If you have questions about our offered documents, please contact us by phone or e-mail. We will give you detailed information.

Update: 30. April 2020


Our certificate as specialized company
Update: 11. January 2019

VDKF refrigeration and air conditioning contractor

Our certificate as refrigeration and air conditioning contractor

Update: 03. March 2021

ISO 9001:2015

Our certificate about quality management
Update: 03. March 2021

SCC** Certificate

Our safety and occupational safety certificate

Update: 27. June 2012

German Chemicals Climate Protection Ordinance Certificate

Our certificate about the German Chemicals Climate Protection Ordinance

Update: 27. June 2012

Register of qualified craftsmen

Our certificate about the registration in the craftsmen’s register
Update: 25. November 2019

Exemption certificate

Our exemption certificate concerning tax deduction for construction work


Alter Damm 6a
27245 Barenburg, DE
+49 4273 444

Legal information

© 2019 Schwier GmbH

We use cookies on our website. Some of them are essential for the operation of the site, while others help us to improve this site and the user experience (tracking cookies). You can decide for yourself whether you want to allow cookies or not. Please note that if you reject them, you may not be able to use all the functionalities of the site.