Purchasing department

We are system manufacturer of high quality, technologically advanced heating system components. We would like to develop a long-term and mutually beneficial cooperative relationship with our suppliers.

Therefore, we would like to get to know you better. May we ask you to complete the "Supplier's Information Form" under "Initial contact". Please make full use of your first opportunity to contact our purchasing department. The relevant specialist buyer will then make contact with you as soon as possible.

> Initial contact

Exclusive information and services for our suppliers are available in the Viessmann portal.

> Login Viessmann portal


List of banned substances

Our strategic goals in regard to the environment, health and safety include the reduction of pollutants and emission to the environment. To this end we constantly review, improve an update our processes and our products.

The hazardous material and substance law outlines banned substances, substance restrictions and limits. All suppliers need to be in full compliance with these regulations without any exceptions. All goods and services shall be provided in the light of these prohibitions.

You can find a current list of banned substances and materials under "Download" (this information is supplied without liability).