Zehnder CA155WM-GB ComfoAir 155 WM Heat Recovery Unit
Zehnder CA155WM-GB ComfoAir 155 WM Heat Recovery Unit
£1,130.99
SKU: CA155WM−GB

Zehnder CA155WM-GB ComfoAir 155 WM Heat Recovery Unit

Up to 93% heat recovery
125mm ducting, wall mounted
Summer bypass and humidity sensor
Estimated delivery
In stock
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Delivery and Warranty

Standard UK Mainland Delivery
If you are not in a rush, then we offer standard delivery and your order should be with you between 2-3 working days. 
£6.95  

Next Working Day Delivery 
Place your order before 12pm Monday to Thursday and receive your order the next working day. Orders placed on Friday before 11am will be processed and delivered on Monday. (Excludes Sunday’s and Public Holidays) 
£15.95 

Nominated Day Delivery
We know sometimes you will need an order on a particular date in the future. Simply select this option at checkout and add what date you would like to receive the order. We will then contact you to confirm the date. If you need to change this order date then please contact us ASAP.
£15.95

Northern Ireland Delivery
We offer a flat fee rate for Northern Ireland orders, and all are 5-7 working day lead times.
£29.95 

Scottish Highlands & Islands Delivery
We only offer a flat fee rate for Scottish Highland & Islands orders, and all are 5-7 working day lead times.
£45.95

Channel Islands Delivery
We only offer a flat fee rate for Channel Islands orders, and all are 5-7 working day lead times.
£45.95 

Product Details

Specifications

Product specifications
Brand Zehnder
Model ComfoAir 155 WM (CA155WM-GB)
Heat recovery efficiency Up to 93%
Specific Fan Power 0.5 W/l/s
Duct size 125mm
Power consumption 165W maximum
Handing Left or right via software
Dimensions (H x W x D) 644mm x 546mm x 298mm
Weight 18kg
Warranty 1 Year Manufacturer

Summary

The Zehnder ComfoAir 155 WM (CA155WM-GB) is a compact wall-mounted whole house MVHR unit delivering up to 93% heat recovery, designed to make ventilation easier to specify in new properties. An integrated humidity sensor and automatic true summer bypass keep the indoor climate comfortable and efficient.

It configures to left or right hand in software with no mechanical alteration and installs to a wall or kitchen cupboard using 125mm ducting. SMART features include CommissionSMART set-up, SummerSMART bypass, TimerSMART overrun and HumidiSMART boost, plus BMS capability and tool-free filter access.

See more specification See less specification

The Zehnder ComfoAir 155 WM (CA155WM-GB) is a compact wall-mounted whole house MVHR unit delivering up to 93% heat recovery, designed to make ventilation easier to specify in new properties. An integrated humidity sensor and automatic true summer bypass keep the indoor climate comfortable, healthy and energy efficient.

It configures to left or right hand through software alone, with no mechanical alteration, and installs easily to a wall or kitchen cupboard using 125mm ducting. SMART features include CommissionSMART set-up, SummerSMART full bypass, TimerSMART overrun and HumidiSMART humidity boost, plus BMS capability, tool-free filter access and volt-free contact boost.

  • Up to 93% heat recovery
  • 125mm ducting, wall mounted
  • Summer bypass and humidity sensor

Specifications

Brand Zehnder
Model ComfoAir 155 WM (CA155WM-GB)
Heat recovery efficiency Up to 93%
Specific Fan Power 0.5 W/l/s
Duct size 125mm
Power consumption 165W maximum
Handing Left or right via software
Dimensions (H x W x D) 644mm x 546mm x 298mm
Weight 18kg
Warranty 1 Year Manufacturer

Manuals & Guides

Zehnder ComfoAir 155 WM Datasheet

Zehnder ComfoAir 155 WM Installation

Product Description

The Zehnder ComfoAir 155 WM (CA155WM-GB) is a compact wall-mounted whole house MVHR unit delivering up to 93% heat recovery, designed to make ventilation easier to specify in new properties. An integrated humidity sensor and automatic true summer bypass keep the indoor climate comfortable, healthy and energy efficient.

It configures to left or right hand through software alone, with no mechanical alteration, and installs easily to a wall or kitchen cupboard using 125mm ducting. SMART features include CommissionSMART set-up, SummerSMART full bypass, TimerSMART overrun and HumidiSMART humidity boost, plus BMS capability, tool-free filter access and volt-free contact boost.

  • Up to 93% heat recovery
  • 125mm ducting, wall mounted
  • Summer bypass and humidity sensor

Specifications

Brand Zehnder
Model ComfoAir 155 WM (CA155WM-GB)
Heat recovery efficiency Up to 93%
Specific Fan Power 0.5 W/l/s
Duct size 125mm
Power consumption 165W maximum
Handing Left or right via software
Dimensions (H x W x D) 644mm x 546mm x 298mm
Weight 18kg
Warranty 1 Year Manufacturer

Manuals & Guides

Zehnder ComfoAir 155 WM Datasheet

Zehnder ComfoAir 155 WM Installation

Delivery & Returns

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What is the ComfoAir 155 WM?

It is a compact wall-mounted whole house MVHR unit delivering up to 93% heat recovery, designed for easy specification in new build properties.

Is the ComfoAir 155 WM left or right handed?

Handing is set in software with no mechanical changes, so the same unit suits both left and right hand installations.

Where can the ComfoAir 155 WM be mounted?

It is designed for wall or kitchen cupboard mounting and is light to handle for easier installation.

Does it have a summer bypass?

Yes, SummerSMART provides automatic full bypass with filtered supply air all year round.

What are the dimensions?

The unit measures 644mm high, 546mm wide and 298mm deep and weighs 18kg.

Does the ComfoAir 155 WM respond to humidity?

Yes, HumidiSMART continuously monitors humidity and boosts the unit when it detects a man-made spike.

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