Positive Input Ventilation
Positive Input Ventilation (PIV) is a fan in the loft that draws fresh air in. It loses heat, but is good to deal with condensation.
Unlike MVHR, PIV doesn’t require extensive ducting
Positive Input Ventilation (PIV) is a fan in the loft that draws fresh air in. It loses heat, but is good to deal with condensation.
Unlike MVHR, PIV doesn’t require extensive ducting