Air Curtains Specialist - Industrial Ventilation
Our laminar flow absolute filtration units Dif-Vent, intended to avoid the external pollution and increase the class of a certain area as it could be a clean room, have been redesigned and now incorporate fans with EC motors.
These types of motors are up to 70% more efficient and allow speed regulation by 0-10V signal.
With these improvements, Dif-Vent filtration units comply with the requirements of the Energy Efficiency European Directive, Erp 2015.


Air purification is an important requirement in many sectors; and it becomes important in others because of the importance of indoor air quality, which has gained strength in the last time. Airtècnics presents the new air purifier for false ceiling with three filtration stages, one of them absolute, which purifies the air in a closed ...

Filter stages are indispensable in ventilation equipment. They protect the equipment from external agents that may affect it or are used to prevent contaminants from entering through the ventilation ducts in places that must be sterile (operating theatres, clean rooms, etc.). Let's take a look at the types, the rules that govern them and their ...

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, ...

Airtècnics air curtains land in the Portuguese capital with a recessed air curtain model: Recessed Dam air curtain. Airtècnics' distributor in Lisbon, Totalair, has achieved this project in a Swedish fashion chain through a maintenance company. The establishment, with wide doors that remain open, needed a barrier-free system that ...

Air curtains have gone from being just another element of the construction to become a decorative complement perfectly integrated in the interior design of the buildings, with all the advantages of energy saving that installing this type of devices in the accesses of the buildings entails. For Airtècnics it is essential to offer the best ...

The best solution to maintain indoor temperature and air quality conditions without being affected by incoming external air and pollution is air curtains. Their correct installation maximizes the equipment’s efficiency and extends its lifespan. At Airtècnics, we want to provide you with key details to ensure that your air curtain ...

Given the importance of environmental protection and the need to save energy, one of the many demands in ventilation projects is the replacement of the large belt-driven fans. The air handling unit is completed with new EC Fan Grid fans, which form a grid of smaller fans, but with the same flow rate. The main advantage of having EC Fan ...

Air purification is an important requirement in many sectors; and it becomes important in others because of the importance of indoor air quality, which has gained strength in the last time. Airtècnics presents the new air purifier for false ceiling with three filtration stages, one of them absolute, which purifies the air in a closed ...

Filter stages are indispensable in ventilation equipment. They protect the equipment from external agents that may affect it or are used to prevent contaminants from entering through the ventilation ducts in places that must be sterile (operating theatres, clean rooms, etc.). Let's take a look at the types, the rules that govern them and their ...