Documentation and Certification


Our products are specifically designed for the precise control of air temperature, humidity and quality in applications such as telecommunications suites, data centres and clean rooms.
Our commitment to quality is assured in manufacturing, management and total service.

4 Service has received recognition and accreditation from a number of organizations including Lloyds Register of Quality Assurance, certified to ISO 9001.

The increased implications of FGAS and ozone depleting legislation places significant responsibilities on end users.

In response to this 4 Service actively supports and manages this obligation on the Customers behalf, ensuring all statutory requirements are met, as well as appraising the Customer and addressing any amendments or expansion to the directive.

Contact Us

DencoHappel GmbH

Südstraße 48
44625 Herne
Germany
+49 2325 468-00
+49 2325 468-222
Downloads
  • Quality policy_EN

    (PDF, 853 KB)

  • Further downloads you can find here: Document Quickfinder

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