Heat recovery ventilation is a system which comprises of a heat recovery unit and a series of small ducting connected to rooms, designed to provide appropriate ventilation in line with part F of the building regulations.
Also known as HRV ( heat recovery ventilation ) or MVHR (mechanical ventilation heat recovery ) the system employs a counter flow heat exchanger that has the ability, even at low ambient, to provide partially tempered, warmer, fresh air recovered from outgoing, stale, extract air, saving energy by reducing the heating requirements.
As building efficiency improves year on year with insulation and infiltration stripping, as well as further changes to the Building Regulations, ensuring adequate ventilation for dwellings is more important than ever.
With Part L dictating that carbon emission levels will have to be cut, ensuring homes become more airtight and less ventilated, it is not surprising that interest in whole house ventilation systems has increased. The MVHR system ensures a fresher, warmer and more comfortable environment.
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