Assertion: energy recovery ventilation system | /r/HasProperty | hrv
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Source sentences:
text: A heat Recovery Ventilation system (HRV) also known as mechanical ventilation heat recovery (MVHR) is an energy recovery ventilation system that uses an air-to-air heat exchanger that recovers normally wasted heat while at the same time supplying fresh highly filtered air improving the indoor environment
text: A heat-recovery ventilation system (HRV) lets you ventilate your home without expelling expensively heated or cooled air.