
Building Regulations Approved
Building Regulations Approved Document F gives examples of four main methods of ventilation. System 3, Continuous mechanical extract ventilation can be achieved using a single centralised extract unit such as the Sentinel Multivent ducted to ‘wet’ rooms (kitchen, bathroom, en-suite and WC) or by decentralised individual fans, such as the Lo-Carbon Centra in the ‘wet’ rooms. The fans run continuously at near silent levels providing a simple and effective form of ventilation.


Quietest dMEV Available
The Vent Axia Lo Carbon Centra HT is the quietest dMEV available!
Sound dB(A) @ 3m | ||
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Trickle low: |
Trickle high: |
Boost: |
10.8dB | 15.5dB | 25.2dB |
Excellent Flow Rates
Selection of the two normal flow rates (6l/s or 9l/s) is via a simple ‘jumper’ on the control board. Different methods are available for operating boost speed from a simple switched live to integral humidistat or CO2 sensor. See individual models for further details.
Extract Performance (l/s) | ||
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Trickle low: |
Trickle high: |
Boost: |
6l/s | 9l/s | 15l/s |
