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 applicable 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.
