:normal;font-weight:400\">Project Team<\/h3>\n\n\n\n<p class=\"color: #f542f5 has-black-color has-text-color has-small-font-size\" style=\"font-style:normal;font-weight:300\">Jonathan Grinham<br>Jack Alvarenga<br>Leonard Palmer<br>Tiffany Kalu<br>Nanfang Yu<br>Naomi Pierce<br>Richard Rabideau Childers<br>Anna Shneidman<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.67%\">\n<p class=\"has-small-font-size\" style=\"font-style:normal;font-weight:400\">This project is exploring ways to integrate radiative sky-cooling technology into architectural applications, such as facade systems. The 1:1 life-scale prototype of the water-capture wall system will be field-tested.<\/p>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_2-1024x576.jpg\" alt=\"Sample of radiative cooling material\" class=\"wp-image-593\" srcset=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_2-1024x576.jpg 1024w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_2-300x169.jpg 300w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_2-768x432.jpg 768w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_2-1536x864.jpg 1536w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2024\/01\/RadiativeCooling_2-2048x1152.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"940\" height=\"1024\" src=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_6-940x1024.jpg\" alt=\"Image of lab experiment \" class=\"wp-image-1272\" srcset=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_6-940x1024.jpg 940w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_6-275x300.jpg 275w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_6-768x837.jpg 768w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_6-1410x1536.jpg 1410w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_6.jpg 1500w\" sizes=\"auto, (max-width: 940px) 100vw, 940px\" \/><figcaption class=\"wp-element-caption\">In-lab testing of radiative sky cooling material<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_5-1024x768.jpg\" alt=\"Image of lab experiment\" class=\"wp-image-1271\" srcset=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_5-1024x768.jpg 1024w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_5-300x225.jpg 300w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_5-768x576.jpg 768w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_5.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">In-lab testing feeding humid air through radiative sky cooling material<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" src=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_4-1024x768.jpg\" alt=\"Image of outdoor testing\" class=\"wp-image-1273\" srcset=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_4-1024x768.jpg 1024w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_4-300x225.jpg 300w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_4-768x576.jpg 768w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_4.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Outdoor experiment comparing radiative sky cooling material to control white paint<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image alignwide size-large\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_7-1024x576.jpg\" alt=\"\" class=\"wp-image-1277\" srcset=\"https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_7-1024x576.jpg 1024w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_7-300x169.jpg 300w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_7-768x432.jpg 768w, https:\/\/research.gsd.harvard.edu\/grg\/files\/2026\/01\/RadiativeCooling_7.jpg 1500w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Speculative installation concept with hydronic radiative heating + cooling system<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator alignwide has-alpha-channel-opacity\" \/>\n","protected":false},"excerpt":{"rendered":"<p>Grinham Research Group Harvard University Graduate School of Design Radiative Sky Cooling Radiative Cooling Project Overview Radiative Sky Cooling technology [&hellip;]<\/p>\n","protected":false},"author":178,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_mi_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-590","page","type-page","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v20.10 (Yoast SEO v26.7) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Radiative Sky Cooling - Grinham Research Group<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Radiative Sky Cooling\" \/>\n<meta property=\"og:description\" content=\"Grinham Research Group 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