Does a range hood have to vent outside | Kitchen Remodel Milpitas

Q: Does a range hood have to vent outside?

A range hood that vents outside removes smoke, moisture and cooking byproducts from the house, while a recirculating hood only filters the air and returns it to the kitchen. Ducted hoods are the stronger choice whenever a duct route exists. Local rules can make the choice for you. San José, for example, states on its kitchen remodel page that kitchen exhaust fans must be ducted to the exterior. In Milpitas, installing or replacing a hood or its ductwork needs a mechanical permit from the Office of Building Safety. Where ducting is hard, as in some condos or under a second floor, a remodeler can look for a path through a cabinet, soffit or exterior wall before you settle for recirculation.

Local rules can make the choice for you. San José, for example, states on its kitchen remodel page that kitchen exhaust fans must be ducted to the exterior. In Milpitas, installing or replacing a hood or its ductwork needs a mechanical permit from the Office of Building Safety.

Where ducting is hard, as in some condos or under a second floor, a remodeler can look for a path through a cabinet, soffit or exterior wall before you settle for recirculation.

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Does a range hood have to vent outside?

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