Zehnder 471233400 ComfoAir 350, Left Handed Mechanical Ventilation Unit With Heat Recovery MVHR

ComfoAir 350 LH MVHR Unit – Passive House Certified Ventilation with 96.4% Efficiency & Flexible Duct Configuration

The ComfoAir 350 LH is a high-capacity Mechanical Ventilation with Heat Recovery (MVHR) unit, designed for energy-efficient homes and Passive House projects. With up to 400 m³/h airflow, rotatable spigots for horizontal or vertical ducting, and 96.4% thermal efficiency, it offers advanced comfort and air quality in medium to large residential settings.

• Passive House Certified: Meets rigorous energy performance standards with high heat recovery and airflow capabilities for low-energy buildings.
• 96.4% Thermal Efficiency: Delivers consistent heat recovery and low energy use, supporting sustainable home ventilation.
• Flexible Ducting with Rotatable Spigots: Enables horizontal or vertical connection for versatile installation in varying layouts.
• Filtered Summer Bypass: 100% bypass with filtration maintains fresh airflow without sacrificing efficiency in warmer months.
• Tool-Free Access & Control Options: Easy filter replacement, volt-free boost input, and support for optional ISO ePM1 50% (F7) filters and enthalpy cube for enhanced humidity recovery.

Technical Specification

• Max. Air Volume: 409 m³/h at 100 Pa
• Thermal Efficiency: 96.4% (EPN standard)
• Mounting Type: Wall or floor
• Bypass Function: 100% full and filtered summer bypass
• Power Supply: 230 V, 50 Hz | Amperage: 1.77 A | Power Input: 0.0384 kW

✅ Choose the ComfoAir 350 LH for high-performance, Passive House-ready ventilation with flexible ducting and top-tier energy efficiency.