TANGRA's News
NEW! High efficiency heat recovery ventilation EVB 04 HiE – EVB 30 HiE
High energy efficiency could be achieved only with heat recovery units.
Heating with pellets!- First official event
The winter already at your door. There are many ways for heating, but the aim of this event is to show alternative ways of heating. We would like to pay attention to wood biomass and to give some more information about advantages and price comparison, the way of supplying pellets and the equipment for heating with pellets.
Round ceiling diffusers with adjustable blades
Round ceiling diffusers, suitable for high premises. Adjustable blades \"winter-summer\", allows reducing the cost for heating in winter and cooling in summer.
TANGRA turned 23 years!
TANGRA was established in the first possible moment after the previous regime. On August 17, 1989, Dipl. Eng. July Armianov together with 5 partners established the firs company in Bulgaria specialized in ventilation, heating and air conditioning!
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