We have been awarded the Category A1 company certificate . This certificate is issued by the Federal Ministry of Agriculture, Forestry, Climate and Environmental Protection, Regions and Water Management and confirms that we, as a company, demonstrably meet the requirements set out in the relevant legislation. It is valid until 12 March 2029.
What the certificate specifically regulates
The certificate entitles Merz RailServices GmbH, without prejudice to the requirements of commercial law, to carry out:
- Installation
- Repair
- Maintenance
- Servicing
- Decommissioning
to the institutions specified in Implementing Regulation (EU) 2024/2215. These include, among others:
- stationary refrigeration systems,
- stationary air conditioning systems and heat pumps,
- stationary organic Rankine cycles,
- refrigeration systems in refrigerated trucks and trailers, and
- refrigeration systems in light refrigerated vehicles, intermodal containers and railway wagons.
The certification is related to Regulation (EU) 2024/573 and national regulations on the handling of fluorinated greenhouse gases and their alternatives.
This clearly defines the legal framework under which we are permitted to carry out this work and the evidence we as a company must provide to this end.
Significance for our customers and partners
For our customers, certification means above all:
- Compliant execution of all work on the specified systems.
- Documented processes and traceability, particularly with regard to testing and maintenance.
- Safe and responsible handling of refrigerants, including fluorinated greenhouse gases and their alternatives.
Through the systematic application of these requirements, we contribute to operational safety, risk minimisation and compliance with regulatory requirements in ongoing projects.
Responsibility and quality standards
Obtaining the Category A1 company certificate is not a mere formality for us, but part of a clear understanding of quality and the environment. We see it as our obligation to always organise technical work on safety-relevant systems in such a way that:
- Professional qualifications,
- organised processes and
- legal requirements
work together in a comprehensive system.
Concluding remarks
With the Category A1 company certificate , we have a clear, officially approved framework for our activities in the areas described. This creates reliability, both for our customers and partners as well as for internal processes and audits.
Please do not hesitate to contact us if you have any questions about certification or its areas of application.

