1973 28. March 1973 1973 https://justsen.dk/wp-content/uploads/2019/04/1973.jpg 600 600 Justsen Energiteknik A/S Justsen Energiteknik A/S //justsen.dk/wp-content/uploads/2019/01/justsen_logo_1959_rgb.png 28. March 1973 2. October 2019 The first oil crisis meant that residual waste from the wood working industry could compete with fossil fuels. Bindslev Listefabrik ordered the first boiler to deliver heat through the district heating network.