GDTS Products ZL 300 VF image

ZL 300 VF.

Central domestic ventilation unit with
heat recovery for up to 200 sqm.

Control a comfortable room climate centrally.

This central ventilation unit with heat recovery is perfect for controlled domestic ventilation over an area of up to 200 sqm. This means that newly built single family homes and terrace houses can be ventilated and aired intelligently without having to open windows. The intelligent functions help to prevent mould formation and thus make a valuable contribution to maintaining the building structure. The ventilation system is especially effective in combination with the GDTS air distribution system Air 56.

  • Ventilation unit for wall mounting.
  • 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.
  • Perfect interplay with the GDTS Air 56 air manifold system.

Technical data.

Air volume flow: 90/160/250 m³/h


Energy efficiency category*: A/B


Degree of heat recovery: max. 95 %


Heat supply rate: max. 92 %


Air filter class: M5


Dimensions (W x H x D): 750 x 725 x 469 mm


Air duct connection
(passive-house compatible components): 4x DN 160


*Range of energy efficiency category from A+ to G

Important documents for:

All series models:

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