Choosing the correct commercial vent hood is critical for maintaining air quality, ensuring a comfortable room temperature, and averting fire hazards. Your kitchen’s equipment type and local commercial kitchen hood code requirements will influence the type of hood you require. This section will discuss the types of hoods you’re likely to find in a commercial setting, including the various hood styles and fire suppression systems to ensure you select the right ventilation for your kitchen.
Commercial Kitchen Hood Types
Commercial hoods are classified into two categories: Type 1 and Type 2, based on their ability to handle grease.
Type 1 Hoods
are designed for use over equipment that produce grease and smoke such as fryers, broilers, ranges, and tilt skillets. They necessitate regular cleaning to prevent grease buildup, which could lead to a fire hazard.
Type 2 Hoods
are utilized over equipment that produces heat and steam such as dishwashers, steam tables, and certain types of ovens. They are not designed for use over grease-producing equipment.
Type 1 hood vs type 2 hood
Type 1 and Type 2 hoods serve different purposes in a commercial kitchen. While Type 1 hoods are designed for equipment that produces grease and smoke, Type 2 hoods are better suited for equipment that produces excess heat and steam. It is important to know the distinction between these two types of hoods to ensure the proper hood is selected for your kitchen.
Comparison Table: Type 1 Hood vs Type 2 Hood
| Type | Purpose | Suitable Equipment |
| Type 1 | To handle grease and smoke | Fryers, broilers, ranges, tilt skillets |
| Type 2 | To handle heat and steam | Dishwashers, steam tables, certain types of ovens |
Make Up Air for Range Hood
A make-up air system compensates for the air being removed by the exhaust hood in your kitchen. It’s crucial in situations where the kitchen lacks sufficient fresh air to replace the air exhausted by the hood. When a kitchen exhausts air, it creates a vacuum that can be dangerous. This is because the negative pressure created will cause fumes to escape from any cracks or crevices in the room, potentially causing an explosion.
Types of Make Up Air for Range Hoods
There are two forms of make-up air systems:
Passive Make-Up Air Systems
Passive Make-Up Air Systems rely on natural airflow to bring fresh air into the kitchen through vents, windows, or fans. This method is more cost-effective and easier to install but may not be as effective in larger kitchens or buildings.
Mechanical Make-Up Air Systems
Mechanical Make-Up Air Systems use mechanical equipment such as fans to bring fresh air into the kitchen. These systems are typically more expensive but provide a consistent airflow throughout the kitchen, making it ideal for larger spaces.
Range Hoods
Range hoods are essential in commercial kitchens as they help to eliminate smoke, steam, and odors produced when cooking. They also prevent the buildup of grease on surfaces, which can lead to a fire hazard if not cleaned regularly.
Range Hood Types:
Aside from the aforementioned types of range hoods, there are also other range hood styles that you can choose from depending on your kitchen’s needs and specifications. These include:
Wall-mounted hoods
Wall-mounted hoods are attached to the wall above a cooktop or range. Wall mount range hoods are the most commonly used type of range hood and come in various designs to match different kitchen styles.
Under cabinet hoods
installed under a cabinet above the cooktop or range. Under Cabinet hoods are great for smaller kitchens with limited space.
Island hoods
Mounted on the ceiling above an island cooktop or range. These hoods are perfect for open-concept kitchens with a central cooking area.
Downdraft hoods
Built into the cooktop or range and rise up to capture fumes when in use. This Retractable downdraft hoods are great for minimalist kitchen designs but may not be as effective in removing smoke and odor compared to other types.
Ductless/recirculating hoods
Ductless range hoods filter air and recirculate it back into the kitchen, rather than venting it outside. These hoods are ideal for kitchens without access to external venting and can be installed in any type of kitchen.
No matter which type of range hood you choose, it is important to properly maintain and clean it regularly to ensure its efficiency in removing smoke, grease, and odor from your kitchen. Make sure to refer to the manufacturer’s instructions for proper care and maintenance.
Additionally, consider consulting with a professional when installing a range hood, especially if you are adding a new duct system or converting from a non-ducted to a ducted system.
These are ideal for kitchens without access to an exterior wall or roof for venting.
Materials and Finishes
Exhaust hoods are available in a variety of materials and finishes, allowing you to choose one that complements the overall design of your kitchen. Some common options include:
- Stainless Steel is a popular choice for its sleek and modern look, durability, and ease of cleaning.
