Positive Input Ventilation

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Positive Input Ventilation or PIV Replaces The Stale Unhealthy Air in Your Home with Healthy Fresh Air

What is the problem?

Our modern, sealed homes with double glazing and insulation are more energy-efficient than ever before but they also promote moisture, mould and indoor air pollution. Pollutants including moisture, cleaning chemicals, mould spores and dust mite feces can lead to conditions unfit for human habitation.

 Indoor air can be up to 50x more polluted than outdoor air.

17 pints of water can be produced indoors, per day, by a family of 4

90% of our time is spent indoors


How Does the PIV Unit Prevent This?

Filtered, cleaner, drier air is gently introduced to the home, leading to increased circulation of air around the property. Moisture and other pollutants are removed from the air, preventing mould growth.

By removing the moisture and other air pollutants in this way, mould growth is prevented at source.

"Mould is a simple plant; if you want to kill it, you must stop watering it!"

PIV Installations are Easier Than Traditional Ventilation Installations

Finding a spot to add a new ventilation system to an already busy home can lead to units being put into an awkward spot spoiling aesthetics or creating noise in an inappropriate area of the home. PIV units are easily positioned in the loft, mounted on adjustable, vibration-reducing feet.

PIV units can run for an entire year for as little as £5 worth of Electricity

Additional F7 filters will also remove pollen and diesel particles

Vent Axia PIV Unit

Can I Have a PIV Unit if I Don't Have a Loft?

Yes, surface mounting PIV units are available and can be mounted in 16 different orientations to suit the home.


Compact, Wall Mounted PIV units are Available for Properties Without a Loft

Buy PIV units from the Fastlec Store



Need Some Help?



Need some help? Our phone lines are open Monday - Friday 7.30am to 5.30pm

Call us on: +44 (0)1903 255424



If you wish to get in touch with us via email, you can do on the email address below.

Email Enquiries:fastlec@fastlec.co.uk


Alternatively you can find the Fastlec store via the address below.

ADR Sussex Ltd (Fastlec)
Units M3-M5, Riverside Ind Est
Littlehampton, West Sussex
BN17 5DF