How Far Should An Exhaust Vent Be From A Window. Vegetation must not be allowed to grow within 3 feet of an exhaust vent. Ducting Air Circulation and Ventilation Systems - How far from a bathroom window must a bathroom exhaust vent be.
This can be reduced to 18 inches if the stove uses an external air source for combustion. Distance to a ventilated soffit roof eaves overhang above the vent terminal within a horizontal distance of two feet from the centerline of the terminal. Taken from a Rheem direct vent water heater installation manual.
Vent Termination must be at least 9 from windows doors or any other opening through which flue gases could enter the building.
The idea is to keep it far enough away so that the exhaust doesnt come right back in the window. A boiler flue should not be placed close to any part of your home that can open such as windows or doors. Distance to a permanently closed or non-operable window. How far does a bathroom vent need to be from a window.
