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  1. How a Commercial Hood System Actually Works, From Grease Cup to Rooftop Fan

    How a Commercial Hood System Actually Works, From Grease Cup to Rooftop Fan

    Most commercial kitchen owners can point to their exhaust hood. Far fewer can explain what happens between the moment smoke leaves the fryer and the moment it exits the building, and that gap in knowledge has a way of showing up on health inspection reports. A commercial kitchen hood system is not a single appliance. It's an orchestrated sequence of 18+ components working in concert, and understanding how they connect is the difference between a kitchen that passes code and one that doesn't.

    This guide from the pros at HoodMart walks through the full system, from the grease cup at the base of your hood to the exhaust fan on your roof, using HoodMart's Hood Install Diagram as a reference. Whether you're planning a new installation or troubleshooting an existing one, consider this your definitive primer.

    Type 1 vs. Type 2 Commercial Kitchen Hood: Start Here

    Before diving into individual components, it helps to know which class of hood you're working with. The distinction matters enormously for installation, compliance, and cost.

    A Type 1 hood is designed for cooking equipment that produces grease-laden vapors. Think of things like fryers, griddles, char-broilers, and woks. It includes built-in grease filters and a grease collection system, and it must be connected to a dedicated exhaust ...

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  2. Step-By-Step Guide For Professional Exhaust Hood Cleaning
    Commercial Hood Cleaning: Step-by-Step Guide to Professional Exhaust Hood Cleaning Regular exhaust hood cleaning is critical for maintaining a safe, efficient, and code-compliant commercial kitchen. While daily and weekly cleaning helps control grea...

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  3. ETL vs UL Listed: What’s the Difference in Commercial Kitchen Equipment?
    When selecting commercial kitchen equipment, safety certifications matter. Two of the most common are UL Listed and ETL Certified, but what do they actually mean, and is one better than the other? Here’s a clear breakdown of commercial kitchen ...

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  4. Round vs Rectangular Exhaust Hood Duct Systems
    Round vs. Rectangular Exhaust Hood Duct Systems When building or upgrading a commercial kitchen, ventilation design is one of the most important decisions you’ll make. While selecting the right hood system is critical, the ductwork behind it p...

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  5. Rooftop Grease Buildup and How To Prevent It
    Rooftop Grease Buildup: Causes, Risks, and How to Prevent It Rooftop grease buildup is a common (and often overlooked!) issue in commercial kitchens. If your commercial kitchen exhaust hood system isn’t properly maintained, grease can escape t...

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