AUTHOR=Craig Salmaan , Halepaska Anna , Ferguson Katherine , Rains Preston , Elbrecht Jacob , Freear Andrew , Kennedy David , Moe Kiel TITLE=The Design of Mass Timber Panels as Heat-Exchangers (Dynamic Insulation) JOURNAL=Frontiers in Built Environment VOLUME=6 YEAR=2021 URL=https://www.frontiersin.org/journals/built-environment/articles/10.3389/fbuil.2020.606258 DOI=10.3389/fbuil.2020.606258 ISSN=2297-3362 ABSTRACT=

Mass timber products, together with careful forestry management, could help decarbonize the construction industry. These products must be long-lasting, to safely store atmospheric carbon for decades or centuries, and multi-functional, to displace materials and equipment that are emissions-intensive. This paper shows how to optimize mass timber panels as heat-exchangers, suggesting how to eliminate insulation while simplifying HVAC systems. Test panels measured the heat-exchange in steady and transient conditions, when the ventilation was driven by a fan or by thermal buoyancy. The total heat transfer was predicted accurately by theory in all cases. Further investigation is needed to understand the possible heat-recovery effects at the exterior surface.