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[4 Feb 2015 | 1,990 read]
Analysis of the possibilities for energy recovery through recuperation in the ventilation and air conditioning systems.

It seems the discussion for the necessity of energy recovery systems is over not only in Western and Northern European countries, but also in Bulgaria. For the people who made serious effort for convincing and proposing legislative changes in the last 20 years, it is a real success. Today it is rare to see a ventilation or air conditioning project without energy recovery (recuperation or regeneration).

The economic pressure (rise of energy prices) surpassed the legal regulations. Designers and investors reacted more adequately than the legislators.

The next important step is the choice of the right energy recovery system. The right choice means a cost-effective choice that doesn’t compromise the microclimate.

Air conditioning, News, Ventilation »

[21 Jul 2014 | 2,680 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.

Energy Saving, Heating, News, Ventilation »

[22 Jul 2013 | 20,533 read]
Eliturbo – air mixer, differing from the traditional destratifiers

Well-known physic’s phenomenon is the distribution of hot air in the upper parts of the large premises. It leads to higher energy costs and heat loss. Air mixer Eliturbo is the perfect solution of the problem because it is able to even vertically and horizontally the air temperature, to even the humidity in large environments and to reduce the costs of heating till 30%.

Energy Saving, News, Ventilation »

[21 Sep 2012 | 1,111 read]
“Energy efficiency in ventilation, air conditioning and heating systems” – an interview with Eng. July Armianov (interview for newspaper “Stroitelstvo Gradat”)

The rumors for energy efficiency in the systems for ventilation, heating and air conditioning started after the energy crises from 1973. Since that time, the interest in heat recovery and energy saving ventilation systems follow the increasing slope of energy prices.

Energy Saving, News, Specials, Useful in building installations, Ventilation »

[19 Sep 2012 | 1,390 read]
Energy saving ventilation systems (Mechanical Heat Recovery Ventilation) guarantee repayment between 1.5 and 2 years.

Dipl. Eng. Armianov, what are the tendencies in Europe and all over the world in development of energy efficient ventilation systems, mechanical heat recovery ventilation?

Energy Saving, News, Specials, Useful in building installations, Ventilation »

[11 Jun 2012 | 1,429 read]
The tendencies for increasing energy efficiency in HVAC systems

The energy efficiency in the systems for heating, ventilation and air conditioning became interesting and started to be developed after the energy crisis in 1973.