ComfoAir Flex 250, 350

The ceiling or wall mounted MVHR:
excellent performance & extremely quiet

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Zehnder ComfoAir Flex

ComfoAir Flex

Ceiling Mounted MVHR

The Zehnder ComfoAir Flex are based on the success of the ComfoAir Q MVHR range. In the future, when the ERV version is available, it could then also be wall mounted. They offer:

State of the art design and intelligent technology,
Suitable for standard builds or Passive House buildings,
High performance MVHR.
The commissioning wizard makes the installation of the system as easy as possible.
The system is designed to last and is maintenance-friendly, as all components are easily accessible and removable.
The system comes with app control technology, that enables the end-user to have as little or as much interaction with the system as they wish.

Ultra Quiet

Fan noise is one of the biggest issues of ventilation systems, that can make or break the acceptance by the end-user.

Like the Zehnder ComfoAir Q, the Flex MVHR delivers ultra quiet noise levels to the home by managing airflow and lowering resistance – the innovative and patented airflow channels and grids allow air to move easily through the unit without noise. One of the comments at handover, that we often hear is “Is it working? I cannot hear it.”

8x ComfoAir Flex units side by side would compare to the break out noise of ONE standard MVHR, like the ComfoAir 155 – at the same output level. That makes all the difference.

Key Features of the ComfoAir Flex

CA Flex250: max 69l/s, Flex350: 97l/s
Superior Appendix Q performance: up to 95% heat recovery rate
Swivel 160mm spigots for adaptable connection
No dis-balancing and drop in performance over time, due to mass-flow constant operation
Automatic increase of ventilation with in-built humidity sensor (to be activated)
Best winter performance, due to in-built modulated defrost pre-heater (optional)
Gentle cooling with modulated summer bypass
App control, in-built (iOS or Android)
Filter warning (state of the filters and timed)
Pollen filter option

Control Options

Their control system is based on the versatile and innovative ComfoAir Q series, but with some improvements:

The LAN controller for app control is now in-built
Wireless connection to router (no wires needed)
In-built options box for optional boost switch actuation or
for full automation with optional CO2 sensors and in-built humidity sensors.

Further Information

Data Sheet for ComfoFlex 250

Data Sheet for ComfoFlex 350

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Shop Comfoair Flex250

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