





Zehnder 471233405 ComfoAir 350, Right Handed Mechanical Ventilation Unit With Heat Recovery MVHR
471233405
ComfoAir 350 RH MVHR Unit – Passive House Certified Ventilation with 96.4% Heat Recovery & Right-Handed Ducting
The ComfoAir 350 RH is a robust Mechanical Ventilation with Heat Recovery (MVHR) unit designed for medium to large residential properties, including Passive House projects. With a high airflow capacity of up to 400 m³/h, 96.4% thermal efficiency, and rotatable spigots for flexible ducting, this right-handed unit offers powerful performance and installation versatility.
- Passive House Certified: Optimised for energy-efficient buildings, meeting strict ventilation and performance criteria for sustainable design.
- 96.4% Heat Recovery Efficiency: Ensures minimal energy loss and year-round indoor climate stability, supporting heating and cooling strategies.
- Right-Handed Configuration with Rotatable Spigots: Factory-configured for right-side ducting and adaptable to horizontal or vertical layouts for easier installation.
- Full Filtered Summer Bypass: Maintains comfort during warmer seasons with 100% filtered bypass operation, keeping air fresh and clean.
- Smart Integration & Maintenance: Includes volt-free boost input, tool-free filter access, and options for ISO ePM1 50% (F7) filters and enthalpy cube for added 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 RH for efficient, Passive House-certified ventilation with right-handed ducting and flexible duct connection options.
Range | Zehnder ComfoAir |
Product | Whole House Filtration |
Delivery Options:
- PRIORITY DELIVERY – Next Working Day (All items in stock and ordered before 3 pm) - £7.08 inc-VAT. (£5.90 ex-VAT)
- Orders Over £100 (before VAT): We offer free standard shipping on all orders shipped to UK mainland addresses
- Orders under £100 (before VAT): Our standard delivery fee to UK mainland addresses is £5.90 ex-VAT (£7.08 inc-VAT)
*Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £12 ex-VAT for all orders (Prices subject to change).
Items requiring specialist shipping:
- Orders containing Solar Panels, Batteries and/or Inverters: Up to 50 qty will be dispatched on a pallet and incur a £120 ex-VAT delivery charge**.
**Delivery charges to JE, GY, TR, BT, IM, IV, HS, KW, ZE and certain PA post codes are £180 ex-VAT (Prices subject to change).
Contact us if you have any further questions.