Comfort domestic ventilation system
CWL-T Excellent 300

Comfort domestic ventilation system with heat recovery
Model / Performance
  • CWL-T-300
  • Key Facts
  • Specification
  • Downloads
  • The comfort mechanical ventilation system from Wolf provides convenient, energy saving ventilation all year round.
  • Suitable for apartments, detached houses and apartment buildings as well as offices.
  • Using the cross- and countercurrent heat exchanger, heat is withdrawn from the extract air and transferred to the fresh supply air.
  • Compact design, for floorstanding installation
  • Clean, pollen-free fresh air – ventilation with your windows closed, cutting out street noise (not only beneficial for those suffering from allergies)
  • Removable plastic cross- and countercurrent plate heat exchanger
  • Heat recovery up to 95 %
  • Bypass as standard
  • Automatic frost protection control
  • Constant flow fans
  • Low energy consumption due to DC fans
  • Trap included
  • Electric preheating coil 1000 W integrated in unit
  • Category G4 filter; F7 as optional accessory
  • Unit fully wired.
  • Filter change requirement indicated on the programming unit or 4-step switch
  • DIBt approval and passive house certificate applied for
  • Hydraulic reheating coil (optional)
  • Note: BM-2 required for operation
technical drawing
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Comfort domestic ventilation system CWL-T Excellent 300
Type CWL CWL-T-300 Excellent

General data

Energy efficiency class A
Max. air handling rate at 150 Pa m³/h 300
Max. heat provision efficiency % 93
Duct connection diameter D mm 160
Filter category G4 (F7 as accessory)
Power factor Cos φ 0,32 - 0,43
Power consumption W 10 - 164
Power consumption W 86
(without preheating coil) at 225m³/h and 100 Pa)
IP rating IP 20
Electrical connection 230 V / 50 Hz


Height A mm 1287.5
Width B mm 475
Depth C mm 585


Weight kg 50
Comfort domestic ventilation system CWL-T Excellent 300