What is PIv? PIV (Positive Input Ventilation) = “Fresh air in, stale air out.” A PIV unit gently blows fresh air into your home, usually from the loft. This creates a slight positive air pressure indoors. That pressure pushes stale, damp air out through vents or gaps, helping reduce condensation and mould. We handmake these units in our factory down in Harrogate, giving us full control of the quality! Want to see if it's right for your property? Get in touch to find out. | EnviroVent
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