The 11th REHVA world congress CLIMA 2013 will focus on Energy efficient, smart and healthy buildings. Scientists, industry, building owners, consultants, engineers, architects and policy-makers are a platform for the exchange of scientific knowledge and solutions of HVAC technology. ES-SO, as a supporting partner of REHVA will organize a workshop on ' Gaining control of the solar situation: shading solutions for comfort and energy efficiency in buildings' , see programme Clima 2013.