Type 1 hoods are designed to be used with appliances that produce greasy by- products and smoke created while cooking. Type 1 hoods primarily deal with the removal of grease particles from the air they are often referred to as Grease Hoods.

What is the difference between Type 1 and Type 2 hoods?

Type 1 hoods are to be used with appliances that produce grease and smoke. … Type 2 hoods are to be used with appliances that produce only heat and steam and no grease or smoke. Such as dishwashers and pasta cookers.

What are the different types of hood?

• Undercabinet Hoods. These mount under the bottom of a wall cabinet. …
• Wall-Chimney Hoods. Wall-chimney hoods work where there are no cabinets over the range and mount with exposed vent stacks on the wall to vent to the outside. …
• Island Hoods. …
• Downdraft Hood. …
• Ductless Hoods.

What requires a Type 1 hood?

Type I ventilation hoods are required to be installed above cooking equipment that produce grease or smoke. They are specifically designed to remove condensation, heat, smoke, and grease and oil-laden vapors produced by cooking.

What is a Type 2 Hood?

Type II hoods shall be installed above all appliances that produce products of combustion and do not produce grease or smoke as a result of the cooking process. For example, Type 2 hoods are used to exhaust the excess heat produced by ovens, pasta cookers and commercial dishwashers.

What type of hood is required for a pizza oven?

Pizza hoods come in two types: Type 1 pizza oven hoods and Type 2 pizza hoods. Some pizza ovens need a ventilation system that can exhaust grease and oil vapors as well as heat and condensation. Other ovens only need kitchen ventilation hoods for heat and moisture.

What is black iron venting?

Welded Black Iron Grease Duct is designed and created to vent grease laden vapors from commercial cooking equipment to outside the building safely.

Does a pizza oven need to be vented?

Like any solid fuel burning appliance, a pizza oven does need to be vented. Venting your pizza oven with a chimney ensures a few things – keeping the flames burning efficiently, removing smoke from inside the oven that could taint your food, and stopping smoke from blowing out into your face.

Does Type 2 hood need fire suppression?

Fire-extinguishing system is required. No requirement.

Do countertop fryers need a hood?

Type I hoods are required for equipment that produce smoke or grease-laden fumes. This includes equipment such as fryers, ranges, griddles, convection ovens, tilt skillets and broilers. Type II hoods are used where grease isn’t present to remove steam, vapor and odors.

Article first time published on

How much does it cost to put in a hood system?

The average cost of installing a commercial hood ranges from $964 to $1,174 per square foot. A 12-foot long kitchen range good may cost about $12,828 to install. Most commercial hoods measure about 10 to 14 feet long which marks the installation costs at $9640 on the lower side and $16,436 on the higher side.

Does a steam table have to be under a hood?

Most traditional steamers are required to be under a hood; at least a condensate hood. They also typically require a water line and a drain. There are also very few exceptions to the requirement of a water filtration system. Today there is microwave technology for steaming that doesn’t require any of the above.

Why are range hoods so expensive?

It is More Expensive The price of range hoods depends on several factors such as the CFM rating, the special features it comes with as well as its mode of blowing. The stronger the range hood, the higher its CFM rating and this makes it even more expensive.

What size range hood do I need for a 30 range?

What size range hood do I need for a 30” cooktop? With a 30” range, a 36 inch range hood is your best choice.

What is a Type 1 restaurant?

A Type I restaurant vent hood is designed for the removal of condensation, heat, smoke, and other greasy by-products of cooking. Taking that into account, this kind of hood is commonly referred to as a “grease hood.” Grease and associated by-products are produced when cooking animal protein.

What can you cook with type 2 Hood?

Type 2 hoods, also called condensate hoods, are only for use over non-grease producing appliances such as dishwashers, soup stations, and some types of pizza ovens.

What is Backshelf hood?

Backshelf (low proximity) hoods provide grease exhaust in applications where an overhead canopy is not desirable or practical (such as a low ceiling height application). Backshelf hoods are not recommended for high-heat and high-grease producing equipment or open-flame equipment such as charbroilers.

What is grease duct made of?

Field fabricated is typically made from 16 gauge carbon steel, all welded per local codes, which is then externally treated with fireproofing.

What is Black iron steel?

In this context, ‘black iron’ is just slang referring to steel pipe with black paint on it or no paint on it as opposed to being galvanized. As the son of a plumber from before the age of plastic pipe, “black iron” was used on gas pipes (and often still is), whereas galvanized piping was used on waste piping.

Do pizza ovens require Type 1 hoods?

Type 1 Hoods allow pizza oven exhaust and smoke to vent directly into the hood, where it is filtered before entering the duct system. This filtration helps prevent fires by keeping grease and the combustible residue that leads to creosote buildup out of the ducts.

Is a vent hood required?

Most states and local municipalities require that you install a range hood with a fan that is vented outside the house. Contrary to the non-vented range hood that just recirculates the air, this is meant to ensure that you and your family are breathing fresh air from outside.

Do you need a hood for a convection oven?

In residential homes, a convection oven does not require a range hood. … If you use multiple ovens, you’ll definitely want a range hood. Otherwise smoke, grease, and contaminants will linger in your kitchen. In most commercial settings, convection ovens that produce heat or steam require a vent hood.

Is a kitchen exhaust fan required by code?

Kitchens must be vented with a minimum of 25 CFM of continuous air or 100 CFM intermittent air. This is so little CFM that you don’t need a range hood to reach this threshold. In fact, residential exhaust fans can reach up to 2000 CFM.

Why is the chimney at the front of a pizza oven?

In the traditional wood oven ventilation design, the vent is located in front of, and above, the oven opening, and the chimney runs straight up. The vent and chimney create a strong draw, helping pull hot air out of the oven chamber and increasing the oven’s natural convection.

Do you close the door on a pizza oven?

The oven door and chimney should be closed so as to prevent unnecessary release of heat. Leave the oven sit for 5 minutes to allow the heat to evenly distribute. If this is not done it is likely that hot spots will be present within the oven which will lead to the pizza or other foods cooking unevenly.

Why does my pizza oven smoke so much?

Fuel is the wood. The key is to not add too much wood for the amount of heat, otherwise the fire can’t combust it fully. If you add too much wood early on then you will get more smoke – build it up slowly. Oxygen allows the fire to burn efficiently so make sure there is enough airflow.

Can you cook without a hood?

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.

Do you need a hood for electric oven?

The truth is that you should consider a vent for your electric stove. Even if you cook one or two times a week, a vent hood can be beneficial for you. It will clean your indoor air and improve your indoor air quality. For electric stoves, we recommend a range hood of at least 600 CFM.

Does a steam kettle need to be under a hood?

In general, most steam kettles should be kept under a hood. Since these kettles produce steam, it’s important to make sure they are located under a Type II hood. It’s important to note that some microwave steamers don’t require a floor drain or water supply, meaning that they don’t need to be placed under a hood.

Can you replace a microwave with a range hood?

Can you replace a microwave with a range hood? Yes! Many people replace their over the range microwave with a ducted or ductless range hood. Range hoods are the much more flexible and versatile option when it comes to ventilating your cook space, compared to microwave hoods.

Does a panini press require a hood?

An electric fryer, for example, will always need a hood because of the smoke produced when cooking with grease. Some of the more strict jurisdictions require a hood included for equipment that does not usually necessitate one, such as steam tables, dishwashers, and panini presses.