Quality is our claim.

  • Certifications for high quality standards
  • Responsible action
  • Quality from Germany
  • Approval for Ex heaters


Quality is our claim. Our certifications speak for Lm-therm’s high quality standards. In addition, we are aware of our responsibility towards the environment and focus more on environmentally conscious packaging.

QM according to ISO 9001-2015

Lm-therm Elektrotechnik AG has been certified to DIN EN ISO 9001 since 2001. Regular renewal of the certificate is a matter of course for us.

Quality from Germany

Made in Germany

Lm-therm Elektrotechnik AG manufactures its control cabinet heaters and cable technology in Germany. This enables us to guarantee a high level of delivery reliability.

Certificate Ex heaters

Lm-therm Elektrotechnik AG is one of the few companies approved for the production of heaters and temperature controllers in potentially explosive atmospheres.

AEO certificate

The AEO certificate (AEO – Authorized Economic Operator) is an essential part of the security concept in the European Union. The holder is considered to be particularly reliable and trustworthy and can benefit from special privileges during customs clearance.

North American standards

For use in North American territories, Lm-therm Elektrotechnik AG produces devices that it has had certified as approved components for North American standards and continues to have these standards tested regularly.

Canadian standards

Lm-therm Elektrotechnik AG is also certified for the manufacture of products that must meet the requirements of Canadian standards. Compliance with these standards is subject to regular inspection.