Certifications & affiliations

The markets in which we operate are highly regulated, where product performance is both a critical safety and economic driver. 

Our customers rightly demand that their partners deliver high quality and are in compliance with applicable regulations.  Callenberg Technology Group complies with relevant standards and authorities for the market segments and geographical locations in which we operate.  The following is a selection of compliances and approvals held within our HVAC group.


Quality assurance

  • NS-ISO 9001:2008 (NEMKO AS Cert.no 900672)
  • ISO 9001:2008 (ACM Limited Cert.no 08502A)
  • OHSAS 18001:2007 (ACM Limited Cert no. 08502C)
  • ISO 14001:2004 (ACM Limited Cert.no 08502B)
  • NS-ISO 14001:2004 (NEMKO AS Cert.no 901106)
  • ISO 14001:2004 (LRQA Sverige AB cert.no GBG0002120/1)

System compliance and approvals