ECOS Conferences
The 2026 ECOS annual conference will be held in Romania, https://ecos2026.insae.ro/. Prof. Eden Mamut is the Execustive Drector.
Future confirmed ECOS annual conferences:
Romania, 2026
Kenya, 2027
Poland, 2028
China, 2029
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Serbia, 2030
A Brief History of the ECOS Conferences
ECOS is the name of a series of international conferences started in 1985, that focused on modern aspects of thermal sciences with particular emphasis on Thermodynamics and its applications in energy conversion systems and processes. While thermodynamics is still an important ECOS driving topic, ECOS has taken on a much broader look at energy and its sustainability, based on its pillars of environment, economics, and society.
ECOS is the acronym for Efficiency, Cost, Optimization and Simulation of energy conversion systems and processes, keywords that best describe the contents of the presentations and discussions taking place in these conferences. The name ECOS ("home" in Greek), was coined for it in 1992 to make a point that our conferences are home for a fruitful and friendly exchange of ideas, and that we need to protect the earth as our home. The ECOS INTERNATIONAL SOCIETY was incorporated in August 2021.
The complete list of all the international conferences held to date, including the names of the chairpersons and co-chairpersons, is as follows:
Past conferences
(Under construction)
ECOS 2025
The 38th International Conference of ECOS,
June 29 – July 4, Paris, France
Conference chairs: Assaad Zoughaib, Sotirios Karelas, Eden Mamut
Honorary chair: Michel Feidt
ECOS 2024
37th International Conference oof ECOS,
June 30 – July 5, Rhodes, Greece
Organizing Committee: Sotirios Karellas, Sotiris Kalogirou, Emmanouil Kakaras, George Tsatsaronis
Conference Chairs: Sotirios Karellas, Soteris Kalogirou, Emmanuel Kakaras, George Tsatsaronis, Ana Maria Blanco Marigorta, Assaad Zoughaib
ECOS 2023
36th International Conference of ECOS,
June 25 - 30, Las Palmas de Gran Canaria, Spain
Organizing Committee: Ana María Blanco-Marigorta, Noemi Melián Martel, Beatriz Del Río Gamero
Honorary Chairmen: Richard Gaggioli, Ozer Arnas
ECOS 2022
35th International Conference of ECOS,
July 3-7, Copenhagen, Denmark
Organizing Committee: Brian Elmegaard, Jonas Kjær Jensen, Wiebke Brix Markussen
ECOS 2021
34th International Conference of ECOS,
June 28-July 2, 2021, Taormina, Italy
Organizing Committee: Enrico Sciubba, Yoshiharu Amano, Brian Elmegaard
ECOS 2020
3nd International Conference of ECOS,
June 29 - July 3, Osaka, Japan
Organizing Committee: Ryohei Yokoyama and Yoshiharu Amano
Honorary Chairmen: Noam Lior, Koichi Ito
ECOS 2019
32nd International Conference of ECOS,
June 23-27: Wroclaw, Poland
Organizing Committee: Wojciech Stanek, Zbigniew Gnutek, Slawomir Pietrowicz
Honorary Chairmen: Andrzej Ziebik, Zygmunt Kolenda
ECOS 2018
31st International Conference of ECOS,
June 17-21, Guimarães, Portugal
Organizing Committee: José Carlos Teixeira, Senhorinha Teixeira
Honorary Chairmen: Daniel Favrat, Silvia Nebra
ECOS 2016
29th International Conference of ECOS,
June 19-23, Portorož, Slovenia
Organizing Committee: Alojz Poredoš, Tatiana Morosuk, Andrej Kitanovski
Honorary Chairmen: George Tsatsaronis, Noam Lior
Special issues:
ECOS 2015
28th International Conference of ECOS,
June 29 - July 3, Pau, France
Organizing Committee: Jean-Pierre Bédécarrats, Michel Feidt, Pascal Stouffs, George Tsatsaronis, Antonio Valero
Honorary Chairman: Özer Arnas
ECOS 2014
27th International Conference of ECOS,
June 15-19, Turku, Finland
Organizing Committee: Ron Zevenhoven, Henrik Saxén, Frank Pettersson, Özer Arnas
ECOS 2013
26th International Conference of ECOS,
July 15-19, Guilin, China
Organizing Committee: Na Zhang, Wei Han, Hongying Ke, Jun Sui, Yongping Wang, Yingru Zhao
ECOS 2012
25th International Conference of ECOS,
June 26-29, Perugia, Italy
Organizing Committee: Umberto Desideri, Giampaolo Manfrida, Enrico Sciubba
ECOS 2011
