Assertion: heat recovery ventilation | /r/HasProperty | hrv
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Source sentences:
text: This can be reduced by re-circulating a proportion of internal air with the fresh outside air, or by heat recovery ventilation (HRV) that recovers heat from extract air to pre-heat incoming fresh air using counter-flow heat exchangers.
text: This situation can be mitigated by heat recovery ventilation (HRV).
text: Heat recovery ventilation (HRV), also known as mechanical ventilation heat recovery (MVHR), is an energy recovery ventilation system which works between two sources at different temperatures.