The range of air handling units TANGRA AHU, produced by TANGRA, were tested and certified by the German certifying organization TÜV Rheinland.
The tests took almost 1 year and they finished in September 2013.
“TANGRA” produce three different ranges of air handling units:
TANGRA AHU-REC – air handling units with heat recovery
TANGRA AHU-DEX – air handling units with heat recovery and heat pump incorporated
TANGRA AHU-HYG – air handling units – hygienic version
The three types of air handling units were tested under the aplicable standards. The certification of the air handling units TANGRA AHU, carried out by the German organization TÜV, is a guarantee for high quality, safe and reliable product. Thus “TANGRA” became the first Bulgarian manufacturer of air handling units with international certification.