Heat Recovery Ventilation


What Is a Heat Recovery Ventilation (HRV) System?

Heat recovery ventilation (HRV), is an energy recovery ventilation system which works between two sources at different temperatures.

Heat recovery is a method which is increasingly used to reduce the heating and cooling demands and energy costs of buildings.

A Heat Recovery System balances the amount of air brought into you home with the amount taken out. Heat Recovery Systems are also suitable for old homes. Typically older homes are less well insulated and so every effort to minimise heat loss should be taken.


A heat recovery system is designed to supply conditioned air to the occupied space to continue the desired level of comfort.

The heat recovery system keeps the house fully ventilated by recovering the heat which is coming from the inside environment.

A typical heat recovery system in buildings consists of a core unit, channels for fresh air and exhaust air, and blower fans.

Building exhaust air is used as either a heat source or heat sink depending on the climate conditions, time of year and requirements of the building. Heat recovery systems typically recover about 60–95% of the heat in exhaust air and have significantly improved the energy efficiency of buildings.

Ventilation systems assist in eliminating condensation and can provide excellent heat recovery, creating a much more comfortable healthy home for you and your family.

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