Category: IWI

November 20, 2025

How To Calculate POMI and POPT For IWI

Description This training guide explains how to calculate the percentage of measure installed (POMI) and percentage of property treated (POPT) for IWI. In short, you need to know the total area of the element that could be treated and divide that into the total area […]

August 22, 2025

Wet rooms ventilation and IWI installation

This post is for people involved in domestic retrofitting of energy efficient measures. It is an overview of what constitutes a wet room and how this effects ventilation and IWI installation to properties that have Kitchen/diners, through lounges, open plan properties, etc, and a bit […]