2005 1. January 2005 2005 https://justsen.dk/wp-content/uploads/2019/04/2005.jpg 600 600 Justsen Energiteknik A/S Justsen Energiteknik A/S //justsen.dk/wp-content/uploads/2019/01/justsen_logo_1959_rgb.png 1. January 2005 2. October 2019 Acquisition of the boiler manufacturing company Argusfyr Energiteknik A/S. The ARGUS brand name being kept for standardized hot water boilers from 2012.