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[28 Apr 2016 | 663 read]
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 what this is?”. I replied: “Yes, I do. We have been producing heat exchangers like these in Bulgaria for 10 years”. A little anxious, the exhibitor asked: “Excuse me, sir, where is Bulgaria?”.

Air conditioning, News, Ventilation »

[19 May 2015 | 1,260 read]
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 various industries. Each project has its own requirements regarding maintenance of microclimate parameters throughout the whole production process.

Air conditioning, News, Titles, Ventilation »

[9 Apr 2015 | 19,859 read]
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 more than 25 years in development and implementation of ventilation and air conditioning systems.

Since 1994 we produce our own range of plate heat exchangers and we build them in the range of heat recovery ventilation units.

This was the dawn of these systems in Europe and today they are accepted as standard worldwide. Our series of heat recovery units …

Heating, News »

[1 Sep 2014 | 19,881 read]
TANGRA presents a new video about the pellet boiler TANGRA HP 30

The autumn has already arrived. Everyone start to think for the cold days and the winter holiday. But cold winter months are prerequisite for finding the right solution for heating of your home. There are different solutions with all their positive and negative aspects. Central heating, electricity and heating oil, as well as natural gas are with continuous price growth. On the other hand conveyance and refueling of boiler with woods and coals requires serious physical efforts and time. That is why we would like to present you the pellet boilers TANGRA HP 30.

Pellets are cheap, ecologically clean and renewable energy source. They are produced of wood waste biomass without use of additional adhesive or substances. This allows their incineration in automatic pellet burners with high efficiency and minimum quantity of ashes remaining.

News »

[1 Sep 2014 | 884 read]
„TANGRA” celebrates its 25th anniversary

On August 17th, 2014, “TANGRA” celebrated 25 years from its founding. The company is specialized in the designing, construction, production, installation and servicing of ventilation, air conditioning and heating equipment.

On March 1st, 1989, Act 56 was issued and private business was legalized in Bulgaria. Dipl. Eng. July Armianov invited his closest friends for partners and on August 17th, with the decision of the Sofia Council Court, the company “TANGRA” was founded.

The name was particularly chosen as a successor of Dipl. Eng. Armianov’s father’s company “TANGRA – Lazar Armianov” …

Heating, News »

[23 Jul 2014 | 785 read]
„TANGRA” presented video of the wood pellet boilers TANGRA CL 80

In the season of summer holidays, many building owners prepare or do renovation to prepare for the winter months.

TANGRA present solution for heating of small apartment buildings, offices, auto services, sport halls, hotels and restaurants, public buildings and schools. Pellet boilers TANGRA are designed not only for heating, but also for domestic hot water supply.

Air conditioning, News, Ventilation »

[21 Jul 2014 | 1,888 read]
TANGRA built the ventilation and air conditioning systems of the new Russian restaurant Druzya

In May 2014 was opened the newest restaurant in Sofia – Druzya. The complex is situated on two floors, where are placed two wide restaurant halls, a playground and a terrace. The restaurant offers both traditional Russian and European kitchen.

Air conditioning, Energy Saving, Heating, News, Ventilation »

[24 Jun 2014 | 20,333 read]
Energy Efficiency through Ventilation, Heating and Air conditioning systems

On June 18th, 2014 a seminar was held in the headquarters of “TANGRA” focusing on “Energy Efficiency through ventilation, heating and air conditioning systems”. More than 80 engineers and specialists in the field of HVAC attended the event.

The presentation began with an overview of the policies and norms of the European Union and Bulgaria that target energy consumption reductions. Dipl. Eng. July Armianov, owner and general manager of TANGRA, presented the legal requirements for mechanical ventilation installations in buildings within the European Union, UK and USA. After demonstrating best practice …

Energy Saving, News, Ventilation »

[20 Jun 2014 | 19,527 read]
The first certified passive kinder garden equipped with high efficient ventilation system TANGRA

In 2013 in Gabrovo was build the first “nearly zero energy” kinder garden in Bulgaria.
According to the European directive 2010/31/EU on energy performance of buildings and the Energy efficiency Act Bulgarian municipalities have to increase the energy efficiency, to reduce the CO2 emissions, and also to raise the share of energy consumption produced from renewable sources. A renovation of the existing buildings and low energy consumption of the new ones are part of the prescriptions. In the town of Gabrovo those are not only words and intentions, but reality. The …

News »

[6 Jun 2014 | 616 read]
Energy efficiency – good decisions to common problems

On June 18 in the office of TANGRA will take place a special event entitled “Energy efficiency. Innovations in HVAC systems”.
This event is dedicated not only to engineers and HVAC specialists, but also to builders and investors.
The topics of the discussion are related to increasing of the energy efficiency, Europe 2020 and heat recovery units for nZero energy buildings. The TANGRA team will show also the new version of the selection software for heat exchangers and heat recovery units. Hygienic air handling units and air handling units with heat pump …