Duplex Inter - next-generation ventilation in schools
DUPLEX 850 Inter indoor ventilation units are designed for balanced ventilation of school classrooms, open-plan offices, premises, restaurants, shops and other places where the units must be installed directly in residential areas and the noise level must be as low as possible. These units are distinguished by high heat recovery efficiency, very low noise level and low power consumption.
Patented DUPLEX Inter
Choices
Optionally, the units can be delivered with 18 mm thick laminate panels with 3 plywood design options (separate accessory, installed on site). The inlet and outlet openings are round. An intermediate frame made of anti-vibration rubber is installed at the bottom of the unit. Air intake and exhaust ducts, automatic closing dampers, duct covers made of 30 mm acoustic multilayer board or laminated board can be ordered additionally, as well as non-standard sizes (made to order). Exhaust outlet transition connectors can be selected, for connecting 280 mm ducts. The air intake openings in the external wall are 2× ø 300 in diameter. They are made by drilling through the cavity from the inside, cooling with water and vacuuming (e.g. Hilti 230 V; 3,6 kW, 16 A).
Get the most suitable heat recovery ventilation system offer for your class
Why is it necessary to install a ventilation system in a classroom?
Does not cause distracting noise
The very low noise level allows installation directly in learning spaces (LpA less than 30 dB(A)). Highly efficient bi-directional fans create barely noticeable air circulation. The internal hoods are designed to accommodate additional sound-proofing components. The ventilation systems maintain a quiet atmosphere and continuously supply fresh air even when the windows are closed. All internal covers have a closing function, and additional components and systems can provide effective sound insulation, e.g. in schools near busy streets.
Protects people with pollen allergies
Nowadays, when more and more people suffer from allergies, it is especially important to maintain clean air in rooms where you spend a lot of time. With the help of a recuperator, you will not have to ventilate the rooms by opening the windows, so you will protect your rooms from pollen.
Ventilation systems can provide heat recovery rates of up to 91%.
Ventilation systems can provide up to 91% heat recovery, effectively reducing heating and energy costs. At the same time, modern bidirectional fans consume only 1-3 watts of energy. The uninterrupted supply of fresh air remains economical, without energy loss through the ventilation window.
Compatibility with European Union standards
– The shell properties meet the requirements of EN1886.
– EC motors comply with ErP 2015 requirements. 3– SFP within 0,27 ÷ 0,37 W/m /h according to passive house requirements.
– Hygiene requirements according to VDI 6022. – Complies with the requirements of Commission Regulation (EU) No. 1253/2014 (Ecodesign).
No high installation costs required
Ventilation systems can be adapted to any project, whether it is a new building, reconstruction or renovation. Our ventilation systems meet the legal requirements for the necessary minimum air circulation according to EnEV 2014 Chapter 6 Section 2. No ducts or pipes are required. Atrea Duplex products are installed in an opening made in the exterior wall. With our ventilation systems, renovation work can be implemented step by step.
How will this help the student?
Properly ventilating classrooms reduces fatigue among students, pupils, and teachers, increases receptivity to information, and reduces the spread of viruses and bacteria in well-ventilated rooms.
Perfectly adaptable to the interior
Whether it's construction, renovation or individual classroom ventilation, Atrea Duplex decentralized ventilation systems adapt to all functional and design requirements. As a leading supplier of ventilation systems, we can offer individual design solutions that meet our customers' needs.
Quick installation
– Ductless system, no pipes required.
– Very easy to install, no drawings or HVAC specialists or electrical wiring required.
– There is no need to install a complex condensate drainage system.
– When the unit is installed far from a perimeter wall with windows, duct noise attenuators for the facade can be installed.
– Flexible electrical connections, connecting to existing power points (16A).
Represented brands in the Baltic States
