+49 711 36591990

Maintenance, Repair, Service


Our tasks


cleanroom technology

, trouble-free systems are the basic prerequisite for the proper operation of many buildings and technical work processes. Experienced experienced specialist personnel takes care of





to prevent possible malfunctions or at least to remedy them as quickly as possible. The qualified technicians of CAT Group are your ideal contact persons for this purpose.

Our services (excerpt)

Maintenance of ventilation and cleanroom systems according to VDMA 24186:

  • AC systems

    (air-conditioning systems)

  • Cooling systems
  • FFU

    (filter fan unit)

  • VFR (volume flow controller)
  • FD (fire dampers)
  • MCR (measurement, control, regulation)
  • Electrical equipment (control cabinet)
  • Sluice control (according to GMP)

Repair of ventilation and cleanroom equipment:

  • Maintaining and/or restoring the functional condition of ventilation and cleanroom systems and their components

Service aspects of

ventilation and cleanroom systems:

  • Hygiene inspections according to VDI 6022
  • Energetic inspections according to

    GEG 2020

    (German Act for Buildings GEG;§ 74 Operator Obligation)

  • Cleaning of ventilation and cleanroom systems (according to VDI 6022
  • Metrological qualification of cleanrooms and media in the cleanroom environment according to



    DIN EN ISO 14644


    ISO 8573

  • Conversion/new building/dismantling of ventilation and cleanroom systems
  • Verification of

    air tightness of ventilation ducts

    according to DIN EN 1507 and DIN EN 12237, ventilation systems, rooms, buildings and building shells according to DIN EN 1886 and VDI 2083 part 19.

  • Special measurements (e.g.,

    air quality


  • Comfort measurements at the workplace; product safety measurements
  • FAT (Factory Acceptance Test) of air-conditioning systems
  • FFU (Filter Fan Unit): Sales, commissioning, maintenance
  • Hygienic air purifiers: Sales, commissioning, maintenance

Other competences


Any questions? Simply contact us without any obligation. We will be happy to assist you with our reliable expertise.

    CAT Clean Air Technology GmbH
    Motorstr. 51 | 70499 Stuttgart
    CAT e-tec GmbH
    Motorstr. 51 | 70499 Stuttgart
    CAT m-tec GmbH
    Motorstr. 51 | 70499 Stuttgart
  • Tel: +49 711 3659199 – 0
    Fax: +49 711 3659199 – 99

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