Henry Meijer, The Netherlands (TVVL), 1970-1975

Neville Billington, United Kingdom (CIBSE), 1976 - 1978

Erik Erichsen, Norway (NORVAC), 1979 - 1981

Mario Costantino, Italy (AICARR), 1982 - 1984

Walter Knoll, The Netherlands (TTVL), 1985 - 1987

Branko Todorovic, Yugoslavia (Yugo KGH), 1988 - 1990

Bendt Jacobsen, Denmark (DANVAC), 1991 - 1993

Ken Dale, United Kingdom (CIBSE), 1994 - 1996

Nicolas Gomez Gil, Spain (ATECYR), 1997 - 1999

Per Rasmussen, Denmark (DANVAC), 1999 - 2002

Dušan Petráš, Slovakia (SSTP), 2002 - 2005

Olli Seppänen, Finland (FINVAC), 2005 - 2008

Francis Allard, France (AICVF), 2008 - 2011

Michael Schmidt, Germany (VDI), 2011 - 2013     

Karel Kabele, Czech Republic (STP), 2013 - 2016

Stefano P. Corgnati, Italy (AiCARR), 2016 - 2019

Frank Hovorka, France (AICVF), 2019-2022

Belgium: Brussels, 1970, 1997, 2018

Croatia: Zagreb,

Czech Republic: Prague, 2013

Denmark: Copenhagen, Aalborg, 1966, 1971, 1976, 1985, 2016

Estonia: Tallinn, 2011

Finland: Helsinki, 1972, 1990, 2007

France: Paris, La Rochelle, 1965, 1967, 1991, 2003

 Germany: Aachen, Berlin, Düsseldorf, 1965, 1984, 2008, 2014

Hungary: Budapest, 1967, 1973, 1980, 1996

Italy: Milano, Bologna, Naples, 1966, 1986, 2001

Latvia: Riga, 2002,2015

Lithuania: Vilnius, 2004

Netherlands: Amsterdam, The Hague, Rotterdam, 1963, 1975, 1988, 2009, 2022

Norway: Oslo, 1968, 1974, 1994

Poland: Warsaw, 1970, 1987

Romania: Sinaia, Timisoara, Bucharest, 1995, 2012, 2019

Russia: Moscow, 2006

Serbia: Belgrade, 

Slovakia: Bratislava, 1999

Spain: Madrid, Palma de Mallorca, Torremolinos, Sevilla, 1978, 1983, 1992, 1998

Sweden: Stockholm, Gothenburg, 1964, 1981

Switzerland: Zürich,Bern, Lausanne, 1969, 1982, 2005

Turkey: Istanbul, Antalya, 2000, 2010

United Kingdom: London, 1964, 1979, 1993, 2017

Online: 2020, 2021