The 24th International Conference of ECOS,
July 4-7, Novi Sad, Serbia
Organizing Committee: Gordana Stefanović, Milorad Bojic, Noam Lior, Jovan Petrović, Vladimir Stevanović
ECOS 2010
23rd International Conference of ECOS,
June 14-17, Lausanne, Switzerland
Organizing Committee: Daniel Favrat, François Maréchal
ECOS 2009
22nd International Conference of ECOS,
August 30 - September 3, Foz do Iguaçu, Paraná, Brazil
Organizing Committee: Silvia Azucena Nebra, Silvio de Oliveira Júnior, Edson Bazzo, Arnaldo da Silva Walter
ECOS 2008
21st International Conference of ECOS,
June 24-28, Krakow-Gliwice, Poland
Organizing Committee: Andrzej Ziebik, Zygmunt Kolenda, Wojciech Stanek
ECOS 2007
20th International Conference of ECOS,
June 25-28, Padova, Italy
Organizing Committee: Mirandola, Ö. Arnas
ECOS 2006
19th International Conference of ECOS,
July 12-14, Aghia Pelagia, Greece
Organizing Committee: C.A. Frangopoulos, C. Rakopoulos, G. Tsatsaronis
Honorary Chairmen: E.P. Gyftopoulos, G. Hatsopoulos
ECOS 2005
18th International Conference of ECOS,
June 20-22, Trondheim, Norway
Executive Council: J.E. Hustad
Organizing Committee: S. Kjelstrup
ECOS 2004
17th International Conference of ECOS,
July 7-9, Guanajuato, Mexico
Organizing Committee: R. Rivero
Executive ommittee: G. Tsatsaronis, M.J. Moran
ECOS 2003
16th International Conference of ECOS,
June 30 - July 2, Copenhagen, Denmark
Organizing Committee: B. Qvale
Executive Committee: N. Houbak, M.J. Moran
ECOS 2002
15th International Conference of ECOS,
July 3-5, Berlin, Germany
Organizing Committee: G. Tsatsaronis, M.J. Moran
Honorary Chairman: K.F. Knoche
ECOS 2001
14th International Conference of ECOS,
July 4-6, Istanbul, Turkey
Organizing Committee: Öztürk, A. Bejan, M. Feidt, Y.A. Gögü
Honorary Chairman: E.P. Gyftopoulos
ECOS 2000
13th International Conference of ECOS,
July 5-7, Enschede, The Netherlands
Organizing Committee: G.G. Hirs, G. Tsatsaronis, M.J. Moran
Honorary Chairman: J. Szargut
ECOS 1999
12th International Conference of ECOS,
June 8-10, Tokyo, Japan
Organizing Committee: M. Ishida, G. Tsatsaronis, M.J. Moran, H. Kataoka
ECOS 1998
11th International Conference of ECOS,
July 8-10, Nancy, France
Organizing Committee: M. Feidt, A. Bejan, M.J. Moran, G. Tsatsaronis
Honorary Chairmen: E.P. Gyftopoulos, P. Le Goff
TAIES1997
10th International Conference of ECOS (with Thermodynamic Analysis and Improvement of Energy Systems Conference),
June 10-13, Beijing, China
Organizing Committee: Jingyi Chen, E. Sciubba
Executive Committee: Ruixian Cai, M.J.Moran, G. Tsatsaronis
ECOS 1996
International Symposium on ECOS and Environmental Aspects of Energy Systems
June 25-27, Stockholm, Sweden
Organizing Committee: G. Svedberg, G. Manfrida, M.J.Moran, G. Tsatsaronis
ECOS 1995
International Conference of ECOS,
July 11-14, Istanbul, Turkey
Organizing Committee: Y.A. Gögü, A. Öztürk, G. Tsatsaronis
FLOWERS1994
Florence World Energy Research Symposium
July 6-8, Florence, Italy
Organizing Committee: E. Carnevale, G. Manfrida, F. Martelli
ENSEC 1993
Energy Systems and Ecology
July 5-9, Krakow, Poland
Organizing Committee: J. Szargut, G. Tsatsaronis, Z. Kolenda, A. Ziebik
ECOS 1992
International Symposium on ECOS of Energy Systems
June 15-18, Zaragoza, Spain
Organizing Committee: A. Valero, G. Tsatsaronis
ATHENS 1991
Analysis of Thermal and Energy Systems
June 3-6, Athens, Greece
Organizing Committee: G. Tsatsaronis, C.D. Rakopoulos
Executive Committee: D.A. Kouremenos, R.A. Gaggioli, M.J. Moran
FLOWERS 1990
Florence World Energy Research Symposium
May 28 - June 1, Florence, Italy
Organizing Committee: S.S. Stecco, M.J. Moran
TAIES 1989
Thermodynamic Analysis and Improvement of Energy Systems
June 5-8, Beijing, China
Organizing Committee: C.H. Wu, R.A. Gaggioli
Executive Committee: Ruixian Cai, M.J. Moran
IS2LATS 1988
4th International Symposium on 2nd Law Analysis of Thermal Systems
May 25-29, Rome, Italy
Organizing Committee: R. Melli, E. Sciubba
Executive Committee: R.A. Gaggioli, M.J. Moran, E.Sciubba