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H H o o w w m m u u c c h h a a i i r r f f l l o o w w i i s s r r e e q q u u i i r r e e d d ? ? HVI recommends ventilation rates based on 8 air changes per hour. For most bathrooms this works out to 1 cfm per square foot of area, with a minimum of 50 cfm.
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Sound is paramount for bathroom ventilation; this is a tranquil space that should not be “rattled” by a poor quality fan. Results should be evident, but not heard. Would a fan that also provides light work best in the space to be ventilated? Would a unit that blends into the background best suit the bathroom décor?
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W h h a a t t i i s s H H V V I I ? ? HVI, also known as the Home Ventilating Institute, is an independent non-profit organization that certifies fan performance characteristics and provides HVAC guidelines for consumers. All AeroFans listed in this brochure are HVI certified.