The central point for increased air quality.

The ZL 275 HF is a central domestic ventilation system with heat recovery for controlled ventilation and aeration of apartments and apartment buildings up to 180 sqm. The unit can do everything that sets the ZL series apart. From intelligent functions to the high operating comfort. The ventilation system is especially effective in combination with the GDTS air distribution system Air 56.

• Extremely flat and lightweight design with integrated air manifold.
• Targeted and controlled aeration and ventilation of apartments and apartment buildings. For a healthy and pleasant indoor air at any time of year.
• Integrated fireplace function guarantees the volume flow balance and enables simultaneous operation with a fireplace.
• Extremely efficient. Integrated heat exchanger uses the heat from the exhaust air to warm the fresh supply air.
• Lasting comfort: Quiet fans, low maintenance requirements, an attractive service-package with extended warranty.
• Guaranteed hygienic – also suitable for allergy sufferers. Effective pollen protection thanks to the high filter quality.
• User-friendly control. Many functions can be selected via plain text menu.