Download Bathroom Fan Cfm Recommendations Pics
Download Bathroom Fan Cfm Recommendations Pics. Bathroom vent fans are rated for the amount of air they can move, measured in cubic feet per minute, or cfm. For bathrooms up to 100 sq ft, hvi recommends using an exhaust fan that provides 1 cfm per square foot of floor space.
This shows how much of the air will be pulled out of the room by the exhaust in every given minute. Excess moisture has tremendous potential for damaging bathrooms. The home ventilating institute also recommends adding an additional 50 cfm to every toilet and every toilet and shower or bath combination.
Each bath fan will indicate the maximum square footage it can't ventilate.
If you don't know, dig through that junk drawer and grab the tape measure. Standard fan sizing applies to bathrooms that are 100 square feet or less. This had been occurring because when taking a shower the mirror/windows would fog up and water would essentially condense on the. The power of a bathroom fan is measured in cubic feet per minute (cfm).