What is a type I ventilation 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. They are commonly referred to as grease hoods and it is required for these hood ducts to be fully welded.
What is the difference between Type 1 and Type 2 hoods?
Because of the grease and grease by-products that are captured by the Type 1 hoods it is suggested to perform more regular cleanings on the types of hoods to help prevent damage and fire risks that can occur due to grease build up. Type 2 Hoods focus on other types of kitchen appliances and equipment that don’t have to pertain directly to cooking.
What are the different types of hoods?
Makeup Air, Condensate Hoods, Type 1, Type 2… all terms you will more than likely see when shopping for a system. While it all may seem like gibberish each system and type pertains to a specific kitchen needs. Today we’re going to run through a quick crash course on the different between Type 1 and Type 2 Hood Systems.
What type of hoods can be installed over heavy-duty appliances?
Type I hoods shall be installed over medium-duty, heavy-duty and extra-heavy-duty cooking appliances.
What is the difference between Type 1 and Type 2 hoods?
So to break it down as simple as possible – go with a Type 1 Hood for cooking equipment that can lead to grease and grease by-products, and go with a Type 2 Hood for other kitchen appliances and equipment that require removal of heat and moisture.
What is a Type 1 canopy hood?
Cooking Type I (Type 1) Type I Commercial Kitchen Ventilation Hoods are designed primarily for fire containment and secondly to capture and remove heat, smoke, condensation and grease by-products from cooking operations.
What is Type 2 Hood?
Type II hoods are often called oven hoods or condensate hoods. They are not intended for use above grease producing appliances. Type II hoods are exhaust only hoods meant to remove heat, moisture, and odors and are primarily used over non-grease producing cooking appliances.
What is type1 vent?
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.
Do I need a Type 2 Hood?
Type II hoods are required to be installed over cooking appliances and dishwashers that produce heat and/or steam. They are not generally required, but can be very helpful, over rice cookers, steam tables, hot dog cookers, warming ovens, and convection ovens.
Do ovens require Type 1 hood?
Know your hood types 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.
What is a Type 1 fire suppression system?
Class 1 fire protection system means a fire protection system that is directly connected to a public water main and on which all sprinkler drains discharge into the atmosphere, dry wells or other safe outlets.
What requires a Type 1 hood?
Type I hoods (commonly referred to as “grease hoods”) capture the air above cooktops, deep fryers, griddles, grills, woks, charbroilers, (tilting skillets, braising & frying pans, infrared broilers, stoves, ranges, barbecue equipment, salaman- ders) and open-flame stoves.
What type hood is required over a commercial dishwasher?
Code requires that a Type II hood be installed over all commercial dishwashing machines.
Do all Type 1 hoods require fire suppression?
Install fire suppression systems: It is required that all commercial appliances under a Type I hood be provided with an approved automatic fire suppression system. This system should comply with the International Building Code and International Fire Code.
What is a Type 1 fire suppression system?
Class 1 fire protection system means a fire protection system that is directly connected to a public water main and on which all sprinkler drains discharge into the atmosphere, dry wells or other safe outlets.
What is the difference between canopy and integrated cooker hoods?
It's main difference is that the parts are different. So your traditional chimney cooker hood has, believe it or not, a chimney, whilst the canopy hood doesn't. This doesn't mean they can't be ducted outside, it just means that they are for the purpose of being installed into chimney breasts that are being concealed.
How does a recirculating canopy cooker hood work?
These cooker hoods push the air through filters. The filters then remove any cooking smells before the air is reintroduced back into your kitchen. Most modern recirculation hoods feature a basic grease filter as well as a charcoal filter, which work together to remove grease, food smells and smoke from the air.
What is a type 1 hood?
Type 1 hoods primarily deal with the removal of grease particles from the air they are often referred to as Grease Hoods. Type 1 hoods are often located above deep fryers, cook tops, open-flame stoves, conveyor-pizza ovens, char broilers, and more – basically kitchen equipment that are used to cook greasy foods.
Why do you need to clean a type 1 hood?
Because of the grease and grease by-products that are captured by the Type 1 hoods it is suggested to perform more regular cleanings on the types of hoods to help prevent damage and fire risks that can occur due to grease build up.
What is a type 1 hood?
Type I hoods shall be installed where cooking appliances produce grease or smoke as a result of the cooking process. Type I hoods shall be installed over medium-duty, heavy-duty and extra-heavy-duty cooking appliances. Exception: A Type I hood shall not be required for an electric cooking appliance where an approved testing agency provides ...
What is the minimum thickness of a Type I hood?
Type I hoods shall be constructed of steel having a minimum thickness of 0.0466 inch (1.181 mm) (No. 18 gage) or stainless steel not less than 0.0335 inch [0.8525 mm (No. 20 MSG)] in thickness.
What type of hoods have grease filters?
Type I hoods shall be equipped with grease filters listed and labeled in accordance with UL 1046. Grease filters shall be provided with access ...
What type of hood supports are needed for a hood?
Type I hoods shall be secured in place by noncombustible supports. Type I hood supports shall be adequate for the applied load of the hood, the unsupported ductwork, the effluent loading and the possible weight of personnel working in or on the hood.
What is the minimum exhaust flow rate for a Type I hood?
Type I hoods shall bear a label indicating the minimum exhaust flow rate in cfm per linear foot (1.55 L/s per linear meter) of hood that provides for capture and containment of the exhaust effluent for the cooking appliances served by the hood, based on the cooking appliance duty classifications defined in this code.
Is a Type I hood required for an electric oven?
Exception: A Type I hood shall not be required for an electric cooking appliance where an approved testing agency provides documentation that the appliance effluent contains 5 mg/m 3 or less of grease when tested at an exhaust flow rate of 500 cfm (0.236 m 3 /s) in accordance with UL 710B.
What is 506.3.7?
506.3.7 PREVENTION OF GREASE ACCUMULATION IN GREASE DUCTS.
How long is a 4 inch overlap?
4INCH (6.4 MM). THE LENGTH OF OVERLAP FOR OVERLAPPING DUCT JOINTS SHALL NOT EXCEED 2 INCHES (51 MM).
Type II Hoods
- Type II hoods are often called oven hoods or condensate hoods. They are not intended for use above grease producing appliances. Type II hoodsare exhaust only hoods meant to remove heat, moisture, and odors and are primarily used over non-grease producing cooking appliances. The …
A Bit More on Hood Configurations
- Whatever hood you choose you also have some additional choices available regarding configuration. Let’s take a quick look at some of those options. The most common configuration for Type I hoods is the wall-mounted style. Wall canopy hoods are finished on three sides and have a front supply plenum. They are used for cooking equipment that is located against a wall. …
Style and Sizing Options
- There are a wide variety of style and sizing options for vent hoods. They can be purchased individually or as a package along with a roof mounted exhaust fan, fan curb, and a make-up air supply unit. Not sure what a fan curb is? Check out this short video.
Vent Hoods and More
- In addition to these types of canopy vent hoods, we also carry a full range of hood accessories, hood filters, and hood cleaning suppliesfrom hood system parts and duct access doors to power washing products. If you need any assistance in selecting a vent hood, just give us a call at 877-394-9731, or send an email to [email protected]. Our product specialists can help make sur…