Heat Recovery Ventilators: Fresh air in and stale, polluted air out.
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![MVHR - Mechanical Ventilation with Heat Recovery - Energy Recovery [Heat Recovery] - MVHR - Fantech](https://energyrecovery.com.au/images/MVHR/MVHR_House.png "MVHR - Mechanical Ventilation with Heat Recovery - Energy Recovery [Heat Recovery] - MVHR - Fantech")
MVHR - Mechanical Ventilation with Heat Recovery - Energy Recovery [Heat Recovery] - MVHR - Fantech
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Mechanical ventilation with heat recovery - Centre for Sustainable Energy
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