Humidity can be expressed in different ways which can lead to confusion if the incorrect term is used. This guide explains the different terms and how they are used in practise. Relative humidity (RH) Expressed commonly as a percentage value ‘%rh’, this refers to how saturated a gas (or space) is with water vapour compared […]
Have you ever received a surveyor’s or a damp-contractors report only for your heart to sink when you read that they have found evidence of rising damp? Perhaps you have been told that your only (expensive!) course of action to remove damp is to chip off the plaster, inject chemicals into the wall, leave it […]
A new range of fans have been introduced that provide powerful yet low cost condensation control and dehumidification, this is achieved by the use of intake and extract ventilation combined with a heat source. In this case we have combined an extractor and intake fan and enabled the pair to fit on to a standard […]
Is replacing roof top fan systems the way to go? A recent appraisal carried out by a local authority provides a cost comparison of individual roof top fans installation vs replacing existing, along with the advantages of discrete fans. Integrated fire protection to each property Each dwelling having its own fan with integrated fire protection […]
Can a home ventilation extractor fan be too powerful? Well, it turns out that it can be too powerful, and the consequences of that can be quite serious for the occupants’ health. Recently we carried out a full site inspection to discover mould issues in a large residence in Mayfair. A micro bacterial analysis indicated unacceptably high […]