Tag: positive input ventilation
Positive input Ventilation units – What is your exp...
Positive input Ventilation units (PIVs) to clear dampness around the window reveals. We have had new double-glazed plastic windows...
EPC rating destroyed by Positive Input Ventilation (PIV)?
Hello, I own three fairly typical mid terrace solid-brick houses. All have double glazing, loft insulation and gas central heating.