It is our great pleasure to invite you to participate in the 7th Southeast Asia Conference on Thermoelectrics (SACT2022), which will be held on December 7-8, 2022 online. The Southeast Asia Conference on Thermoelectrics (SACT) has been initiated and organized by the Thai Thermoelectric Society since 2010. It aims to accelerate and promote the dissemination of scientific and technical progress in the field of thermoelectrics in Southeast Asia, enhance communication between research institutions and industry to promote TE applications, and provide a forum for the exchange of information and achievements. Experts, scientists and engineers from research and industry throughout Southeast Asia and abroad are invited to attend. The topics of SACT are: Thermoelectric Materials and Modeling, Thermoelectric Device Development and Testing, Thermoelectric System Design and Applications, and Other Materials and Applications. All papers will be selected for publication in Journal of Materials Science and Applied Energy (TCI1,ACI), and Creative Science (TCI1, ACI) after peer review publication.