Management system certification

To ensure good quality and continuous development of our products and operations, we have updated and certified our management system to comply with the latest ISO standards (ISO 9001: 2015 and ISO 14001: 2015). 

The operating system audit was carried out by DNV GL. 

Certification is an indication to our customers that they can rely on our products and services.

  ISO 9001:2015 Quality Management
  ISO 14001:2015 Environmental Management

VTT product certificate

Vallox ventilation units are certified by VTT Expert Services Ltd. Product certificate allows us to demonstrate the functionality of the product according to the certification criteria.

The VTT product certificate specifies the product characteristics based on the test results or calculations and the general requirements for the product. 

The VTT product certificates are available on the Vallox website (

Vallox 245 MV product certificate. All Vallox ventilation units have a VTT product certificate.

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