ARTE has been certified by RRF, a German certification institute. RRF’s testing laboratories after examining and testing the SOL 60, SOL 70, SOL 80 & SOL 90 inset fireplaces according to DIN EN 13229:2001/AC:2006 and DIN EN 13229:2001/AC:2004/AC:2007 has delivered the initial type tests – ITT for the aforementioned products. According to the test results and the current EU Legislation, ARTE is authorized to sell these products to all European CEN members (e.g. France, Germany, Switzerland, Italy and others).