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Split the difference

A "fabric first" approach to building design means prioritising the performance of the building's materials and components before considering mechani ...

Fabric First? Maybe

A "fabric first" approach to building design means prioritising the performance of the building's materials and components before considering mechani ...

Damp and Mould Issues in Homes

Damp and Mould Issues in Homes Damp and mould problems in residential properties can arise from various factors that create unfavourable environmental conditions. Inadequate heatin ...

Retrofit Guide for Homeowners

What is Retrofit? Retrofitting is a specialised step-by-step construction to an existing building to make it more energy-efficient and comfortable for the occupants. It consists of ...

Sick Building Syndrome (SBS)

SBS is characterized by symptoms experienced by several people in the same building during a working day. If 20% of occupants have these symptoms twice a week, it is called SBS. Ac ...
MEV installation -Advice category page

How to install an MEV system?

First, the installation of a Mechanical Extract Ventilation system, or MEV, must be done by a qualified technician. In addition to the information in this article, it is necessary ...

How to maintain a MEV?

For some ventilation systems, such as MEV for buildings with shared occupation, maintenance and servicing of the system is usually mandatory. To determine the maintenance and serv ...

Ventilation and savings

The only role of ventilation used to be to provide the occupants of a dwelling with the fresh air that they needed. Then, with the decree of the 24th of March 1982 in France, venti ...

How to install an air inlet?

Air inlets are essential components of mechanical (MEV), hybrid and natural ventilation systems. Their installation must be perfectly mastered to guaranty optimal functioning.
indoor pollution sources

Indoor pollution sources

The first objective of a ventilation system is to ensure good indoor air quality, replacing stale air with fresh air from outdoors. While indoor pollution – a result of emissions ...