2007	In October Dantherm's French subsidiary in the Process Ventilation business segment, Dantherm Filtration SAS, signs an agreement to sell the Company's finishing line activities. Dantherm also sells Glenco A/S with the subsidiaries Venair A/S og AB Venair in October. Furthermore the 6.8 % indirect equity interest in Royal Scandinavia A/S is sold in October.
2006	In February Dantherm Filtration AB acquires the activities of Scandab AB. A/S Dantherm Holding changes name to Dantherm A/S after the General Assembly 6th April.
2005	The DISA Air Group is integrated in the Dantherm Group and changes name to Dantherm Filtration per 1 July. In connection with a branding project covering the entire group Dantherm A/S changes name to Dantherm Air Handling per 1 October.
2004	A/S Dantherm and Dantherm HMS A/S merge with Dantherm A/S as the common company name. Dantherm A/S acquires Kontrollelektronik AB in Söderköping Stelectric A/S merges with Thoustrup & Overgaard A/S under the new name T&O Stelectric A/S. Dantherm Holding acquires the DISA Air Group and the main activitites in Siemens Technology Services A/S.
2002	Merger between Dansk Industri Invest and Dantherm Holding and introduction to the Copenhagen Stock Exchange on the 05.07.02. Through the merger with Dansk Industri Invest the company Glenco VSK, working with technical building installations, is now a part of the Dantherm Group.
2001	Dantherm Holding acquires Ventilatorverken AB in Sweden.
2000	Establishment of Venair A/S as an independent company. Establishment of Venair as an independent company.
1998	Dantherm HMS A/S is established as an independent company.
1998	Dantherm Holding A/S is established.
1983	Stelectric is started by Svend Thøgersen, and is in 1987 restructured as a company with limited responsibility (A/S).
1973	A/S Dantherm is divided into A/S Dantherm as a production company and A/S Dantherm Trading, to undertake the sales of Dantherms products on the Danish market.
1966-1973	Sales organisations are founded in the Scandinavian countries, in Germany, in France and in England.
1963	Dantherm is established as a company with limited responsility (A/S).
1958	Dantherm is founded by E. R. Olsen, who dies in 1991.