Company history


1928 The company E. Looser & Co. has been founded in Vilters (Switzerland) by Emil and Elsa Looser.


1930 Production of the first semiautomatic fuel oil blown air burners for furnaces.


1938 Production of the first heavy oil burners. First exports to Belgium and Sweden.


1939 – 1945 The lack of fuel during the war forces a change of the production in favor of hot airheaters and machines for woodworking. After the end of the conflict, the production of fuel oil burners starts again.



1952 The company Klöckner has been founded in Reutlingen (Germany).


1962 Production of the first blown air gas burners in the plant of Ravensburg (Germany).


1964 ELCO was established in France.


1978 50th anniversary: ELCO is now active in 40 Countries.


1979 Production of burner N° 1.000.000.



1987 Entrance into the fellowship with 20.000 bearer shares, the company still remains at 75% in the family. The company is a European leader in energy technology.


1988 Opening of the new production site in Vilters with a capacity of 15.000 m3, including a logistics center. ELCO Vilters receives SQS certificate ISO 9001.


1989 Merger with the German company Klöckner and French Cuenod Thermotechnique. The new group employs 3.100 employees. The three brands ELCO, Cuenod and Klöckner still continue to persist. Doubling of sales.


1993 Inauguration of the new R&D center in Hechingen (Germany).



2001 The Italian MTS Group (today Ariston Thermo) acquires the company ELCO Klöckner. Thanks to the new international partners active in the heating field, the supplier ELCO has the ability to offer appreciated customized solutions.


2008 ELCO introduces the innovative Elcogram language for quick setting and user-friendly communication on all small and medium capacity burners.


2010 Beginning of the ambitious 2...10 MW Program, first market introduction of NEXTRON burners and beginning of the project to renew the VECTRON range.


2013 Completion of the 2...10 MW Program with the introduction of new electronic models up to 10 MW; completion of the project of renewal the VECTRON range with new dual fuel models.



New Burner Academy Training room set up in our production plant in Pirna (Germany).

Introduction of the new PROTRON burners, a new range designed for light industry applications

First market introduction of the new industrial burner range EK EVO. 



Extension of EK EVO range with new models in gas up to 10 MW.




New Elco Heating and Industry catalogues available...



Come and visit us at PaintExpo, in Karlsruhe, Germany...



Our products exposed at

MCE Milan 2016...






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