HVAC structures with EN 15085 certified welding

Producing metal structures for HVAC systems is an industrial activity that involves several processes, one of which is welding with quality guaranteed by the Certification of Welding of Vehicles and Railway Components (CWRVC).

Complying with these requirements and resorting to specialized teams, MCG transportation is qualified to work with some of the most important manufacturers of railway applications in the world.

The challenge

Develop and manufacture metal structures for HVAC systems according to the needs of an internationally renowned train manufacturer, applying welding processes with EN 15085 certification.


MCG know how

EN 15085 Certified Welding

MCG is a company certified in EN 15085 welding processes, an essential condition to be able to produce this type of metal structures and to be able to work with some of the most important manufacturers of railway applications in the world.

Qualified teams

Our procedures and operators are CL1 qualified: the most demanding level of specification.

Optimized management

Stainless steel, aluminium or carbon steel, in different thicknesses and complex joints: MCG is prepared to offer high quality products, with a focus on technologically optimized production processes and flows and with strict project management.



  • Product development
  • Industrial design
  • Packaging engineering



  • Laser cutting and punching
  • Certified welding
  • Collage



  • EN 15085-2 (CL1) – Quality requirements for the welded construction of vehicles and components for the railway industry


Additional information

The welding of railway vehicles and components is increasingly specified and sought after by customers in the areas of components, subassemblies, and vehicles of this kind.

Components as diverse as HVAC metal structures, electrical cabinets, or toilet modules are just a few examples of railway projects developed at MCG.

Welded HVAC structures for railway systems, with welding with EN 15085 certification.