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Machine building in Bulgaria. TANGRA is expanding on new markets.” Interview for Capital newspaper with Dipl. Eng. July Armianov, owner of TANGRA and member of the board of Bulgarian Chamber of Machine Building

Paris, 1998. International Exhibition on Heating, Ventilation and Air-Conditioning. “An exhibitor at the stall of a Belgian company noticed my interest and asked: “Sir, do you know...

Air handling units TANGRA AHU – guarantee for the air quality!

Modern buildings are better and better thermally insulated and the joinery (of the windows and doors) - more and more tightly closed. Naturally the association with a thermos arise...

Air Conditioning and ventilation systems of Hall 272 in the Law Faculty of Sofia University “St. Kliment Ohridski”

Hall 272 at Sofia University became "oddly" popular during the student occupation in autumn of 2013. Actually, it is the largest lecture hall in Alma Mater, with a capacity of 715 ...

Ventilation, air conditioning and technological installations in wineries and wine cellars

TANGRA presents its know-how in the implementation of HVAC installations in wineries, based on its long experience in building ventilation, air conditioning and heating systems in ...

“TANGRA” performed ventilation, air conditioning and heating installations in a factory for the production of LED lighting and printed circuit boards.

At the end of 2014 the company "TANGRA" completed ventilation and air conditioning systems in the factory for production of Light Emitting Diode (LED) lighting and electronic circu...

Air handling units AHU DEX S/M – a guarantee for high energy efficiency and air quality

Nowadays people spend most of their lives indoors. Each of us wants to live in a high quality environment that means better food, fresh water and clean air. TANGRA has specialized ...

Analysis of the possibilities for energy recovery through recuperation in the ventilation and air conditioning systems.

It seems the discussion for the necessity of energy recovery systems is over not only in Western and Northern European countries, but also in Bulgaria. For the people who made seri...