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The FESP electrostatic filter is a new product from Alnor, designed for effective air purification in heat recovery systems. Thanks to its two-stage filtration technology, it removes over 95% of pollutants, including ePM1, ePM2.5 and ePM10 dust, providing high protection against smog. The steel pre-filter traps larger particles, while the advanced electrostatic filter with ionisation guarantees excellent efficiency with low flow resistance and minimal energy consumption. The device is maintenance-free, does not require cartridge replacement and can be cleaned with water. Its compact, insulated housing and high level of safety make the FESP filter the ideal solution for domestic mechanical ventilation.

The device is designed for domestic heat recovery systems:

• compact, thermally insulated housing,
• very low flow resistance,
• minimal energy consumption.

HRQ-4ZONE – a modern ventilation zoning system that is a natural evolution of the HRQ-2ZONE model. This solution is designed to meet the needs of energy-efficient and smart homes.

Key features and benefits of the HRQ-4ZONE system:

• Four independent ventilation zones – the ability to control up to eight anemostats in rooms using two HRQ-4ZONE-Connection-Box modules.
• Flexible configuration – when using a single module, the system operates in dual-zone mode, like the classic HRQ-2ZONE.
• Wireless communication – connection to the heat recovery unit and CO₂ sensors without the need for additional cabling.
• Automatic air flow control – supply and exhaust valves with precise control (accuracy up to 1 m³/h) adjust the ventilation intensity to current needs.
• Intelligent energy management – the system automatically limits the flow in unused rooms, reducing energy consumption.
• CO₂ sensors play a key role – they monitor air quality and the presence of users, allowing the system to dynamically adjust ventilation performance.
• Compatibility and expansion – the HRQ-4ZONE can be combined with the HRQ-2ZONE, which increases the flexibility of the system.
• Full compatibility with Alnor recuperators equipped with wireless automation and the Constant Flow module.

The HRQ-4ZONE system is another step towards intelligent, energy-efficient and comfortable ventilation in residential buildings.

TeachAIR is an advanced ventilation system with heat and moisture recovery, high-efficiency particulate filters and a carbon filter that reduces NOx and gaseous pollutants. Designed to ensure a comfortable microclimate in educational facilities, including classrooms, at the lowest operating costs.

The device guarantees a capacity of 700 or 900 m³/h, which allows for effective ventilation of rooms for up to 30 students, in accordance with the minimum requirement of 30 m³/h per person.

Fresh air can be supplied at low speed and low turbulence through an active carbon displacement diffuser, which effectively neutralises odours and provides effective prevention of droplet infections by separating exhaled air outside the occupied zone.
An advanced algorithm manages the operation of the device based on CO2 concentration and the set parameters of thermal comfort, ensuring optimal conditions in the classroom throughout the day. The aesthetic and functional housing effectively dampens sounds without disrupting the teaching process.

The device has an advanced air filtration system based on an electrostatic filter. The use of an electrostatic filter on the air intake allows contaminants to be trapped.

The cooling/heating unit integrated into the system ensures thermal comfort regardless of external conditions, while the use of an air recirculator ensures effective air exchange, thermal comfort and energy savings.

Thanks to access to the AIR Alnor cloud system, it is possible to centrally manage multiple units in a single facility (e.g., an entire school), which significantly simplifies operation and increases the energy efficiency of the building. Additionally, TeachAIR can be integrated with Loxone's SmartHOME solution, which allows for the synchronization of multiple devices in a facility, increasing the level of automation and user comfort.