Category: Commercial Kitchen Exhaust Hoods
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Replacing Fusible Links in Life Safety Systems
The National Fire Protection Association reports that in 2017 there were 499,000 structure fires. 72% of these fires occurred in residential occupancies leaving a remaining 139,720 in occupancies other than residential. While property damage resulting from these fires was in the billions the focus of this article is protection of life safety in commercial and…
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Fire Safety in Commercial Kitchens
Fire safety in commercial kitchens is mandated by code. It makes sense simply from a practical standpoint to embrace fire safety to preserve life and prevent property loss. A quick overview of the leading cause of fires in restaurants’ ventilation systems is presented here. In addition, why do they happen, and are they preventable? According to…
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Capture and Containment, What does it mean?
A key function of any Kitchen Ventilation Canopy (Exhaust Hood), or Ventilated Ceiling, is its ability to catch the heat and fumes rising from the cooking appliances and to hold them until they can be drawn through the grease extractors and then into the exhaust system. This process is referred to as “Capture and Containment”…
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Advantages and Limitations of Ventless Solutions for Commercial Kitchen Ventilation
When designing a kitchen ventilation system, there may be a location where it is not cost-effective to run ductwork to the exterior of the building. This approach should always be the first consideration. In the absence of a practical means of ducting the kitchen exhaust, a ventless solution also known as a ductless solution can…
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The Radiant Chef
How does radiant heat affect your chef’s and kitchen staff comfort? Typically, if you tell someone they look “radiant,” you would be complimenting their glowing appearance. If you tell a chef that they look radiant, it probably means they look hot and uncomfortable. Let’s explain how radiant heat affects the comfort of not only your…
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Finding the Right Exhaust Hood for Your Pizza Oven
To deliver consistency for their customers and drive speed, most large pizza chains utilize conveyor ovens to cook their pizzas and other menu items. These ovens are typically configured with one, two or three ‘decks’ and utilize impinger technology to rapidly cook pizzas. In addition to high velocity fans, the ovens consume a lot of…
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Cfm and static pressure … what does it all mean?
Whenever the topic of commercial kitchen ventilation crops up, you know, like when you’re at a dinner party, or it’s the holidays, and Uncle Bob wants to chat, there are two terms that regularly interfere with a complete understanding. Cfm and static pressure, these terms go hand-in-hand (like Uncle Bob and Aunt Brenda) though we…
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What is the difference between exhaust hoods using Ultraviolet Light and Corona discharge ozone generators?
There is some confusion regarding the similarities and differences of kitchen exhaust hoods using ultraviolet light bulbs (UV-C) in the exhaust plenum and systems that are referred to as “corona discharge” that generate ozone. Ultraviolet Light or UV-C is a type of bulb that has a very high intensity that allows it to break down…
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What You Get for Free When Specifying Short-Circuit Exhaust Hoods
KitchenVentilation.com is pleased to have guest Blogger, Steve Brown, Member of ASHRAE provide his take on the origins of short-circuit exhaust hoods. The history of short-circuit exhaust hoods. The price controls and energy shortages of the 1970’S “Dark Decade for Energy” began in 1954 with the United States Supreme Court’s decision in “Phillips Petroleum Co.…
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I’ve Seen Ventilated Ceilings for Kitchens in Europe. Can they be used in North America?
In a word yes, Ventilated Ceilings can be installed in North America, assuming it is listed for that purpose. Let’s talk about what a Ventilated Ceiling is. It is an alternative to the traditional canopy and island hoods seen in most installations in North America. Effectively, the Ventilated Ceiling System is the exhaust and supply…