Tag: ventilation
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What are the best practices for ventilation system for restaurants and food service facilities re-opening after the pandemic?
With restaurants and other food service facilities fully opening, albeit with reduced capacity, key questions have arisen regarding best practices for ventilation systems. We questioned Dr. Andrey Livchak, Halton’s…
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Why is it important to know who the ME (Mechanical Engineer) on the project is?
As commercial kitchen ventilation systems become more technically complex to satisfy increasingly strict code requirements and environmental standards, coordinating the overall design with the mechanical engineer becomes critical. There…
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What impact does a balanced building have on our lives?
We love balance in our lives. Work-life balance, a balanced diet, a balanced budget, even a balanced building. Wait a minute? A balanced building? What impact does a balanced…
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What is Schlieren Thermal Imaging in Commercial Kitchen Ventilation?
Wouldn’t it be nice to see the heat plume coming off of an appliance? Do you wish you could see if a hood is capturing all the convective heat?…
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What is the difference between commercial kitchen pollution control units?
Commercial Kitchen Pollution Control Units, also referred to as Scrubbers or Ecology units are systems that remove a high percentage of grease, vapor, and odors from the cooking process…
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Why is a heat load based design important for kitchen hoods?
Establishing exhaust volumes for hoods had been an inexact science, primarily relying on U.L. values to establish exhaust rates. U.L. however clearly states that the minimum exhaust rates established…
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How do replacement air ceiling registers affect the hood?
The placement and location of ceiling registers (diffusers) for the introduction of replacement air can have a direct impact on the proper operation of the exhaust hood. Diffusers that…
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Is cooking equipment makes and models important for preliminary engineering?
Commercial cooking equipment makes and models are important for preliminary engineering Outdated methods of ventilation design categorized commercial cooking equipment (appliances) into different classes; light, medium, heavy-duty and extra…
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Who is the “AHJ” and what authority do they have on a project?
AHJ refers to “The Authority Having Jurisdiction”. The AHJ has final authority for the interpretation of fire and building codes (NFPA, IMC). Although model codes are interpreted fairly consistently,…
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What are the standards for hood overhang to specific cooking equipment? Is it based on UL Listings of the hood?
The specific overhang (ends, front and/or rear) are predicated on the U.L. 710 testing for the specific model of that manufacturer. When testing for capture of visible cooking vapors,…
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