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Instructions for the installer
6. Ventilation preparation
Before installation of the exhaust hood, consult local or regional building and installation codes for
additional specific clearance requirements. Refer to the range hood installation instructions
provided by the manufacturer for additional information.
For wall installations, the hood should be equal or larger width than the range. Where space
permits, a hood larger than the range may be desirable for improved ventilation performance.
For island installations, the hood width should overhang the range by a minimum of 3" (76mm)
on each side.
For best removal of smoke and odors, the lower edge of the hood should be installed between
25" ½ (65 cm) and 31" ½ (80 cm) above the range cooking surface.
If the hood contains any combustible materials (i.e. a wood covering), it must be installed at a
minimum of 36" (914 mm) above the cooking surface.
Due to the high volume of ventilation air, a source of outside replacement air is recommended.
This is particularly important for tightly sealed and insulated homes. A qualified heating and
ventilating contractor should be consulted.
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