Da-Di-Werk Gebäudemanagement
HELLENIC PASSIVE HOUSE INSTITUTE
National and Kapodistrian University of Athens
University of Primorska
CYPRUS ENERGY AGENCY (CEA)
Guidehouse
Centre for Renewable Energy Sources and Saving (CRES)
Environ Association
National Trust EcoFund (NTEF)
SEVEn – The Energy Efficiency Center z.ú.