The Flux+ Wall means the energy-efficient D ventilation system is also available for flow rates up to 650m³/h. You can rely on low consumption, elevated and healthy living comfort, and minimal effort. The demand-driven operation does the work for you. With its patented ventilator design, the units are the most energy efficient on the market, with savings of up to 30%. Not only does the unit operate on low power, it is also very quiet. Flux Wall was designed with installers in mind: saving time thanks to quick and easy installation and start-up, and also making maintenance and service straightforward