Zehnder 471234260 ComfoAir Flex 350 with Pre-Heater Space Saving Design Mechanical Ventilation Unit With Heat Recovery MVHR

ComfoAir Flex 350 with Pre-Heater – Ceiling-Mounted MVHR with Climate Switch®, WiFi Control & 350 m³/h Airflow

The ComfoAir Flex 350 with Pre-Heater is a high-performance, space-saving Mechanical Ventilation with Heat Recovery (MVHR) unit designed for modern apartments and compact living spaces. Offering airflow up to 350 m³/h, pre-heating for cold climates, and smart app-based control, it provides year-round indoor comfort and energy efficiency in an ultra-compact ceiling-mounted design.

• Climate Switch® Technology: Actively prevents overheating in summer and optimises heat recovery in winter, ensuring balanced comfort in all seasons.
• Integrated Pre-Heater: Improves cold weather performance and maintains consistent indoor temperatures, even in frosty conditions.
• App-Controlled Operation: Built-in WiFi and Zehnder ComfoControl App enable full setup, control, and commissioning from a mobile device.
• Compact Ceiling Installation: Minimal height and 4x 45° rotatable bends allow for discreet installation in suspended ceilings with quick access for service.
• Optional Enthalpy Recovery: Compatible with Zehnder's enthalpy exchanger (available from 2024) to balance indoor humidity and enhance comfort further.

Technical Specification

• Max. Air Volume: 350 m³/h at 200 Pa
• Thermal Efficiency: High efficiency via custom heat exchanger (pre-heater included)
• Mounting Type: Suspended ceiling
• Bypass Function: Full and filtered modulating summer bypass (via Climate Switch®)
• Power Supply: 230 V, 50 Hz | Amperage: 1 A

✅ Choose the ComfoAir Flex 350 with Pre-Heater for smart, compact ventilation that adapts to the seasons and delivers clean, comfortable air in every room.