- Copper offers a warm and rustic feel to your kitchen, with the added benefit of being naturally antimicrobial.
- Glass is an attractive option that can make smaller kitchens feel more open and spacious. It’s also easy to clean and maintain.
- Wood hoods add a touch of natural beauty and warmth to your kitchen. They can be stained or painted to match any design style.
- Carbon Fiber is a lightweight and high-performance option that adds a modern touch to your kitchen.
Other materials such as stone, brick, or tile can also be used for the exterior of exhaust hoods, giving you even more options for customization.
Restaurant Hood Systems
Every commercial kitchen must safely vent heat, smoke, and grease-laden air to prevent fires and ensure the safety and comfort of employees. Various restaurant hood systems are designed for specific equipment and kitchens to comply with code requirements.
Ventless Hoods
Ventless Hoods are self-contained and do not require ductwork, making them ideal for small kitchens where installing a traditional hood is not feasible. They use a combination of filters to remove grease and odors from the air before returning it to the kitchen.
Wall-Mounted Canopy Hoods
Wall-Mounted Canopy Hoods are attached to the wall above cooking equipment and require a duct system to vent air outside. Wall mount canopy hoods are the most popular type of hood and come in a variety of sizes and designs to fit different kitchen layouts.
Island Canopy Hoods
Island Canopy Hoods hang from the ceiling above cooking equipment on an island or peninsula. They also require ductwork for proper ventilation, but are aesthetically pleasing and allow more space for movement in the kitchen.
Backshelf Hoods
Backshelf Hoods are similar to wall-mounted canopy hoods but have a shelf at the back, providing additional storage for pots and pans. They are commonly used in smaller kitchens with limited space.
Eyebrow/Proximity Hoods
Eyebrow/Proximity Hoods are designed to capture cooking pollutants directly from the source, such as grills or fryers. They are smaller and more specialized than other hood types.
Dishwasher Hoods
Dishwasher Hoods are designed to capture steam, condensation, and grease from commercial dishwashers. They typically have low airflow rates compared to other hoods and require regular maintenance to prevent clogs.
Pizza Oven Hoods
Pizza Oven Hoods are specifically designed for high-heat cooking equipment, such as pizza ovens, that produce a lot of smoke and grease. They have a larger capture area and higher exhaust rates to effectively remove these pollutants.
Exhaust Fans
Exhaust Fans are used in addition to hoods to provide general ventilation for the entire kitchen space. They come in different sizes and airflow rates depending on the size of the kitchen and its ventilation needs.
In addition to these types of hoods, there are also various features and options to consider when choosing the right one for your kitchen. These include:
- CFM (Cubic Feet per Minute) Rating indicates the amount of air a hood is capable of moving per minute. Higher CFM ratings are better for larger kitchens or commercial settings with heavy cooking.
- Ducted vs. Ductless hoods differ in how they vent air. Ducted range hood have a duct system that leads to the outside, while ductless hoods use filters to clean and recirculate air back into the kitchen.
- Noise Level is an important consideration for open kitchen layouts or homes with noise-sensitive residents. Make sure to check the decibel rating of the hood before purchasing.
- Lighting options include different types and amounts of lighting for better visibility while cooking. Some hoods even have energy-efficient LED lights built in.
- Controls can be either manual or electronic, with various features such as multiple fan speeds and automatic shut-off timers. Choose a control type that is easy to use and suits your needs.
- Design is also an important factor in choosing a hood, as it should complement the overall aesthetic of your kitchen. Hoods come in various styles and finishes to match different kitchen designs.
When selecting a hood for your kitchen, it’s important to consider not only its functionality but also its energy efficiency. Look for hoods that are Energy Star certified, which means they meet high standards for energy efficiency set by the Environmental Protection Agency.
Kitchen Hood Styles
There are six fundamental hood styles found in commercial kitchens. The right hood style for your kitchen will depend on the type of equipment you’ll be placing under the hood and your preferred method of mounting the hood. The following are the most common kitchen hood styles:
Wall-mounted hoods
Wall-mounted hoods are mounted against a wall and extend over the cooking range or stovetop. They come in various sizes and designs, making them suitable for different kitchen layouts.
Under-cabinet hoods
Under-cabinet hoods are installed under cabinets above the stovetop, saving space and providing a sleek, built-in look. They are ideal for smaller kitchens or those with limited wall space.
Island hoods
Island hoods are mounted to the ceiling above an island cooktop or range. They provide ventilation without being obstructed by cabinets or walls and can also serve as a focal point in the kitchen.
