{"id":3804,"date":"2025-07-08T10:43:26","date_gmt":"2025-07-08T14:43:26","guid":{"rendered":"https:\/\/research.gsd.harvard.edu\/maps\/?p=3804"},"modified":"2025-07-08T10:53:39","modified_gmt":"2025-07-08T14:53:39","slug":"thermal-material-priming","status":"publish","type":"post","link":"https:\/\/research.gsd.harvard.edu\/maps\/2025\/07\/08\/thermal-material-priming\/","title":{"rendered":"Thermal Material Priming"},"content":{"rendered":"\n<p><a href=\"https:\/\/research.gsd.harvard.edu\/maps\/research\/\" data-type=\"page\" data-id=\"2\">Research<\/a><\/p>\n\n\n\n<h1 class=\"wp-block-heading\">Materials and Thermal Perception: the effect of priming.<\/h1>\n\n\n\n<figure data-wp-context=\"{&quot;imageId&quot;:&quot;69e8e3c593563&quot;}\" data-wp-interactive=\"core\/image\" class=\"wp-block-image size-large wp-lightbox-container\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"560\" data-wp-class--hide=\"state.isContentHidden\" data-wp-class--show=\"state.isContentVisible\" data-wp-init=\"callbacks.setButtonStyles\" data-wp-on-async--click=\"actions.showLightbox\" data-wp-on-async--load=\"callbacks.setButtonStyles\" data-wp-on-async-window--resize=\"callbacks.setButtonStyles\" src=\"https:\/\/research.gsd.harvard.edu\/maps\/files\/2025\/07\/02_Study_room-1024x560.png\" alt=\"Thermal control booth\" class=\"wp-image-3807\" srcset=\"https:\/\/research.gsd.harvard.edu\/maps\/files\/2025\/07\/02_Study_room-1024x560.png 1024w, https:\/\/research.gsd.harvard.edu\/maps\/files\/2025\/07\/02_Study_room-300x164.png 300w, https:\/\/research.gsd.harvard.edu\/maps\/files\/2025\/07\/02_Study_room-768x420.png 768w, https:\/\/research.gsd.harvard.edu\/maps\/files\/2025\/07\/02_Study_room-1536x840.png 1536w, https:\/\/research.gsd.harvard.edu\/maps\/files\/2025\/07\/02_Study_room-2048x1119.png 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><button\n\t\t\tclass=\"lightbox-trigger\"\n\t\t\ttype=\"button\"\n\t\t\taria-haspopup=\"dialog\"\n\t\t\taria-label=\"Enlarge\"\n\t\t\tdata-wp-init=\"callbacks.initTriggerButton\"\n\t\t\tdata-wp-on-async--click=\"actions.showLightbox\"\n\t\t\tdata-wp-style--right=\"state.imageButtonRight\"\n\t\t\tdata-wp-style--top=\"state.imageButtonTop\"\n\t\t>\n\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"12\" height=\"12\" fill=\"none\" viewBox=\"0 0 12 12\">\n\t\t\t\t<path fill=\"#fff\" d=\"M2 0a2 2 0 0 0-2 2v2h1.5V2a.5.5 0 0 1 .5-.5h2V0H2Zm2 10.5H2a.5.5 0 0 1-.5-.5V8H0v2a2 2 0 0 0 2 2h2v-1.5ZM8 12v-1.5h2a.5.5 0 0 0 .5-.5V8H12v2a2 2 0 0 1-2 2H8Zm2-12a2 2 0 0 1 2 2v2h-1.5V2a.5.5 0 0 0-.5-.5H8V0h2Z\" \/>\n\t\t\t<\/svg>\n\t\t<\/button><\/figure>\n\n\n\n<p>Our study on the relationship between interior materials and thermal perception was published in &#8216;Buildings and Environments. From the abstract: &#8220;The effects of color and lighting on thermal perception and comfort have been studied through a multitude of methods, including virtual reality (VR) simulations as well as in vivo studies. The potential role of surface materials, however, remains poorly understood in this regard, even though materials and surface colors are clearly related factors in the perception of building interiors. In this study, we tested two Virtual Reality (VR) office spaces, one designed with wood and one with concrete. 38 participants (N = 38) were recruited to complete a simple reading task over fifteen minutes while being seated in a controlled temperature thermal booth. During this time, the booth temperature dropped by an average of 0.3 \u25e6C (0.5 \u25e6F) per minute from 22.2 \u25e6C (72 \u25e6F) to 17.7 \u25e6C (64 \u25e6F). Participants had the perceived ability to control the room\u2019s temperature via a virtual reality interface, an action that served as a measure of \u2018\u2018thermal tolerance\u2019\u2019 based on how long it took participants to try and stop the constant temperature drop in the thermal booth during the experimental task. Participants were surveyed after the study to state their perceived starting and ending room temperature.<\/p>\n\n\n\n<p>The results confirmed the hypothesis that the wood room was perceived as warmer overall than the concrete room. However, the results for the \u2018\u2018thermal tolerance\u2019\u2019 metric varied based on the current outside temperature as we predict participants expected different interior temperature regimes in warm compared to cool outdoor conditions. The perception of the concrete room as cooler than the wood room showed the greatest correlation with thermal tolerance when outdoor temperatures were warm, increasing thermal comfort in the concrete room. The results of the study validate the hue-heat hypothesis for architectural building materials and support the potential for thermal perception to induce actionable behavior and promote passive energy savings through the choice of interior building materials.&#8221; <\/p>\n\n\n\n<p>The chart above shows the thermal booth that was designed to study the tolerance to uncomfortably cold temperatures while experiencing the VR environment. For more information, please check out the corresponding paper:<\/p>\n\n\n\n<p>Guida, G., Richter-Lunn, K., and Bechthold, M. 2024. \u201cThermal-Material Priming: The Influence of Building Materials on Thermal&nbsp;Perception and Tolerance in Immersive Virtual Environments.\u201d&nbsp;<em>Building and Environment.<\/em><\/p>\n\n\n\n<p class=\"has-text-align-center\"><\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\" \/>\n\n\n\n<p><strong><span style=\"font-family: georgia, palatino;font-size: 16px\">Team<\/span><\/strong><\/p>\n\n\n\n<p>George Guida, MArch II &#8217;24, Harvard GSD<\/p>\n\n\n\n<p>Katarina Richter-Lunn, DDes \u201825, Harvard GSD<\/p>\n\n\n\n<p>Martin Bechthold, MaP+S Director, Prof. Academic Dean Harvard GSD<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p>Funding: Harvard Center for Green Cities and Buildings<\/p>\n\n\n\n<p><\/p>\n\n\n\n<p><\/p>\n\n\n\n<div class=\"wp-block-columns 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\"><\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<div style=\"height:100px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Using VR, we studied the effect of interior materials on the subjective perception of temperature, as well as the effect materials have on tolerance to normally uncomfortable temperatures.<\/p>\n","protected":false},"author":10,"featured_media":3808,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[9],"tags":[44],"class_list":["post-3804","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-portfolio","tag-perception-research"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - 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