DVGW CERT GmbH is a certification company in the field of sanitary installations and heating systems, completely economically independent and with single-minded commitment to the cause.

The DVGW Cert GmbH checks and evaluates whether the products meet the requirements set out in the generally recognized rules of the technology and standards.

Our limescale protection systems are tested for their efficiency, hygiene, safety and their selection of suitable materials. The certificate, connected with considerable costs and long waiting periods, primarily offers planners, architects, builders, installers and consumers of limescale protection devices in water systems legal certainty.