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Alnor knowledge base

Brief - STRUT support system

2016-06-27Brief - STRUT support system

Easy, quick and precise installation of ducts even in hard to reach places is the main advantage of the STRUT support system. The available selection of mounting accessories make for a fully professional fixing system.

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PWQ-R channel – for fast duct joining in hard to reach spots

2016-06-27PWQ-R channel – for fast duct joining in hard to reach spots

The PWQ-R slide channel is used for joining rectangular ducts. A channel of particular length is slid on PQ-20 or PQ-30 duct frame profiles. Bent edges provide an easy way to slide and hammer the channel. SAVE time and room!

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What is ErP 2015?

2016-04-06What is ErP 2015?

ErP, that is, ”Energy related Products” means products related to energy. In order to accomplish the objectives of the EU Climate and Energy Package the EuP directive - “Energy-Using Products” was issued in 2005, which was thereafter replaced by the ErP directive in 2009.

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Axial and in-line fans

2016-02-01Axial and in-line fans

Fans can be divided in several ways: by place of installation, e.g.: in line, wall mounted, ceiling mounted; by application, e.g. for kitchen canopies, chemical resistant, desmoking; by fan construction, e.g.: axial, radial. The present article will present the most important features of in-line duct fans as well as axial, wall mounted fans.

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Enthalpy- facts & myths

2015-10-26Enthalpy- facts & myths

Would You like to know the difference between the standard heat exchanger and enthalpy exchanger? Is moisture recovery new trend word or does it really matter? Read our article to get the answer to these and more questions!

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How can You install heat recovery unit in the ready-built house?

2015-10-22How can You install heat recovery unit in the ready-built house?

We have a solution! Our new heat recovery unit HRU-WALL is easy and quick to install. You don't have to hire renovation time, You can easily do it Yourself, just follow instructions manual.

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Electric round duct heaters

2015-05-25Electric round duct heaters

HDE and HDE-CO circular duct electric heaters are intended for installation in ventilation systems where it is necessary to raise the temperature of supply air or to maintain it at a constant level. They are designed to work with the duct fans. HDE and HDE-CO circular duct electric heaters can be used to heat air in shops, offices, homes, workshops, garages, warehouses, production halls, etc.

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Roof fans

2015-02-26Roof fans

Most often roof fans constitute elements of mechanical ventilation systems or support natural ventilation. Their function is to discharge the appropriate quantities of contaminated air from rooms in order to keep its quality at the right level.

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Ventilation system made of copper

2014-11-28Ventilation system made of copper

Ventilation system made of copper is a guarantee of aesthetics, durability and low cost of operation. Such an installation, apart from its unique style and colour, is also very durable. It does not undergo corrosion; moreover, it is resistant to changes in atmospheric conditions and air pressure in the installation.

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RAVAV flow regulator


2014-09-12RAVAV flow regulator


In the age of energy saving buildings and innovative solutions, new developments are made for mechanical ventilation systems as well. One of such solutions is the variable air volume control which has gained popularity in the recent years even on the Polish market. The major advantage of this solution is the lower amount on energy spent on pretreating the intake air to meet the required parameters.

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