Home » Archive

Articles in Ventilation

Air conditioning, Ventilation »

[3 Mar 2016 | 676 read]
Energy efficient HVAC systems for maintenance microclimate

During the second half of 2015 TANGRA completed the installations of Abrites OOD’s administrative and production building in Sofia. The production plant will be specialized in the assembling of electronic modules.

The design and building assignment involved heating, ventilation and air-conditioning systems for production section, offices and auxiliary premises. The main task of the design process was to achieve conformity with the regulatory requirements for microclimate, while maintaining the optimum capital investments/energy costs ratio.

Air conditioning, Heating, Titles, Ventilation »

[2 Mar 2016 | 1,002 read]
TANGRA Designed And Executed The ventilation, heating and air conditioning systems in the newest office building of the largest Bulgarian Bank

At the end of 2015 TANGRA’s team completed the ventilation, heating and air conditioning installations in new administrative building, located near the tunnel at the “Pencho Slaveykov” blvd. in Sofia. It is the second stage of a private investment, intended for a business building to meet the needs of “UniCredit Bulbank”. The total floor area of the two buildings is 18 500 sq.m.

The new building is multifunctional and it accommodates offices, a restaurant, a kitchen for the restaurant, a fitness centre, a commercial shop and an underground parking. The people, employed in the building and using its offices on a daily basis exceed one thousand.

The stylish new façade corresponds to the exiting building, which was completed in 2009 (stage I) and establishes a completely new appearance of the entire area. Thanks to the excellent performance and satisfying the occupant’s needs in the first stage, the specialists from TANGRA were invited to design and were awarded the contract for the implementation of the HVAC installations in the second stage of the project.

Air conditioning, Ventilation »

[15 Feb 2016 | 786 read]
TANGRA presented the new series of frequency inverters TANGRA FI

The frequency inverters are increasingly used in ventilation, air conditioning and heating. According to international studies, between 65% and 70% of electricity is consumed by building asynchroned drives on fans and pumps with constant speed.
The design of systems for ventilation, air conditioning and heating is based on the maximum occupancy of the buildings. In everyday life,
the maximum occupancy is reached in very rare cases. The use of frequency inverters allow smooth regulation of ventilation and heating systems.

Air conditioning, Ventilation »

[21 Jul 2015 | 4,487 read]
Air handling units TANGRA AHU  – guarantee for the air quality!

Modern buildings are better and better thermally insulated and the joinery (of the windows and doors) – more and more tightly closed.

Naturally the association with a thermos arises where the coffee is hot and aromatic, even after 12 hours. The only disadvantage is that we live in this thermos!

People in industrialized countries spend between 70 % and 90 % of their lives in closed premises. The lack of sufficient quantity fresh air leads to reduced working capacity, increase in allergies and diseases, especially of children and young people.

There is a solution – healthy, energy-saving and environmental!

Air handling units of TANGRA are designed to meet the needs of ventilation, heating, cooling and energy recuperation of various types and purposes public and industrial buildings. All ventilation and air conditioning units are designed on a modular basis, which facilitates their transportation and installation.

Heating, Ventilation »

[19 Jun 2015 | 1,120 read]
High efficency heating and ventilation of the canning company “Palirria” Nova Zagora

One of the projects where a good cooperation has been reached between the customer who knows what he wants, designer and performer who can do it, is a new canning enterprise “Palirriya”.

The factory is a new investment of “Palirria Bulgaria” and as a result of experience gained they were able to prepare a precise specification. One of their requirements was the recuperation (recovery) of energy from the exhausted air.

The technological process is connected with intensive discharge of heat and moisture from certain work stations. Local suction helps the air exchange to be minimized, but still the ventilated air from the general circulation ventilation is more than 24 000 m³ / h.

Air conditioning, Ventilation »

[1 Jun 2015 | 1,003 read]
Air Conditioning and ventilation systems of Hall 272  in the Law Faculty of Sofia University “St. Kliment Ohridski”

Hall 272 at Sofia University became “oddly” popular during the student occupation in autumn of 2013. Actually, it is the largest lecture hall in Alma Mater, with a capacity of 715 seats. The student exams hold in it, the rectors select there and the future lawyers of Bulgaria prepare.

Useful in building installations, Ventilation »

[28 May 2015 | 19,870 read]
What is an air curtain and what are its advantages?

When we were children, we thought: when we be led in TZUM (Central Department Store) to play with the air at the entrance. If you’re wondering what I’m talking about – I am speaking for air curtains in the antechambers of the store.

Air conditioning, News, Ventilation »

[19 May 2015 | 1,395 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, Ventilation »

[18 May 2015 | 1,280 read]
“TANGRA” performed ventilation, air conditioning and heating installations in a factory for the production of LED lighting and printed circuit boards.

At the end of 2014 the company “TANGRA” completed ventilation and air conditioning systems in the factory for production of Light Emitting Diode (LED) lighting and electronic circuits printed boards of the company “Intelligent Systems of Security” Ltd.

Air conditioning, News, Titles, Ventilation »

[9 Apr 2015 | 19,997 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 …