Heat Recovery Fans
Heat recovery fans control humidity levels and reduce the likelihood of condensation. This heat exchange ventilation unit provides a continuous air change with minimum heat loss. The HRV 150 provides an effective solution for severe condensation problems.
Unlike conventional extractor fans, heat recovery ventilators contain two fans, one to take out household air and the other to draw in fresh air. The two air streams flow through a highly efficient heat exchange unit via a series of narrow alternating passages. The heat energy in the extracted air is transferred to the incoming fresh air. The airstreams never mix allowing 80% of the exhaust heat energy to be recovered and reused.
The heat recovery fans run continuously at low speed providing constant background ventilation. When the humidistat registers high level of humidity the ventilaton unit switches to boost setting to quickly expell the moisture laden air to control condensation.
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