Downdraft hoods
Downdraft hoods are installed behind or next to a cooktop and rise up from the counter when in use. They are suitable for kitchens with limited ceiling space or those looking for a more discreet hood option.
Ceiling-mounted hoods
Ceiling-mounted hoods are mounted to the ceiling and can cover larger cooking surfaces, such as ranges or multiple stovetops. They provide powerful ventilation and can be a stylish addition to modern kitchen designs.
Wall-mounted canopy hoods
Wall-mounted canopy hoods are similar to traditional wall-mounted hoods, but they feature a longer and wider design that covers more of the cooking surface. They are often chosen for larger kitchens or commercial settings.
Vent Hood and its Types
Vent hoods are an essential part of any kitchen, as they help remove smoke, steam, and cooking odors from the air. Vent hoods comes in various styles to suit different kitchen designs and needs.
Types Of Vent Hood:
Ducted hoods
Ducted range hoods use a duct system to vent air outside of the house. They are effective in removing all types of pollutants but require proper installation and maintenance to prevent air leaks.
Ductless hoods
Ductless hoods use a filtration system to clean and recirculate air back into the kitchen. They are easy to install but may not be as effective in removing all odors and pollutants.
Convertible hoods
Convertible range hood can be used as either ducted or ductless hoods, giving homeowners the option to switch between the two based on their needs or kitchen layout.
Island hoods
Island hoods are designed specifically for kitchens with a cooking island in the center. They are usually ceiling-mounted and provide ventilation for cooktops that are not against a wall.
Factors to Consider When Choosing a Kitchen Hood
When selecting a kitchen hood, there are several factors to consider to ensure that it meets your needs and fits in with your kitchen design. Some important considerations include:
Size
The size of the hood should be proportional to the size of your cooking surface. A larger cooking surface will require a larger hood to effectively remove smoke, grease, and odors.
Ventilation power
Make sure the hood has enough ventilation power for your cooking needs. This is measured in cubic feet per minute (CFM) and should be at least equal to the BTUs of your cooktop or range.
Style
Consider the overall style of your kitchen and choose a hood that complements it. Whether you prefer a sleek, modern design or a more traditional look, there are hoods available in various styles and finishes to match your kitchen decor.
Mounting options
As discussed earlier, there are various mounting options for kitchen hoods. Consider which type will work best in your kitchen based on space limitations and aesthetic preferences.
Noise level
Some hoods can be quite loud while operating at high speeds. If noise is a concern for you, look for hoods with lower decibel ratings.
Maintenance
Kitchen hoods require regular maintenance to function properly and efficiently. Look for hoods with easy-to-clean filters and detachable components for easier cleaning.
Budget
Finally, consider your budget when choosing a kitchen hood. Hoods come in a wide range of prices depending on the brand, features, and materials used.
By carefully considering these factors, you can find the perfect kitchen hood for your needs and create a functional and stylish cooking space.
However, installing a kitchen hood is not the end of your responsibilities.
Commercial Fire Suppression Systems
Fire suppression systems are often required to meet health codes for Type 1 hoods. They play a crucial role in preventing kitchen fires, in addition to proper hood design and regular cleaning and maintenance. These systems can detect a fire and automatically dispense chemicals to suppress it.
- Types of suppression agents: There are various types of suppression agents used in commercial fire suppression systems, such as wet chemical, dry chemical, and gaseous agents. Each type is designed for specific fire hazards.
- Installation and maintenance: It is important to have a professional install and regularly maintain your commercial fire suppression system to ensure it is functioning properly in case of a fire emergency.
- Regular inspections: Health and safety regulations often require regular inspections of the fire suppression system. These inspections also help identify any potential issues that may affect the system’s effectiveness.
- Proper training: All staff members should be trained on how to use the fire suppression system in case of a fire emergency. This includes knowing how to activate the system, understanding which agents to use for different types of fires, and how to safely evacuate the building.
- Emergency preparedness: It is crucial to have an emergency plan in place in case of a fire, including having a designated evacuation route and meeting point outside the building. Regular fire drills can help ensure staff members are prepared to act quickly and safely in case of a fire.
- Additional safety measures: In addition to a commercial fire suppression system, other safety measures such as smoke detectors, fire alarms, and sprinkler systems should also be in place. These can help detect and alert individuals of a potential fire before the suppression system needs to activate.
