QA

Is Vent Hood Required By Code

In restaurants, vent hoods are required. This is what the ICC Mechanical Code says: “Type I hoods shall be installed where cooking appliances produce grease or smoke as a result of the cooking process.” Commercial vent hoods require make up air and a fire suppression system to ensure their safe use.

Does a gas range require a vented hood?

Most gas ranges in the United States do not require venting to the outside. We recommend venting any gas range to the outside of your home. A professional-grade range hood will evacuate harmful cooking fumes, reduce cooking odors, and improve your health and safety.

Is a vent hood necessary?

Without question. It’s far preferable to vent the air outdoors than to recirculate it into the room. A vented hood that removes steam, smoke, heat, and cooking odors is the best way to keep your kitchen clean, since it gets rid of grease particles that would otherwise accumulate on your walls and cabinets.

How do you vent a kitchen without a hood?

10 Things to Do If You Don’t Have a Range Hood or Vent Use a window fan. Use a portable HEPA air filter. Use a fan in another room, like the bathroom. Get a grease splatter guard. Wipe down your kitchen cabinets frequently. If you paint your kitchen, use a satin or semi-gloss finish, or choose scrubbable paint.

How high should a vent hood be above a gas range?

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.

Can you use a ductless range hood with a gas stove?

A non ducted or ductless range hood is not the best option for gas stoves because they work by filtering the air inside the hood and returning it into the kitchen. Even if you have a hood with a high CFM rating, charcoal filters will not capture all the gas produced by the stove.

Does a range hood 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 much does it cost to install a hood vent?

In general, plan on about $200 to $500 depending on the complexity of your installation. This includes the labor cost of installing a new vent hood and does not include parts, adding or modifying ductwork, or electrical work.

What type of duct is best for venting a range hood?

Rigid duct is the best type of duct to vent your range hood. It requires a one-time installation and little to no maintenance as long as you clean your range hood filters. Most rigid ductwork is made from durable stainless steel, as opposed to rigid ductwork which is aluminum or flimsy plastic.

Is it bad to cook without a vent?

It is not safe to cook without a range hood. Everyday cooking produces harmful contaminants including carbon dioxide, carbon monoxide, formaldehyde, and more. Without proper ventilation, these toxins sit in your kitchen and move to other areas of your home.

What happens if you don’t have a vent hood?

Having ventilation in your kitchen is essential even if you’re not cooking frequently. If you don’t have a range hood, you could be dealing with pollutants, splatters and smells that stick around.

How does a ductless range hood work?

How does a ductless range hood work? A ductless range hood works by sucking greasy kitchen air through mesh or baffle filters. Once the air passes through these filters, it moves through carbon filters that trap dirt and neutralize strong cooking odors.

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.

Do ductless range hoods plug in?

Ductless range hood models do not vent to the outside of your home; the fan circulates air through a charcoal filter. Most basic range hoods are directly wired into the home’s electrical system, whether they are ductless or ducted.

How deep should my range hood be?

The ideal depth of your hood should completely cover the all of the burners, with complete coverage of all back burners and at least half of all front burners. The depth should be approximately 2′-3″ less than the depth of your cooking surface to ensure that you will not bump your head while cooking.

Do ductless range hoods remove smoke?

A ductless (or ventless) range hood does not vent out of the home, instead, it carries the debris and smoke form the air and filters it through a charcoal or carbon filter before releasing it back into the room. While many times this method is not as functional as a vented hood, it does work.

What is the difference between duct and ductless range hoods?

A ducted model releases moisture and other airborne particles outside the kitchen. This means that your kitchen will remain cooler and drier. A ductless range hood may filter the dirty air from your cooktop but your kitchen will retain the heat and moisture when the air is recirculated back to the room.

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.

Is it OK to vent range hood into attic?

It is definitely not a good idea to vent a range hood into the attic. Ideally, the range hood should be vented to the outside, usually through the roof. This requires installing some ductwork, but is worth the extra work and expense.

Should I vent my range hood through the roof?

Venting your range hood into the attic essentially defeats the purpose of having a ducted range hood. Not to mention that over time, the grease buildup may damage your attic. If you’re venting your range hood out of an exterior wall, you don’t need to worry about venting your roof.

How much does it cost to vent a range hood outside?

Cost to Vent Range Hood Outside The cost of installing the ductwork needed to vent a range hood outside is about $500, depending on the labor it requires and the cost of the new ductwork.