Range hood vents should always be located on the outside and they need to terminate at least 3-feet away from windows, doors, and other vents such as bathroom fans. If you have a powered air intake such as from a high efficiency furnace, then the range hood vent needs to be at least 10-feet away.

How far should a range hood stick out from wall?

It should tell you the minimum & maximum distances for hood height. Assuming a wall hood… For moderately strong vents, the typical distance is 30″ off the cooking surface.

What is code for a range hood?





Although the international CFM code for range hoods is 100CFM, some local authorities allow for range hoods with slightly lower or higher CFM than this, depending on the type of your cooking, and the square footage of your cooktop.

Where should a range hood be placed?

Tip: Determine the height of the range hood based on its capacity. Standard models should be installed about 18 to 24 inches above the cooktop surface, while high-capacity hoods are installed 24 to 30 inches above the cooktop.

Do range hoods have to be vented outside?

Range hoods do not have to be vented to the outside. You can purchase hoods without ductwork called ductless hoods. But, ducted range hoods are almost always preferred over ductless hoods.

How high should a vent hood be above the stove?

30” to 36”





For the professional gas cooking ranges, the most common range hood is the 18” canopy wall hood. This type of range hood should be installed at the height of 30” to 36” above the cooktop. A different kind of range hood for professional gas cooking ranges is the vent hood insert/liner.

How much space should be between range and hood?

In general, most installations require a distance from 20″ to 24″ between the bottom of the hood and the cooking surface. Over a gas range, this distance should be between 24″ and 30″, unless otherwise specified. For further information, please refer to the installation manual of your model.

Can you vent range hood through soffit?

You must not vent into the soffits, or even under the soffits unless you are more than a foot and a half below the soffit to allow the wind to dissipate the moisture before it rises back up into the attic.

Is it code to have a vent over the stove?

Most residential building codes do not require a range hood above a stove or cook top, but you’d be wise to ensure your locale is not the exception. Even if it’s not legally required, you should think long and hard before forgoing a hood altogether.

What is code for venting a gas range?



Code 1 – Range Hood Must Vent To Outside



Range hoods always need to vent to the exterior. They can’t exhaust into an attic, a crawlspace, or inside a ceiling cavity. The main code exception is for ductless or recirculating range hoods as long as they are listed and designed for that type of installation.

How do you install a range hood vent through the wall?

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What does externally vented range hood mean?

Range hoods with external venting require an air duct to be installed from the length between the range hood and the exterior vent on the outside of your home.

Can you vent a stove from an interior wall?



The most common way to install your range hood is on an interior wall. Both wall and under cabinet range hoods can be vented on an interior wall. Venting a range hood on an interior wall may seem daunting. But, if you are comfortable DIYing it, you can save money doing the installation yourself.

How do you vent a range hood on an outside wall?

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How do you vent a stove that is not on an outside wall?

One thing homeowners can do is to just make the hood recirculating. A recirculating range hood doesn’t vent to the exterior, it recirculates the air back inside. To make a hood recirculating, a special grease filter must be used that has a charcoal filter and an aluminum mesh.

Do range hoods have to go to the ceiling?

For a ceiling-mounted or island range hood, the duct must run above the ceiling. If you don’t already have the duct in your kitchen, it can be expensive (or sometimes impossible) to install one.

Do ceiling mounted hoods work?



Do ceiling mounted hoods work? Yes, they do work. For maximum efficiency, it’s best to install a ceiling mounted hood that is larger than the cooktop under it. It is also recommended that it be no more than 4 ft.

What is a convertible wall mount range hood?

A convertible range hood is an appliance designed to remove smoke, steam, grease, cooking fumes, and odors from the air in your kitchen, with or without ductwork for ventilation.

Can you mount an under cabinet range hood to the ceiling?

Related Articles. Many kitchen hoods are mounted to a cabinet that is installed above the hood. Some homeowners, however, choose to mount the hood directly to the ceiling and do away with the upper cabinet.