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QUALITY & ENVIRONMENT

HT has always given utmost attention to the quality of its heaters, and is one of the first companies of the sector to achieve the ISO 9002 homologation in 1993.

Other certifications were achieved as a consequence for specific product types, namely VDE, LCIE and UL, whilst the company itself is proud of its ISO 9001 homologation .

From 2019 HT has also ISO 9001:2015 and ISO14001:2015.

You can download our certification documents by simply clicking the Adobe ®Acrobat icon.