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What is Demand Controlled Mechanical Extract Ventilation?

An Axco Demand Controlled Mechanical Extract Ventilation (MEV) system is a low energy, continuous mechanical extract ventilation system consisting of:

  • A quiet and compact low energy MEV fan usually installed in the roofspace/ cupboard

  • Network of ducting to all wetrooms (e.g. bathrooms & kitchen)

  • Discreet extract ceiling valves in each wetroom to remove moisture-laiden air

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How Demand Controlled Mechanical Extract Ventilation Works

An Axco Demand Controlled Mechanical Extract Ventilation (MEV) system continuously extracts stale, polluted air from rooms where most moisture is generated (e.g. kitchens and bathrooms). The low energy unit runs continuously at a low normal ventilation rate and when higher humidity is detected (i.e. when showering) the system automatically boosts.

Installation is available throughout the UK & Ireland

All systems are designed by an experienced technical team and are installed by fully qualified BEAM engineers or our nationwide team of distributors. We can install into new build properties or retrofit into most existing homes.

Installing a Mechanical Extract Ventilation System

Product Range

The BEAM Axco Demand Controlled Mechanical Extract Ventilation (MEV) system is a low energy, continuous mechanical extract ventilation system designed with multiple extract points to simultaneously draw moisture-laden air out of the wet rooms, whilst minimising the migration of humidity to other rooms.


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Demand Controlled Mechanical Extract Ventilation
  • Low running cost

  • No extractor fans needed

  • Prevents mould and condensation

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What does it cost?

More affordable than you think

Guide price for a typical 3 bedroom bungalow

Installation additional. Full survey of plans/house required for accurate quote.

£795

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What does it cost?

More affordable than you think

Guide price for a typical 4 bedroom 2 storey

Installation additional. Full survey of plans/house required for accurate quote.

£995

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What does it cost?

More affordable than you think

Guide price for a typical 5+ bedroom home

Installation additional. Full survey of plans/house required for accurate quote.

£1,195

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With over 70,000 installations throughout Ireland and the UK, our Central Vacuum Systems can be found in all types of homes just like yours.

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