SCHNEIDER INTERNATIONAL GmbH is a family owned company with one of the longest tradition in German boiler technology. The roots are going back to the year 1881 when Carl Schneider, the great-great-grandfather of the present generation, estabished the â Dampfkessel Revisions Vereinâ in Berlin, Germany. Today this organization is worldwide well known as the TUV ( Technical Supervision Organization) , the German Boiler Authorities. 3-Pass Low-Nox-Design: Lowest emissions during all operation conditions Low Operation Costs: High Efficiency, Low Costs of Service Easy to Maintain and Clean Large Water Content: Long Burner Running Time