High quality of our products is confirmed by certificates listed below:

Total Quality Management ISO 9001:2000

♦ TUV Certificate - TUV 2008-07-11

♦ Efficiency and energy performance SPF Nr C824; C825. Certificates issued by independent The SPF Solartechnics Institute in Switzerland (www.solarenergy.ch)

♦ Since 1981 the Institute has been carrying out technical and development research on thermal solar technology based on EN, ISO, DIN standards.

♦ SOLAR KEYMARK DIN EN 12975-1:2006-06 certificate. Certificate granted by DIN CERTCO (www.dincertco.de) is the quality mark for solar products, which proves their conformity with EN 12975 European standards. The certificate is required to get grants in many European counties.