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Diagram of a house showing how MVHR systems are wired
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Hausmate ventilation control

The ventilation strategy in a building can be as simple as permanently open trickle vents (small holes in selected external walls), through to complex ducted systems which minimise the heat loss associated with cold fresh air entering the building. Hausmate can control and enhance all ventilation strategies.

Ventilation has become a bigger issue as buildings have become more energy efficient. A building loses heat through the fabric (walls, windows, floor, roof) and from ventilation losses. As the fabric has improved ventilation losses have become a larger proportion of the total heat loss. Ventilation losses occur when there is a pressure differential across a property so the warm air is sucked out and cold air blown in.

Reducing these losses is done by building more airtight buildings (in the UK this has been mandatory for new buildings since 2005). However buildings still need to have a supply of fresh air, so more elaborate ventilation systems have evolved to ensure a healthy environment while minimising associated ventilation heat losses. In well insulated and airtight buildings, the ventilation and heating strategies become closely linked and should not be developed in isolation.

The building regulations recognize four ventilation systems; trickle vents and extractors, passive stack, MEV (mechanical extract ventilation) and MVHR (mechanical ventilation heat recovery).

Hausmate smart control enhances each of these systems enable them to work at their most efficient. The following pages expand on the most common of these and how Hausmate controls each.

 

Ventilation is the process of providing fresh air around a building and removing damp and stale air from the building. This is essential to ensure a healthy and comfortable environment.