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What is Positive Input Ventilation?

A Positive Input Ventilation (PIV) system is a whole home ventilation and condensation control unit, suitable for new & existing homes and apartments.

  • Beam Axco Air- Source loft mounted PIV

  • Beam Axco loft mounted PIV

  • Beam Axco wall mounted PIV

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How a Positive Input Ventilation System Works

The PIV unit draws fresh filtered air into the home and gently ventilates from a central position on the landing or central hallway. Stale, moisture-laden air is diluted, displaced and replaced with subtle fresh filtered air forcing contaminants out of the property through leakages or extract points in wet rooms (if applicable)

Installation is available throughout the UK & Ireland

We offer a full installation service by qualified BEAM engineers or our nationwide team of distributors. We can install into new build properties or retrofit into most existing homes. Our PIV units can also be self-installed.

Product Range

PIV systems help stop condensation and mould growth in homes by providing fresh, filtered air from a central location in the home.


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Airsource Loft Mounted PIV
  • Ideal for homes with a small or unventilated loft space

  • Reduces humidity and improves indoor air quality

  • Maintains the required level of ventilation continuously throughout the year.

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Loft Mounted PIV
  • Eliminates condensation & mould growth

  • Generates fresh filtered air throughout

  • Highly Energy Efficient

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Wall Mounted PIV
  • Eliminates condensation & mould growth

  • Forces contaminants out of the property through natural cracks and leakages

  • Quiet in oepration, with low energy consumption

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People we’ve helped

With over 70,000 customers throughout Ireland and the UK, our Positive Input Ventilation Systems can be found in all types of homes just like yours.

Residential Positive Input Ventilation Projects

Beam Product Brochure

Download the latest Beam Brochure here