EUFORES
http://www.eufores.org

ES-SO joined since 2017 EUFORES, the European forum for renewable Energy Sources, which is a European parliamentary network founded in 1995 as an independent non-profit organisation aiming at promoting renewable energy sources and energy efficiency in the European Union. e

REHVA
www.rehva.eu
Federation of European Heating and Air Conditioning Associations (REHVA) was founded in 1963. REHVA represents more than 100.000 engineers from 29 European countries and its main activity is to develop and disseminate economical, energy-efficient and healthy technology for building services. 

BUILD UP Web Portal
http://www.buildup.eu
Since 2009 BUILD UP is the new environment for building professionals, local authorities and building occupants willing to share their experience on how to cut energy consumption in buildings. The key aim of this initiative is to reduce the energy consumption of buildings across Europe by transferring best practices to the market fostering their uptake. 

Active House Alliance
http://www.activehouse.info
Active House is a vision of buildings that create healthier and more comfortable lives for their occupants without negative impact on the climate - moving us towards a cleaner, healthier and safer world. Active House is a non-profit organization supported and managed by a group of Alliance Partners. The Active House specifications define 9 parameters that have to be evaluated when designing an Active House, see
http://www.activehouse.info/about-active-house/specification

ES-SO has become a member of Active House since 2013. Active House has endorsed the ES-SO Position Paper. (tag naar Position Papers)