Our goal is maximum customer satisfaction. This is why we at STE have adopted an integrated quality management system for the company's overall organization. This is an integral part of every business activity and each employee acts in compliance with this principle.
Such certifications are issued by accredited certification bodies. We hold the following certifications:
ISO 9001
STE is ISO 9001 certified in the following activities: maintenance of air-conditioning, heating, electrical and fire-protection systems.
Presidential Decree 43/2012 - FGAS
STE is FGAS certified for the following activities: installation, maintenance and repair of stationary refrigeration, air-conditioning and heat pumps containing certain fluorinated greenhouse gases.