- Regular maintenance and testing: It is important to schedule regular maintenance and testing of the fire suppression system to ensure it is functioning properly. This can include checking for any leaks, replacing expired agents, and testing the system’s activation.
- Training for new employees: Whenever new staff members join the company, they should be trained on how to use the fire suppression system as part of their overall onboarding process. This will help ensure all employees are knowledgeable and prepared in case of a fire emergency.
- Communication: Clear communication is essential when it comes to fire safety. Make sure all staff members know how to report a potential fire and who to contact in case of an emergency. It is also important to regularly communicate any updates or changes to the fire suppression system or emergency evacuation plan.
- Regular inspections: Along with maintenance and testing, regular inspections should also be conducted by a certified professional to ensure the fire suppression system is up to code and compliant with local regulations. This can help avoid any potential safety hazards or fines for non-compliance.
Ventless Hoods
Ventless hoods, also known as recirculating hoods, are self-contained units that do not require external ductwork. They filter the cooking air and return it back into the kitchen, eliminating the need for a vent to the outside. They can be a practical solution for smaller kitchens or those with limited ventilation options. However, they are not suitable for heavy-duty cooking and may require more frequent filter replacements. It is important to research and consider all options before deciding on a ventless hood for your kitchen. Additionally, regular maintenance and cleaning of the filters is crucial to ensure proper functioning and safety.
Fire Safety Training
In addition to training employees on how to use the fire suppression system, it is also important to provide general fire safety training for all staff members. This can include how to identify potential fire hazards, what to do in case of a fire, and how to use a fire extinguisher. Regular training sessions can help keep employees informed and prepared in case of an emergency. It is also important to regularly update and refresh this training as needed.
Emergency Response Plan
Having a well-planned emergency response plan is crucial in any business, especially in the food service industry where fires can occur. This plan should include designated evacuation routes, emergency contact information, and procedures for handling various types of emergencies. It should also be regularly reviewed and updated to ensure it is effective in the event of an emergency. Training employees on this plan and conducting practice drills can also help ensure a timely and organized response in case of a fire.
Fire Safety Policies
Having clear and comprehensive fire safety policies in place is crucial for the overall safety of your establishment. This should include procedures for reporting potential fires, emergency evacuation plans, and designated meeting points for employees and customers. It is important to regularly review and update these policies as needed to ensure they are effective in case of an emergency. Making sure all employees are aware of these policies and know their roles in case of a fire can help prevent chaos and confusion in an emergency situation.
Energy Efficiency Considerations
When it comes to kitchen hoods, energy efficiency is an important consideration. An efficient hood system can save a significant amount of energy, reduce operating costs, and contribute to a more comfortable working environment for employees. Some factors that affect energy efficiency include the type of exhaust fan, hood design, and proper maintenance and cleaning.
Noise Control
Kitchen hoods can also contribute to noise levels in the kitchen. Exhaust fans can produce a lot of sound, especially when operating at high speeds. Properly designed hoods with built-in silencers or variable speed settings can help reduce noise levels and create a more pleasant working environment for employees. Regular maintenance and cleaning can also help prevent excessive noise caused by clogged filters or debris buildup.
Additional Safety Features
In addition to fire suppression systems, there are other safety features that can be incorporated into kitchen hoods. One example is a temperature sensor that automatically adjusts the exhaust fan speed based on the heat generated by cooking equipment. This helps maintain a comfortable working environment and minimizes energy usage.
Conclusion
When it comes to selecting and using commercial kitchen hoods, there are a variety of factors to consider. From ventilation needs and energy efficiency to noise control and safety features, choosing the right hood system can have a significant impact on the overall functionality and comfort of a kitchen space. By understanding the different types of hoods available and their unique features, you can make an informed decision that best suits your specific needs. So whether you opt for a traditional canopy hood or a more advanced energy-efficient model, investing in a high-quality commercial kitchen hood is essential for the success of any restaurant or food service establishment. Remember to also regularly maintain and clean your hood system to ensure optimal performance and safety in the kitchen. With proper care and usage, your kitchen hood can help create a healthier, safer, and more efficient workspace for everyone.
If you have questions or require further clarification about commercial kitchen hoods, don’t hesitate to reach out to us. We welcome your comments, insights, and inquiries below. Let’s foster a lively and informative discussion about the best commercial kitchen hood repair options and practices. Together, we can strive to make our kitchen spaces safer, more efficient, and conducive to excellent culinary experiences. Keep cooking and ventilating!
