TANGRA company has won the contest and has already started the construction of the ventilation systems of the first skyscraper in Sofia - Capital Fort- 126 m high and with area of 80 000 sq.m.

All pellet boilers TANGRA are specially designed for heating and domestic hot water supply of family houses, offices and small apartment buildings. They are fully automated and easy to maintain.

Range of in-line duct fan, specially designed for the extraction of potentially hazardous and explosive gases.

TANGRA was a partner of a Bulgarian newspaper Capital for a forum on Energy Efficiency and Renewable Energy