Please enter a search term.

Please note:You can only obtain complete information if you indicate the place of residence, the place of business or the building project, depending on the procedure.

Testing and certification bodies in accordance with the Chemicals Climate Protection Ordinance Recognition

For certain work on e.g. refrigeration or air conditioning systems, certificates of competence are required for the personnel carrying out the work. These certificates are issued after passing the exam. Companies wishing to carry out tests or issue certificates must be recognised by the competent authority.

Process flow

Submit an application to the competent authority. The latter will ask them to submit the necessary documents.

Who should I contact?

The responsibility lies with the State Labour Inspectorate in Celle.

This procedure can also be carried out through a "Point of Single Contact". The "Point of Single Contact" is a special service offered by the municipalities and the state for service providers.


They have the appropriate resources, materials and personnel to conduct training events, take examinations and issue certificates.

Which documents are required?

No documentation is required.

What are the fees?

Fees are payable in accordance with Appendix 1 to Section 1 (1) of the General Schedule of Fees of the State of Lower Saxony (AllGO) in accordance with No. 21.6.1.

The costs depend on the time required, but at least 300 €.

What deadlines do I have to pay attention to?

There are no deadlines to be observed.

Processing duration

Processing Time: 3 Months


An objection is possible. (see NJG §80 (2) No. 4 g)

Technically approved by

Lower Saxony Ministry for the Environment, Energy and Climate Protection

Source: Serviceportal Niedersachsen (Portalverbund des Bundes und der Länder)