Smart Mechanical Ventilation (SMV)

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The Impact of CO₂

Rising CO₂ concentrations have a major impact on both the outdoor and indoor environment. To reduce carbon emissions, buildings have been made more air-tight, making them more energy efficient. But this is a double-edged sword; with inadequate ventilation, an air-tight room will suffer from poor air quality and a high CO₂ concentration. Therefore, we find ourselves between an iceberg and a hard place.

 

In a typical classroom, the volume of room air may need to be changed approximately 5 times per hour to achieve a daily average of less than 1,000 ppm of CO₂. That means that the entire volume of room air must be changed every 12 minutes and this air must be brought in from outside.
To achieve a daily average of 1,000 ppm of CO₂, provide filtered air and not be wasteful, mechanical ventilation with heat recovery (MVHR) must be used.

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AirMasters installed in classrooms across the UK and Europe

70,000+

Features

The air that our children breathe...

...how safe is it?
Pollution and filtration

Studies have found that air pollution in classrooms is often worse than it is outside, and action must be taken to protect our school children. Ventilation equipment therefore becomes a key line of defence to stop further build-up of pollutants. AirMasters are equipped with filters to at least ePM10 75%, which can be upgraded to ePM1 55% for highly polluted areas.

Noise Management

With noise attenuation of up to 49 dB(A) and casing breakout volume of 35 dB(A) measured at just 1 m, AirMasters are well equipped to deal with noise. For SEN applications, casing breakout volume can be limited to just 30 dB(A) at 80% throughput. These factors make AirMasters the quietest decentralised ventilation units in the UK.

Energy savings

The aluminium counterflow heat exchangers that are used in AirMasters enable heat recovery efficiency of up to 90%, dramatically cutting the amount of supplementary heat required in a classroom to maintain a comfortable room temperature. Classroom units are normally supplied with an integral CO₂ sensor for demand-controlled operation, reducing energy consumption during unoccupied periods.

Draught-free ventilation

For mechanical ventilation units, supply air temperature and velocity must be carefully controlled to avoid draughts. By using a heat exchanger and the Coanda effect, an AirMaster unit eliminates the risk of draught even on the coldest days.

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Document Downloads

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Design Guide
  • AirMaster Design Guide

Product Catalogue (With Technical Data)
  • AirMaster Product Catalogue 2020-2021

Brochure
  • Airlinq Online Brochure

Specifications
  • Wall or Ceiling Mounted SMVs

  • Floor Standing SMVs

Industry Views
  • Decarbonizing UK School Ventilation

  • The Impact of CO₂ on Children's Learning

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