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The air we breathe is important for our live!
A person can live 3 weeks without food, 3 days without water, only 3 minutes without air!
Human health and productivity are closely related to the air quality. Children need fresh air, even more than adults – clean air could help avoiding illnesses and allergies.
All this leads to the conclusion that it is necessary to build mechanical ventilation in the buildings we live, work, study and spend most of our lives in.
Since its establishment, 22 years ago, [url=http://www.tangra.bg TANGRA's main activities were related to the study of air quality, study of costs for ventilation and manufacturing of energy saving equipment for ventilation, heating and cooling systems.
The processes of heating and cooling of the air and the ventilation are connected with some costs. Air exchange systems should be built, systems for heating the air in winter and cooling it in summer, should be installed, there are maintenance and last but not least energy costs. Over the last decade there has been gradual, but steady increase in energy prices.
Energy consumption costs money and often leads to environmental pollution and exhaustion of the natural resources. The negative effects of greenhouse gases, as a result of high energy consumption are becoming more and more significant.
“How can we guarantee high quality and sufficient quantity of fresh air and at the same time low energy consumption?”
The decision is very simple and well known in Europe – energy efficient ventilation system with recuperation of the energy of the exhausted air. [url=http://www.tangra.bg/
There are three preconditions for installation of heat recovery units:
-health and hygiene
Calculation the costs of different ventilation systems has determined that systems with heat recovery units are the technically and economically justified solution. The payback time is from 1 to 3 years and the main factor that determines it is yearly running time of the installation.
More than 22 years TANGRA’s focus has been developing heat recovery units. At the moment we produce a wide range of units with air flow from 300 m3/h to 45 000 m3/h. To make the selection easier, we had created software for selection of heat recovery units. It is free and you can access it without registration on our web site: [url=http://www.tangra.bg/
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The company was founded by engineer July Armianov, in 1989 and is the first Bulgarian company dealing with ventilation, air conditioning and heating equipment. Today "Tangra" has over 200 employees and a wide product range of industrial centrifugal ventilators and fan boxes, air heaters, air coolers, ventilation grilles and diffusers, heat recovery and air handling units. (More than 18 models of air diffusers in different varieties, 6 standard types with different number of models of heat recovery units, 9 standard type of air handling units, 2 models of pellets boilers and many more).
Tangra: finished key projects:
Nuclear Power Station Kozloduy I - IV block - ventilation and air conditioning;
Ministerial Council - Sofia;
Ministry of Finance - Sofia;
Production plant Coca Cola - Kostinbrod and Targovishte;
Kempinski Hotel Grand Arena ***** - Kempinski Hotel – Bansko;
"East Tower" office building "Class A";
Lufthansa Technik - service for aircraft airport;