Q. What features must an exhaust duct have if they are designed to vent outside?
The exhaust duct outlet vent on the exterior of the home should be located at least 10 feet from any air inlet. The outside termination should be covered with louvers, a screen, or a grille. The range hood duct should have a smooth interior finish, be airtight, and equipped with a backdraft damper (2009 IRC M1503).
Q. Do I have to have a hood over my stove?
Do I need a range hood for a gas stove? Yes. Gas stoves produce intense heat and smoke, so you need a kitchen fan that can vent heavy cooking exhaust outside your home.
Table of Contents
- Q. What features must an exhaust duct have if they are designed to vent outside?
- Q. Do I have to have a hood over my stove?
- Q. How far can a range hood be vented?
- Q. Is a hood required over a stove?
- Q. How big of a vent do I need for my range hood?
- Q. What are the code requirements for a range hood duct?
- Q. How does a range hood discharge to the outside?
- Q. Why are range hoods required by local codes?
Q. How far can a range hood be vented?
How far can you vent a range hood? Your range hood duct should not exceed 30′ for a straight run, 25′ for a run with one elbow, and 20′ for a run with two elbows. The shorter the duct, the better. If your ductwork is too long, your kitchen air may not reach the outside.
Q. Is a hood required over a stove?
Q. How big of a vent do I need for my range hood?
How far can you vent a range hood? Your range hood duct should not exceed 30’ for a straight run, 25’ for a run with one elbow, and 20’ for a run with two elbows. The shorter the duct, the better. If your ductwork is too long, your kitchen air may not reach the outside.
Q. What are the code requirements for a range hood duct?
The general requirements of the International Residential Code (IRC-M1503.1 and.2) for range hoods are: •• Must discharge to the outdoors (not terminate in attic). •• Have a smooth interior surface.
Q. How does a range hood discharge to the outside?
Range hoods shall discharge to the outdoors through a single-wall duct. The duct serving the hood shall have a smooth interior surface, shall be air tight and shall be equipped with a backdraft damper.
Q. Why are range hoods required by local codes?
They are meant to make the environment safe and meet the necessary standards for quality life. A kitchen, being the most sensitive room in any house has certain codes that must be met. One of those codes is having a range hood over your cooktop, and the range hood too must be under certain international, national and local codes.
