TCL - Laboratories for testing and certification work in the field of testing and certification of electrical and gas products for 40 years. We ensure our business partners the independence, impartiality, integrity and confidentiality.

We are qualified to operate according to the requirements of accreditation bodies in accordance with the requirements of standard SIST EN / IEC 17025.

Product certification

In the field of certification we offer our services to all the interested, in accordance with the European and also non-European regulations.

Testing products

In the field of product testing we perform safety, functional, energy efficiency and informative testings.



The new standard

SIST (Slovenian Institute for Standardization) is with first November 2012 issued standard: BS EN ISO / IEC 17065:2012

Extended activity in the field of testing

Activity areas of testing products was extended to manage trials of heat pumps.