Air Curtains Specialist - Industrial Ventilation

We increase our range of GKH fans by including the EC centrifugal fan with backward curved blades GKH-CIB. We have redesigned the impeller for this new model, obtaining higher performance and improving the efficiency of the fan.
Contact our technical sales department for further information.




Rosenberg and Airtècnics have been supplying their products to the railway sector for years with fans for trains and also with air curtains for stations and hangars. This time, thanks to the reliability and quality of our products, a large railway manufacturer has requested Rosenberg's professionalism to install an air handling unit with ...

How does an EC motor work? The EC (electronically commutated) motor is a synchronous motor powered by an inverter with permanent magnets in an external rotor design. The stator is driven by electronic switches controlled by a microcontroller. The motor needs to be supplied with AC voltage and a DC voltage signal to operate.The mains voltage, ...

Indoor air quality is key to people health in homes, commercial premises, and tertiary buildings; especially in modern constructions, where airtightness makes natural air renewal more difficult. To meet this need, Airtècnics presents two solutions that combine energy efficiency and health: SupraBox heat recovery units and the ECFanGrid ...

The installation of an air curtain is not, on the face of it, a complex procedure. But if the manufacturer's guidelines are not followed, the result can be the opposite of efficiency, and the investment will have been a failure. The choice of model, the height at which it will be installed and even the installation company can be crucial for it ...

The American Society of Heating, Refrigerating and Air-Conditioning Engineers (ASHRAE) — an international authority based in New York City that deals with regulation of the HVAC (Heating, Ventilation and Air conditioning) industry — recently approved the installation of air curtains as an efficient alternative to vestibules for the ...

When selecting air curtains, it is not only the main variable such as door height and width that must be taken into account, but also other factors such as building and climatic conditions. Other influencing factors are:Location of the different doors on the floor, if there is more than one, how they are positioned between them: aligned, ...

Large doors and expansive spaces together represent one of the biggest challenges in air conditioning, especially when balancing energy consumption and the comfort of customers and workers. In this context, air curtains with DX technology are positioned as an ideal solution for these areas, significantly reducing energy losses when doors are ...

Rosenberg and Airtècnics have been supplying their products to the railway sector for years with fans for trains and also with air curtains for stations and hangars. This time, thanks to the reliability and quality of our products, a large railway manufacturer has requested Rosenberg's professionalism to install an air handling unit with ...

How does an EC motor work? The EC (electronically commutated) motor is a synchronous motor powered by an inverter with permanent magnets in an external rotor design. The stator is driven by electronic switches controlled by a microcontroller. The motor needs to be supplied with AC voltage and a DC voltage signal to operate.The mains voltage, ...