
Zehnder CA155WM-GB ComfoAir 155 WM Mechanical Ventilation Unit With Heat Recovery MVHR & Humidity Sensor for Wall or Cupboard Counting with SMART Technology
CA155WM-GB
ComfoAir 155 WM MVHR Unit – Smart, Wall-Mountable Ventilation with Heat Recovery & Humidity Sensor
The ComfoAir 155 WM is a compact Mechanical Ventilation with Heat Recovery (MVHR) unit, engineered for wall or cupboard installation. Designed with SMART capabilities and humidity sensing, this high-performance solution delivers energy-efficient ventilation with easy configuration and minimal installation effort.
- Smart Reversible Orientation: Left or right-hand configuration is selectable via software only—no mechanical changes needed on-site.
- Full Summer Bypass: 100% filtered bypass for maximum ventilation and comfort during warmer months.
- Discreet, Lightweight Design: Compact build with modern aesthetics and light handling make it ideal for tight installations and transport.
- Tool-Free Maintenance: Quick and easy filter changes without tools, saving time on service and upkeep.
- Advanced Ventilation Control: Fully variable AUX speed settings, suitable for away mode, standard use, or high-demand purge boost.
Technical Specification
- Mounting: Wall or cupboard (special pod option available)
- Airflow Capacity: Up to 250 m³/h at 100 Pa
- Power Supply: 230 V / 50 Hz
- Dimensions (W x H x D): 546 x 644 x 298 mm
- Weight: 18 kg
✅ Upgrade your residential ventilation setup with the ComfoAir 155 WM for reliable, smart, and efficient indoor air quality control!
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)
- STANDARD DELIVERY – 2–3 Working Days From Despatch (subject to stock availability) - £4.99 inc-VAT. (£4.16 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.