Please enter a search term.

IMPORTANT: Select a location.To obtain application forms, location-specific information and contacts, select a town or zip code.

For an area outside of Lower Saxony and foreign languages, some menu items and functions are not available. Please go to the service page of the respective country.

Please specify an area.

Which place to enter?

The location is used to determine the responsible office for the selected administrative service. In most cases you can enter your place of residence to find the competent authority. However, there are also cases in which a different location must be specified. Here are some examples:

Birth certificateYou want to get married and need a birth certificate. You live in Hanover, but you were born in Celle. You must therefore state your place of birth, i.e. Celle.

Business registrationYou would like to register a business in Braunschweig. Your place of residence is Hanover. You must therefore state the location of your future business, i.e. Braunschweig.

Apply for a building permitYou would like to build a house in Wunstorf and therefore apply for a building permit. Her place of residence is currently Hanover. You must indicate the place where the house is to be built. In this case it is Wunstorf.

Certificate of competence in accordance with the Chemicals Climate Protection Ordinance Exhibition


Since 4 July 2009, anyone wishing to install, check for leaks, maintain, maintain or recover the gases requires a new certificate of competence so that the activity can continue to be carried out.


The competent authority issues certificates of competence for persons who wish to install, check for leaks, maintain, maintain or recover systems containing fluorinated greenhouse gases. This is provided for by the Chemicals Climate Protection Ordinance (ChemKlimaschutzV), which came into force on 1 August 2008 and is based on Regulation (EC) No. 842/2006 on certain fluorinating propellants.

The following activities are affected:

  • activities on refrigeration systems, air conditioning systems and heat pumps,
  • activities at facilities containing fluorinated greenhouse gases as solvents,
  • activities on fire protection systems and fire extinguishers,
  • Activities on high-voltage switchgear and
  • Activities on air-conditioning systems in motor vehicles.

Requirements

  • In order to obtain the certificates of competence, a theoretical and practical examination must be taken.
  • For work on air conditioning systems in motor vehicles, participation in a training course is sufficient.
  • In addition, in the case of activities, the applicant must:
    • refrigeration and air conditioning systems as well as heat pumps have completed a technical or craft training qualification qualifying them for the respective activity and have passed a theoretical and practical examination.
    • Establishments containing fluorinated greenhouse gases as solvents, have successfully completed technical or craft training enabling them to carry out the respective activity and have passed a theoretical and practical examination.
    • fire protection systems and fire extinguishers have passed a theoretical and practical exam.
    • high-voltage switchgear have passed a theoretical and practical examination.
    • air conditioning systems in motor vehicles have successfully participated in a training program.
  • Persons who have completed training as a refrigeration system engineer receive the certificate of competence without taking an examination.

Applications / forms

Please contact the competent authority.

Which documents are required?

No documents are required.

What are the fees?

Fees are charged in accordance with the fee schedule of the competent authority. Please contact the competent authority.

Process flow

Please contact the competent authority.

What deadlines do I have to pay attention to?

Deadlines may have to be observed. Please contact the competent authority.

Processing duration

Processing Time: 3 Months
Section 12 (1) of the Chemicals Climate Protection Ordinance (ChemKlimaschutzV)

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