TANGRA's News

Feb 19
Feb 8

Energy efficiency – High efficiency heat recovery ventilation and solutions for the common problems of engineers and architects

  • February 8, 2013

On 06.02.2012г. “TANGRA”, together with the Chamber of architects in Bulgaria-RK Sofia and the Chamber of engineers in the investment design, gathered colleagues from the two branches on presentation about ”Energy efficiency – High efficiency heat recovery ventilation”. There were more then 120 architects and engineers on the event.

Jan 24

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