Home Mechanical Ventilation Positive Input Ventilation (PIV) Axco Loft Mounted Positive Input Ventilation (PIV)

Axco Loft Mounted Positive Input Ventilation (PIV)

An Axco loft mounted Positive Input Ventilation system gently ventilates the home by drawing fresh air from the roof space, delivering it to the property via the innovative diffuser.

Product Suitability

Nursing Homes
Image of Axco Loft Mounted Positive Input Ventilation (PIV)
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Improves Indoor Air Quality

Fresh, filtered air is constantly supplied into the home.

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Suitable for New & Existing Homes

Easy to install and meets Building Control ventilation requirements.

No condensation icon
Stops Streaming Windows

Moisture laden air is diluted and displaced through natural leakage points.

Man breathing fresh indoor air

Improves Indoor Air Quality

Designed to run continuously, the loft mounted unit dilutes, displaces and replaces moisture laden air with fresh filtered air, forcing contaminants out of the property through natural cracks and leakages.

  • Reduces condensation & mould
  • No need for trickle vents
  • Removes musty odours
Energy efficient PIV

Energy Efficient

The loft mounted PIV unit takes maximum advantage of the benefits of solar gain from within the loft space. Temperatures in the loft space are on average 3oC higher than outside, and as the loft mounted unit draws fresh air from the loft and delivers it into the property.

  • Relative saving of around 150 Watts of heat energy per day
  • Integral pre-heater tempers air when it drops below 10 degrees
  • Ultra Low Watt brushless DC motor


Trickle 19
Medium 27
Large 37
Boost 47
Trickle 3.03
Medium 4.21
Large 6.19
Boost 9.76
Specific Fan Power (SFP)
Trickle 0.15
Medium 0.15
Large 0.16
Boost 0.20
Unit dimensions (W x H x D) 325mm x 415mm x 330mm
Integral comfort pre-heater
Integral G4 filter
Ceiling valve Square: 300mm x 300mm x 30mm


Ceiling Air Diffuser

Wireless Controls

Ceiling Air Diffuser

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Exclusive to BEAM, our modern slimline ceiling air diffuser distributes air evenly, without causing draughts. 

Fully adjustable 4-sided opening

Smoothflow, easy to clean, white uPVC

Suitable for most locations including close proximity to smoke alarms

Wireless Controls

Image for <p>Wireless Controls</p>

The wireless controller allows you to manage the system settings without entering the loft. 

Display shows boost & automatic settings

Controller indicates small, medium, or large airflow settings.

Added convenience

Optional extra

Frequently Asked Questions

Here are some answers to your most frequently asked questions about our mechanical ventilation systems.

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