
Description
Zehnder ComfoAir Flex 350 MVHR
Product Part Number:
Zehnder ComfoAir Flex 350 with Pre-Heater – 471234260
The Zehnder ComfoAir Flex 350 is a compact, high-performance ventilation unit designed for apartments and smaller homes. It fits seamlessly into suspended ceilings while delivering exceptional air quality and energy efficiency. Featuring ultra-quiet fan technology, a custom heat exchanger, and smart app control, it ensures a healthy and comfortable indoor environment.
Key Benefits
Smart & Connected – Wi-Fi enabled for control via the ComfoControl app (iOS & Android).
Flexible Configuration – Left or right-hand setup with software adjustments (no mechanical changes).
Efficient Heat Recovery – 100% modulating summer bypass with high heat recovery efficiency.
Easy Installation – Rotatable spigots for flexible duct connections & a double dry siphon included.
Simple Commissioning – Wizard setup tool for a fast and easy installation process.
Advanced Air Quality Control – Adaptive comfort technology & automatic temperature boost in summer.
Intelligent Humidity Boost – Detects man-made humidity spikes for optimized airflow adjustments.
User-Friendly Maintenance – Tool-free filter access for hassle-free replacements.
Enhanced Safety & Control – Includes fire shutdown contact, remote access, & 0-10V BMS input.
Premium Filtration Options – Compatible with ISO Coarse (G4), ISO ePM10 (M5), and ISO ePM1 (F7) filters.
Passive House Certified – Meets high energy efficiency standards for eco-friendly homes.
Upgrade your home's ventilation with the Zehnder ComfoAir Flex 350 – compact, efficient, and whisper-quiet!
Further information is available on the Manufactures website
Video
Instant Quote and Kit Builder
Enter a few basic details about the property below and we’ll calculate a suitable Ventilation system with an instant quote.
Inputs
Quote helper
Hi, I’m Bernie 👋
I can help with room counts, MVHR vs MEV, kit options and understanding your quote before you continue.
Bernie is a guide only. Please check your inputs before creating the quote.
Add the floor area and room counts for the property.
The system checks the required ventilation rate and builds the kit.
You’ll be taken to a full quote page with the kit breakdown and pricing.
Larger homes, complex layouts or systems requiring multiple units may be better suited to a manual layout guide.
This project may need a bespoke estimate
For larger or more complex properties, our design team can review your plans and provide a free estimate with the most suitable system and kit configuration.