
PLEA 2026 (Passive and Low Energy Architecture) is one of the world's most important international conferences on sustainable architecture, bioclimatic design, building science, energy efficiency, and urban resilience. The 2026 edition will take place from July 27 to 31, 2026, in San José, Costa Rica, marking the first time this prestigious gathering is held in Central America.
Under the theme "Common Sense Architecture: Harvesting Local Wisdom for Sustainable Futures," the conference will bring together researchers, professionals, educators, students, policymakers, and community leaders from around the world to reflect on the role of architecture and urbanism in addressing contemporary environmental, social, and climate challenges.

