Zehnder 471502021 ComfoAir Q450 with Pre-Heater, Left Handed Mechanical Ventilation Unit With Heat Recovery MVHR & Humidity Sensor

ComfoAir Q450 LH with Pre-Heater – Left-Handed MVHR Unit with 98.8% Heat Recovery & SMART Humidity Control

The ComfoAir Q450 LH with Pre-Heater is a high-performance Mechanical Ventilation with Heat Recovery (MVHR) unit, optimised for large-scale residential applications. With a left-handed duct configuration, built-in frost protection, and up to 98.8% thermal recovery, this unit offers energy-efficient, intelligent ventilation with advanced humidity monitoring and climate control features.

• Top-Tier 98.8% Efficiency with Pre-Heater: Delivers exceptional thermal performance with integrated frost protection, ideal for colder climates and high-efficiency builds.
• Smart Humidity Boost: Detects rapid changes in indoor moisture and automatically increases airflow to maintain healthy humidity levels.
• Full Modulating Summer Bypass: 100% filtered bypass function supports fresh air supply during warmer months without sacrificing energy recovery.
• Left-Handed Configuration: Factory-configured for left-hand installations, with software control to adapt flow direction as needed—no mechanical alteration required.
• Installer-Friendly Design: Tool-free filter access and intuitive commissioning wizard streamline installation and maintenance. Compatible with ISO ePM1 65% (F7) filters for enhanced air purification.

Technical Specification

• Max. Air Volume: 450 m³/h at 200 Pa
• Thermal Efficiency: 98.8% (EPN standard, with pre-heater)
• Mounting Type: Wall or floor
• Bypass Function: 100% full and filtered modulating summer bypass
• Power Supply: 230 V, 50 Hz | Amperage: 9.83 A | Power Input: 0.086 kW

✅ Choose the ComfoAir Q450 LH with Pre-Heater for powerful, energy-smart ventilation tailored for left-hand duct installations in large residential settings.