The 13th and 14th May 2009 DAN-doors and our Polish collaborator, ASTA, attended an environmental conference in Poland. The conference referred to the environmental advantages which are obtained by energy-conserving products. In this context our Polish collaborator, ASTA, introduced DAN-doors’ products and the big environmental advantages that comes with our doors: They reduce cold – and heat loss to a minimum and secures a constant temperature in the building.