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Days of Nederman at Tangra

We are launching a series of events under the motto "Open Doors Days" with the initiative "Nederman Days at Tangra". Over the course of four days, you will have the opportunity to get acquainted with the products of the Swedish...

The air conditioner turns 110 years old!

Although the air conditioner has become very popular in Bulgaria only in the last 10–15 years, its history began at the beginning of the last century in distant America. Its „father” is Willis Carrier, who created the prototype...

Presentation of our new technical catalog!

On April 28, 2011, in Hall 8 of the National Palace of Culture (NDK), the presentation of our new TANGRA Technical Catalog 2011 took place. Colleagues and friends became acquainted with the latest developments in our production and with some...

How to choose a bathroom fan?

Certainly, if you have recently renovated or are about to do so, you have encountered the problem of ventilating your bathroom. Ventilation is necessary not only to provide fresh air but also to remove the steam generated during bathing,...

Biomass Heating – An Interview with Eng. Plamen Zhelyazkov

Traditions in the field of energy efficiency and the development of innovative products for ventilation, heating, and air conditioning have a history of over 20 years at „Tangra”. The manager of the company of „Tangra”, Eng. July Armianov, is...

5 reasons to use Nederman in your service workshop

We will give you a few reasons why you should choose Nederman in your service workshop! Less wear – The main reasons for the wear of hoses and cables are the mechanical damages. Left on the floor, they are often...

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. Beside the many rational and efficiency solutions that have been developed, some very exotic ideas...

HVAC Terminology Glossary – Part 1

Terms and abbreviations used in the field of heating, ventilation, and air conditioning. BGS – domestic hot water; Fossil fuels – a natural product from which, during refining, the fuels commonly used today are obtained – natural gas,...

Our products are successfully sold in over 10 European countries

Mr. Armianov, Tangra is a company well-known on the Bulgarian market, which recently celebrated its 22nd anniversary. What qualities make it a preferred partner? Quality, price, and delivery time are the main criteria for evaluating any product or service. This...

TANGRA participated and presented pellet boilers and floor convectors at the Plovdiv International Technical Fair 2011

During the autumn „Plovdiv International Technical Fair” 2011, the new TANGRA CL 35 pellet boiler was shown for the first time, attracting great interest. The reason for this is its better price and certain features of the device, which are...

Fans for parking lots and tunnels – Jet fans

Impulse Jet fans are the modern solution for the construction of ventilation and smoke-extraction systems in large enclosed parking lots and tunnels with significant length or heavy traffic. The trend over the past 5 years shows that these fans are...

TANGRA became a member of BAFHVKI

On June 4, 2012, following a meeting of the Management Board of BAFHVKI, TANGRA-AV Ltd. was accepted as a member of the Bulgarian Association of Companies for Hygiene in Ventilation and Air Conditioning Installations. BAFHVKI was established in 2010....

New financing opportunities under the "Energy Efficiency and Green Economy" program

On May 14, 2012, a new European program, "Energy Efficiency and Green Economy", was launched. The program is aimed at implementing sustainable energy solutions in small and medium-sized enterprises. They can apply for projects related to energy efficiency and renewable...

Hitachi Yutaki – inverter heat pump at a reasonable price

The inverter heat pumps are highly efficient and ecological systems for production of heating and domestic hot water. They use a refrigerant cycle to transform the low-potential energy of the outdoor air into high-potential energy for water heating. In the...

The work of the HVAC designer is crucial for the energy efficiency of buildings.

The role of the design engineer is crucial in the creation and implementation of every stage of the construction-investment process – plumbing, electrical, HVAC installations, etc., which directly affect the energy consumption of building systems, the energy efficiency of the...

Company Tangra became a member of the European organization REHVA.

On July 7, 2011, Tangra Ltd. became the first Bulgarian company to be accepted as a supporting member of REHVA, the European Association for Heating, Ventilation, and Air Conditioning. The REHVA association was established in 1963 and is the...

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