1350 Exhaust System Components - Insulation Energy Efficiency - Venting Living -

Image Text: Fan should be quiet so that people will use it > bathroom > control may be manual, by timer and/or by humidistat > discharge should be to outside, at least 4 inches to 8 inches above grade and at least 6 feet from other mechanical inlets for the house > discharge should not be below decks or in garages, crawlspaces or other confined areas > the termination should be hooded and should have a flap to prevent backdraft > range hood > stove