Federation of European Heating and Air-conditioning Association (REHVA)

REHVA is came into being in September 1963 and is an organisation connecting European Professionals in the area of Building Engineering Services (heating, ventilating and air-conditioning for energy efficient healthy buildings). It represents more than 110 000 buidling engineers from 30 European countries, and its aim is to develop & disseminate economical, energy efficient and healthy technology formechanical services of buildings, to serve its members and the field of Building Engineering.

Link to website: http://www.rehva.com