Macedonian Centre for Energetic Efficiency - MACEF Volunteer Scientific Association, member of RENEURThe Macedonian Centre for Energetic Efficiency - MACEF from Skopje is a volunteer scientific association, founded to act on the territory of the Republic of Macedonia as well as outside its borders. It has been active since December 2002 and it is a member of the international network for energetic efficiency RENEUR (Regional Network for Efficient Use of Energy and Water Resources) that also includes Albania, Bulgaria, Bosnia and Herzegovina, Macedonia, Moldavia, Romania, Serbia and Montenegro and Croatia.