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HVAC & Refrigeration (Kälte- und Klimatechnik)
GewO §94 Z.33
Verified: April 2026
Key Facts
- Type: Regulated trade
- Qualification: Qualification exam or relevant technical degree
- Registration cost: Free (€0)
- F-gas certificate: EU F-gas Regulation certification mandatory for refrigerant handling
- Growing sector: High demand due to heat pumps and climate adaptation
What This Trade Covers
- Installation and maintenance of air conditioning systems
- Commercial and industrial refrigeration systems
- Heat pump installation and commissioning
- Cold room and cold chain logistics infrastructure
- Ventilation systems and indoor air quality solutions
- Refrigerant handling, recovery, and disposal (F-gas compliant)
F-gas Regulation compliance is mandatory
Anyone handling fluorinated greenhouse gases (HFCs) must hold a valid EU F-gas certificate
(EU Regulation 2024/573). This applies to installation, servicing, and decommissioning
of cooling and AC systems. The F-gas certificate is separate from the GewO trade license
and must be renewed periodically.
Related Guides
Legally binding: German text of GewO 1994.