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The company “Tangra” is proud to announce that it has been awarded the “Golden Partner” award by Nederman

The company “Tangra” proudly announces that on 22.04.2026, during the annual event – Nederman Annual Partner Event, it was awarded the “Golden Partner” distinction by our long-standing partner Nederman. This...

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The company “Tangra” is proud to announce that it has been awarded the “Golden Partner” award by Nederman

The company “Tangra” proudly announces that on 22.04.2026, during the annual event – Nederman Annual Partner Event, it was awarded the “Golden Partner” distinction by our long-standing partner Nederman. This recognition is the result of our successful cooperation, a high...

TANGRA becomes representative of Castellex UK for CBRN air filtration and protection systems for bunkers and critical infrastructure

In a context of increasing geopolitical risks, industrial accidents and emerging threats to critical infrastructure, air protection systems are becoming increasingly important. In this context, TANGRA has become the exclusive representative of the British company Castellex Ltd.. Castellex is an...

The air handling unit selection software TANGRA AirCalc++ has been updated for 2026

The air handling unit selection software TANGRA AirCalc++ has been updated for 2026 New software version: P01.06.24 / D01.06.24 TANGRA is a specialized Bulgarian manufacturer of air handling units with more than 30 years of experience. The TANGRA AHU Modular...

TANGRA updated the series of air heaters and air coolers TANGRA BA

At the beginning of 2026, the TANGRA team updated the TANGRA BA air heaters and air coolers series. The systems for local heating and/or cooling are a well-known product of the company. The new catalogue includes: TANGRA BA-B Air heaters...

New update of the TANGRA REC Selector software

The high efficiency plate heat exchanger software TANGRA REC Selector has been updated for 2026 New software version 1.0.0.8/01.2026 TANGRA is producing air-to-air plate heat exchangers since 1993. The range TANGRA REC-HiE exchangers ensures high eﬃciency, low pressure drop and...

The American company Westinghouse conducted an audit and signed a Memorandum of Understanding with TANGRA regarding Bulgaria’s new nuclear capacities

As part of the preparations for the construction of two new AP1000® nuclear reactors in Bulgaria, representatives of Westinghouse Electric Company carried out an official visit to the headquarters and manufacturing facilities of TANGRA – AV Ltd. The purpose of...

Holiday working hours!

The team of "TANGRA-AV" Ltd. wishes you a Merry Christmas and a happy, healthy, and very successful New Year! We would like to inform you that from December 24, 2025, to January 4, 2026, the company’s team will be on...

TECHNICAL SEMINAR: Energy Efficiency and Solutions for Ventilation and Safety in Industry

TECHNICAL SEMINAR: Energy Efficiency and Solutions for Ventilation and Safety in Industry Dear Clients and Partners, The teams of TANGRA and Nederman (Sweden) would like to invite you to a technical seminar on the topic “Energy Efficiency and...

New product on the website – adiabatic evaporative cooling system COLDAIR

INDUSTRIAL ADIABATIC EVAPORATIVE COOLING SYSTEM COLDAIR evaporative coolers are designed to efficiently lower temperatures and ventilate large industrial and commercial spaces, creating a healthier and more comfortable environment while reducing cooling costs by up to 75%. Airflow rates...

new_web_site_and_software_Tangra

New Website – More Accessible and Useful for Our Partners

Dear partners and colleagues, We are pleased to inform you that as of Thursday, July 10th, 2025, TANGRA has launched its new and improved website, available at the familiar address: https://tangra.bg. The new site offers easier navigation,...

New Price List TANGRA 10.07.2025

Dear Partners and Colleagues, In connection with the decision of the European Commission and the European Parliament on July 8, 2025, regarding Bulgaria's accession to the Eurozone, all companies operating within the country are required to display their prices in...

Ivan Armianov's participation in the show Business Trend with Lyubo Getov

At the beginning of 2025, Ivan Armianov was a guest on the show Business Trend with Lyubo Getov on BG+ TV. The program addressed pressing issues such as air pollution, ventilation systems in public buildings, and energy-efficient HVAC systems that...

New series of boxes for HEPA filters – TANGRA HEPA Box

The TANGRA HEPA Box series of filter housings is designed for final air filtration in ventilation and air conditioning systems using HEPA filters of class H13 and H14 (EN 1822-1:2019). The TANGRA HEPA Box housings are made of galvanized...

The Faces of Business – NON-corporate Dialogues featuring Ivan Armianov

The video series "The Faces of Business - NON-corporate Dialogues with Leaders, Managers, and Entrepreneurs," featuring Ivan Armianov, Head of the Sales Department at "TANGRA – AV" Ltd. Family business is a religion. In 90% of family...

35 years of leadership and commitment to your comfort!

On August 17, 2024, TANGRA celebrated its 35th anniversary! Since our founding, we have tirelessly strived for excellence in the production of our ventilation and air conditioning systems. Over the years, thanks to continuous investment and the dedication of...

All-in-one solution TANGRA EVB DX with integrated reversible heat pump

Exceptionally high energy efficiency through recuperation/regeneration and integrated direct expansion (DX) heat pump module for gentle heating and cooling. Traditional systems include air handling unit and chiller or boiler and take huge amount of time for HVAC designers...

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