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Positive Input Ventilation (PIV) Explained

Positive Input Ventilation (PIV) Explained

What is Positive Input Ventilation (PIV)?

PIV stands as a highly effective remedy for condensation dampness and its associated issues within residential properties. It efficiently expels harmful air from the home, replacing it with a continuous supply of fresh, filtered air.

Developed in the early seventies, this technology is now implemented in millions of homes and has proven itself to be a reliable retrofit ventilation solution.

Now that we know the basics take a look at the Best PIV units available here 

How does Positive Input Ventilation work?

PIV operates by drawing in fresh air through a unit typically installed in the loft, although not exclusively. This incoming air is then filtered and gently diffused at ceiling level, creating positive pressure within the home. This pressure forces air pollutants out through the natural leakage gaps present in every UK property, be it old or new.

When is a PIV unit recommended?

Positive input ventilation is a highly dependable, cost-effective, and straightforward solution to ensure a constant flow of clean air throughout your home, eliminating the concerns of poor indoor air quality. PIV units are recommended for various purposes, including the displacement of indoor pollutants like stagnant and humid air. Installing a PIV unit in your home also significantly reduces the symptoms commonly associated with asthma and dust mite allergies. Installation is generally advised when you need ventilation throughout the dwelling but aren't planning a comprehensive home renovation that involves removing walls.

Does a PIV unit address damp and condensation?

Condensation poses a rapidly growing issue, with an estimated one in five houses in the UK poorly ventilated and susceptible to problems like streaming windows, mold growth, and compromised indoor air quality. The average family generates up to 10 litres of water daily through routine tasks such as cooking, washing, bathing, and indoor clothes drying.

Both new and modern homes face the risk of condensation. Poorly heated homes are prone to condensation dampness, while well-insulated homes with features like double glazing can trap moist air indoors. When it comes to remedying damp and condensation, PIV stands out as the most cost-effective whole-home system on the market today. It's the trusted choice of numerous homeowners and landlords across the UK.

View our range of PIV units here

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