Bathroom Ventilation Solutions Brochure

Bathrooms
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5Bathrooms
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5
RoofCap
RC 6
FC 6
MountingClamps
A simple tip to help you size
a fan for your bath
IF YOUR BATHROOM IS 100 SQ.FT. OR SMALLER
AccordingtotheguidelinesofHVI(HomeVentilating
Institute)bathsthatare100sq.ft.orsmallerrequire
1CFMpersquarefootofbathroomoraminimum
50CFMoffreshairow.Tondthesquarefootage
simply multiply the length of the bath by the width.
Forproperairowintypicalinstallations(when
ductlossesaren’tcalculated),usethe0.4”P
s
(static
pressure)ratingpointforcorrectfanselection.
IF YOUR BATHROOM IS OVER 100 SQ.FT.
Ventilationforbathsover100sq.ft.iscalculated
basedonthexturesinthebath.Allow50CFMfor
each standard toilet, shower or tub. Whirlpool and
jettedtubsarecalculatedat100CFM.Addupthe
CFMsforallxturesandyouwillhavecalculatedthe
totalCFMsrequired.
We recommend that steam showers use a separate
fan on a timer so that the fan may be shut off during
shower use and then run afterward to dry the
shower stall.
FY 644
Y-adapter
Part of a Premium
Bath Fan kit
Recommended
accessories