Vent-Axia Lo-Carbon Heat Save


Vent-Axia Lo-Carbon Heat Save

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Further Information

Key Features

  • Suitable for improving indoor air quality in habitable rooms
  • Fully customisable ventilation via a control panel
  • Easy to install, no need for ducting, wall sleeve included
  • Easily maintained with cleanable filter and ceramic heat exchanger
  • 5 year warranty for peace of mind
  • Up to 84% heat recovery to reduce energy bills
  • Anti-frost protection built i
  • Replace extracted air with filtered air
  • Reduce the homes carbon footprint and save money on energy bills


Vent-Axia Lo-Carbon Heat Save

Product Part Number

Vent-Axia Lo-Carbon Heat Save - 496036

Vent-Axia Wired Zone Control Panel - 496037


Through-The-Wall Heat recovery Unit

The Vent-Axia Lo-Carbon Heat Save is a ventilation unit designed for living rooms and bedrooms in single and multi-family buildings. The unit is usually located in an exterior wall to provide new air to the room.

The Vent-Axia Lo-Carbon Heat Save uses a reversible fan to extract dirty air from the room and replace it with outside air 70 seconds later. This air passes through a filter to ensure that clean air enters the room. These systems work best in pairs as when one unit is extracting, the other can be supplying air to provide a balanced ventilation system. They are controlled by a SENWZP Sentinel wired zone controller which can operate up to 8 units in synchronization. This provides a single room or whole house balanced ventilation system with heat recovery.

As well as filtering the air, the Vent-Axia Lo-Carbon Heat Save uses a thermal accumulator to extract warmth from the outgoing air and uses it to temper the incoming air to avoid the feeling of cold drafts and recover heat that would otherwise be lost to the outside.

Typical Installation

The Vent-Axia Lo-Carbon Heat Save can be fitted in a 180mm diameter hole. Maximum wall thickness is 460mm or 745mm with optional wall tube (see accessories). The wall sleeve length (included up to 460mm) can be cut down to size to fit any wall thickness. Vent-Axia Lo-Carbon Heat Save units work best in pairs. When one unit is extracting, the other can be supplying air to provide a balanced ventilation system. They alternate direction every 70 seconds when the thermal accumulator on the extract unit has warmed up allowing the supply air to benefit from these thermal gains. They are controlled by a SENWZP Sentinel wired zone controller. This is fully modular and controllable with customized ventilation profiles available so that every room in the home can have the perfect ventilation.


Technical Specification


  • Wall opening: 167 - 180 mm
  • Wall thickness with plaster/render: >290 mm
  • Supply Air flow: 2.8 - 12.0 l/s
  • Extract Air flow: 2.8 - 12.0 l/s
  • Average Air flow: 1.4 - 6.0 l/s
  • Power consumption: 1 - 3W
  • Sound emission: 18 - 36 dB(A)
  • Heat Recovery: 84%
  • Temperature range: -20 - 50 °C

Technical Drawings



BPC have years of experience in delivering equipment around the UK and other Worldwide destinations. Our dedicated dispatch team work hard to ensure the highest standards are met so that your goods arrive on-time and in pristine condition.

Our market knowledge and experience allow us to match our service to meet your requirements swiftly and safely.

Free Delivery

We offer free delivery on any order over £100 to any mainland UK or Ireland address  

Worldwide Delivery

Worldwide delivery is possible on almost all our products at low costs, delivery to countries outside the EU are normally delivered to the nearest customs office, port or terminal for the purchaser to collect and complete custom clearance.

Please contact us to confirm shipping cost and availability.  

End-To-End Support Delivery is available within 48-72 hrs, depending on method of transport, for hundreds of stock items.

Customers receiving a pallet delivery will be emailed on day of dispatch advising of delivery date. Parcel deliveries will be notified via email or SMS directly from DPD.

These checks are part of a unique commitment to building relationships with customers, understanding their specific delivery needs and responding to them positively and promptly.  

We deliver on Service

Key components such as ductwork and fittings plus the most popular selling MVHR units are kept in stock in our UK-based warehouse, which means that you receive the best possible delivery dates.

All goods are expertly packed by a professional team so that your equipment is received in pristine condition ready for installation.

All deliveries co-ordinated to suit your specific requirements and construction programme.

Delivery Partners

We only use the couriers with the highest standard of service that include

  • Fastway
  • DPD
  • Montgomery Transport
  • Liam Connolly Roadfreight Ltd
  • Europa Worldwide


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