„Energy Efficiency Through Ventilation, Air Conditioning, and Local Extraction Systems 2023“ TANGRA has been organizing the annual event “Energy Efficiency through Ventilation, Air Conditioning, and Local Extraction Systems” since 2012. In the past three years, the seminars were postponed due...

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Several international studies show that the time a modern individual spends indoors ranges from 70% to 90% of their life. Whether at home, at the workplace, in the store where we shop, in a restaurant or coffee, at a cinema...

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  Studies show that modern world people spend between 70% and 90% of their time indoors, in buildings. It’s easy for anyone to assume they are safe when they are in their homes or offices. However, we open windows to...

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Dear Partners and Colleagues, The team of “TANGRA” wishes you Merry Christmas, happy, healthy and prosperous New Year! Please, be informed that the working hours of our sales offices will be as follows     22.12.2022 : until 13:30 23.12.2022...

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Before the Covid-19 pandemic, many companies, including Bulgarian, had built and published corporate social responsibility (CSR). For lot of people, it was an impeccable way to protect their brand reputation and trade mark through acts of kindness and social care....

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