Comfo Air Flex, In pantry, ceiling installation
Comfo Air Flex, front view, with background
Comfortable indoor ventilation

Zehnder Comfo Air Flex

  • Multiple installation options
  • Space saving design
  • Energy efficient

Zehnder ComfoAir Flex is a ventilation unit that has been specially developed for apartments and smaller homes, where living space is a valuable resource and needs to be wisely planned. The compact design fits seamlessly in suspended ceilings without sacrificing outstanding performance. Zehnder ComfoAir Flex is equipped with the quietest fan technology on the market and reduces noise levels to a minimum even during full operation. A custom-made heat exchanger and scroll housing ensure a high level of heat recovery while keeping energy consumption low and efficient.

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Fokus benefits

Multiple installation options

Four turnable bends, adjustable mounting brackets and left and right orientation options make Zehnder ComfoAir Flex a versatile allrounder for flexible ceiling installation.

Comfo Air Flex, perspective view, with Shadow

Our roomster for confined spaces

Zehnder ComfoAir Flex is specially designed to save precious living space. With 1068 x 868 x 299 mm (L x W x H) the compact unit is a perfect fit for any apartment.

Comfo Air Flex, In pantry, ceiling installation

Energy efficient powerhouse

Clever fan technology optimizes the air flow and lowers noise levels of Zehnder ComfoAir Flex drastically. Flow control technology balances the air streams for maximum energy efficiency.

Further reasons

  • Make the best of all seasons – Climate Switch technology prevents overheating in summer and leverages heat recovery in winter for the best automatically adjusted indoor climate all year round.
  • Every breath you take - our enhanced filter concept prevents even smallest particles from entering your home. You will only breath in fresh pristine air.
  • Take control – the built-in WIFI connection enables you to control all functions of the unit via  Zehnder ComfoControl app.
  • Bye, bye dry air – the Zehnder enthalpy exchanger recovers humidity transforming your home into an oasis 
  • of wellbeing. 
  • Quick and easy – Thanks to our commission wizard with step-by-step guidance commissioning has never been that easy. 
The unit fits right into my hallway closet and provides my apartment with fresh clean air; the mould is gone. I sleep much better and feel invigorated.”

Carl Applegate about Zehnder ComfoAir Flex - London, England, November 2020

Product moduls/versions/articles

FAQ

You will receive a ping through your Zehnder ComfoControl app to change the filter. Due to intelligent warning indicators not only elapsed time is measured, but also air volume transported.

You will receive a ping through your Zehnder ComfoControl app to change the filter. Due to intelligent warning indicators not only elapsed time is measured, but also air volume transported.

You will receive a ping through your Zehnder ComfoControl app to change the filter. Due to intelligent warning indicators not only elapsed time is measured, but also air volume transported.

Climate Switch Technology
Automatically adjusted indoor climate all year round
Find out more about heat and cold recovery

Technical specification

You will receive a ping through your Zehnder ComfoControl app to change the filter. Due to intelligent warning indicators not only elapsed time is measured, but also air volume transported.

You will receive a ping through your Zehnder ComfoControl app to change the filter. Due to intelligent warning indicators not only elapsed time is measured, but also air volume transported.

Zehnder ComfoAir Flex 250  
Max Air volume 250 m3/h
Temprerature range -20 °C to + 50 °C during transport and storage -15 °C to + 50 °C moved air +7 °C to + 40 °C in the installation room
Max Power consumption 114 W (without preheater)
Current draw 0.92 A
Specification fan power 0.25Wh/m³
Protection Class IP20
Iso-classification B

Downloads

Product
Sorting
Zehnder_CSY_ComfoRoof-MX-building-management-system-BMS_INM_UK-en
Manual Zehnder ComfoRoof MX Building Management System (BMS)
Zehnder_CSY_ComfoDuct-Activo-S60-Controller_INM-DE-en-fr-it-EU-Version
Zehnder ComfoDuct Activo S 60 Controller - Installation Manual
Zehnder_CSY_ComfoDuct-Activo-S60_INM-DE-en-fr-it-EU-Version
Zehnder ComfoDuct Activo S 60 - Installation Manual
Zehnder_CSY_ComfoDuct-Activo-S60_INM-DE-en-fr-it
Zehnder ComfoDuct Activo S 60 - Installation Manual
Zehnder_CSY_ComfoVar-Aero_MOI_NL-EN-DE-FR-IT
Installation und Wartung Zehnder ComfoVar Aero
Zehnder_CSY_Fire-Sleeves_DAS_UK-en
Zehnder Fire sleeves product data sheet
Zehnder_CSY_Fire-Collars_DAS_UK-en
Product data sheet Zehnder Fire collars
Zehnder_CSY_ComfoAir-350_DAS_UK-en
Product data sheet Zehnder ComfoAir 350
Zehnder_CSY_ComfoAir-200_DAS_UK-en
Product data sheet Zehnder ComfoAir 200
TEST-TEST-Zehnder_CSY_ComfoAir-Q-Austausch-Platine_INM_DE-de
Austauschanleitung Zehnder ComfoAir Q Steuerplatine CAQ
Zehnder_CSY_ComfoAir-Q -Austausch-Sensoren-ODA-ETA_INM_DE-de
Austauschanleitung Zehnder ComfoAir Q Sensor oben ODA ETA
Zehnder_CSY_ComfoAir-Q-Austausch-Filter_INM_DE-de
Austauschanleitung Zehnder ComfoAir Q Filter für Serviceset
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