![Drimaster Eco Heat Positive Input Ventilation Unit With Integral 400W Heater By Nuaire : Amazon.co.uk: DIY & Tools Drimaster Eco Heat Positive Input Ventilation Unit With Integral 400W Heater By Nuaire : Amazon.co.uk: DIY & Tools](https://m.media-amazon.com/images/W/IMAGERENDERING_521856-T1/images/I/61jt5lLJjKL._AC_SL1000_.jpg)
Drimaster Eco Heat Positive Input Ventilation Unit With Integral 400W Heater By Nuaire : Amazon.co.uk: DIY & Tools
PIV stands for Positive Input Ventilation. These systems provide continuous ventilation by inputting fresh, filtered air into the property. This creates... | By Nuaire | Facebook
![Loft Mounted PIV (Positive Input Ventilation). Eliminates condensation and mould. Reduces radon levels. - The Radon Shop Loft Mounted PIV (Positive Input Ventilation). Eliminates condensation and mould. Reduces radon levels. - The Radon Shop](https://theradonshop.com/wp-content/uploads/2016/07/LoftFeature_7.jpg)