Does Hrv Replace Bathroom Fan

Max out the attic insulation and get those windows upgraded. It would unnecessarily complicate what should be a simple system. Ideally an hrv would be sized to run continuously but if it s drawing 50 cfm out of the bathroom and the bath exhaust fan is pushing 100 cfm out then the bath fan still might reverse the hrv air flow.

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If one of your bathrooms has an exhaust fan that is occasionally turned on the hrv system will continue to work.

Does hrv replace bathroom fan.

Ari marantz is the owner of. Replacement of your fan with an hrv will provide better dehumidification while saving money over the long term due to less warm air loss from your home when operating. Then you need an erv. Bath fan replacement are not top priority until you have done general air tightness and insulation improvements.

Some steady air exchange is probably a good idea and an hrv will be good unless it s more humid outside for significant portions of the year. It could certainly create a short circuit. What is likely to happen is that more stale air will be removed by the hrv from other locations when the bath fan is running and less stale air will be removed from that bathroom by the hrv.

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