Positive Input Ventilation (PIV): Does It Work?
Positive Input Ventilation is a popular whole-house approach to condensation. Here is a neutral look at how it works, where it shines and where it falls short.
Updated 24 October 2026 · 3 min read
Ventilation removes moist air before it can condense, and it is central to controlling condensation and mould. Options range from simple trickle vents and extractor fans to whole-house mechanical systems. This hub explains how each works and where it fits.
Positive Input Ventilation is a popular whole-house approach to condensation. Here is a neutral look at how it works, where it shines and where it falls short.
Updated 24 October 2026 · 3 min read
Mould needs moisture, and poor ventilation lets moisture linger. Here is how airflow breaks that cycle — and the cases where ventilation alone will not solve the problem.
Updated 24 October 2026 · 3 min read
Ventilation is the quiet workhorse of a healthy home. Understanding how fresh air moves through a house explains why it is central to controlling damp and mould.
Updated 23 October 2026 · 3 min read
The bathroom is the wettest room in most homes, and a good extractor fan is the front line against steam, condensation and mould. Here is how to choose and use one well.
Updated 23 October 2026 · 3 min read