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VDI 6022 and hygiene in ventilation systems

VDI 6022 and hygiene in ventilation systems – the engineering standard for clean air, energy efficiency, and reliable operation of air handling units and energy recovery heat exchangers In...

All blog articles

VDI 6022 and hygiene in ventilation systems

VDI 6022 and hygiene in ventilation systems – the engineering standard for clean air, energy efficiency, and reliable operation of air handling units and energy recovery heat exchangers In modern low-energy buildings, the ventilation system is no longer just...

Indoor Environmental Quality – The Hidden Factor Behind Healthy and High-Performance Buildings

Studies conducted over the past two decades¹ show that people in industrialized countries spend between 80% and 90% of their time indoors — at school, in the office, in shops, or at home. When discussing indoor environmental pollution, these studies...

Promoters of the Porsche Império Carrera Cup use the Nederman system for exhaust gas extraction in their workshop to capture the vehicle exhaust emissions.

Whenever internal combustion engine vehicles need to operate in an enclosed environment, an exhaust gas extraction system is necessary. It’s hard to notice how quickly vehicle exhaust gases can reach toxic levels in a closed hall, but it only takes minutes...

The European Parliament endorsed the 2030 guidelines in terms of energy efficiency and renewable energies

32.5% increase in energy efficiency by 2030 Renewable energy sources should be 32% of all energy consumed by 2030 Initiatives to reuse of biofuels On November 13, 2018, The European Parliament has voted on the new requirements of...

Bulgarian market leader TANGRA joins Eurovent

Europe’s HVACR industry sector association further expands its reach in Eastern Europe. Brussels, Sofia, 14 Decembre 2018. The manufacturer TANGRA – specialized in the field of ventilation, air conditioning and heating equipment – has joined the Eurovent Association as...

What are jet fans?

Jet fans, also known as impulse fans, are devices that offer an efficient and safe solution for the ventilation of underground car parks 🅿. They have significant advantages over traditional ventilation systems. Jet fan provide, together with the main...

3 reasons why businesses can no longer have an excuse for poor ventilation

Owners of shops, offices, restaurants, museums, and all kinds of other commercial establishments where people work or visit have run out of excuses for not having properly designed, installed, and maintained mechanical ventilation. Not just recirculation of stale air...

Ventilation in fitness centers and sports halls: Poor air quality can drive customers away

Have you ever entered a gym and noticed stale air and odors? Felt like leaving because of the unpleasant air? Your gym or sports club shouldn’t smell like your school’s gym after an intense basketball game or wrestling match. With...

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...

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...

The ventilation and air conditioning systems of “TANGRA” comply with the European Commission’s Ecodesign 2018 requirements

The European Parliament and the Council of Europe clearly defined the goals of the “Europe 2020” project – 20% fewer carbon emissions, a 20% share of renewable energy sources, and 20% higher energy efficiency. To achieve these results, Directive 2009/125/EC...

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...

More than 150 participants attended the EnEffect seminar on the topic of “Passive Buildings”

Perhaps there aren’t many completed projects yet, but the interest is definitely there: more than 150 guests attended the seminar “Energy-Efficient Buildings and Green Development,” organized by the Energy Efficiency Center EnEffect on December 10th at the National Palace of...

Hybrid ventilation systems – smart air handling units for schools, kindergartens and education premises

For many years mechanical and natural ventilation systems have developed separately. At the same time the demands for energy saving in mechanical ventilation are rapidly growing, forced by the shortage of resources. Respectively, this compels engineers to turn back and...

Local extraction from NEDERMAN. How to improve the working environment?! Promotional offers for the best equipment!

Nederman is a world leader in the supply and development of products and solutions for the working environment in the technology sector. As a global leader in filtration, industrial air treatment, and resource management, the company is strongly committed to...

Improving the working environment and occupational safety with the possibility of up to 100% financing!

For every successful manager or owner of a manufacturing company, one of the most important factors for development is ensuring a good working environment while simultaneously guaranteeing the safety of their employees. There are many factors that influence the...

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