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The Complete Guide to Commercial Kitchen Ventilation Components
• August 19, 2026
Categories: HOOD FACTS, Hoods
A commercial exhaust hood is the piece of equipment everyone notices. The fourteen other components required to make it function are the ones nobody thinks about until a contractor is standing in the kitchen asking where the unistrut is.
If you've ever purchased (or priced!) a commercial hood system and felt blindsided by the installation conversation that followed, this guide is for you. HoodMart's Hood Install Diagram identifies all 18 components of a complete commercial kitchen ventilation system. Some come with your hood. Many don't. Here's exactly what you're looking at, and why each piece matters.
What "Field Supplied" Actually Means for Your Commercial Hood Installation
Throughout HoodMart's Hood Install Diagram, certain components are marked with a Δ symbol. That symbol means field supplied — items that are not included with your hood purchase and must be sourced, sized, and installed by your contractor based on your specific building conditions.
This isn't fine print. It's a practical reality of commercial kitchen ventilation: no two installations are identical. Ceiling heights, roof configurations, duct runs, and local code requirements vary enough that a one-size-fits-all approach to these components simply doesn't work. Understanding which items fall into this category before you buy is the difference between a smooth installation and a stalled one.
The Components HoodMart Supplies
Thes...

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Everything Above the Ceiling: What Actually Happens After Your Hood Connects to the Roof
• August 14, 2026
Categories: Ductwork
The exhaust hood gets all the attention. It's visible, it's stainless, it's the thing your health inspector walks toward first. But the components that determine whether your commercial kitchen ventilation system actually works — the ones that ...

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How a Commercial Hood System Actually Works, From Grease Cup to Rooftop Fan
• August 10, 2026
Categories: Hoods
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 buil...

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Step-By-Step Guide For Professional Exhaust Hood Cleaning
• August 06, 2026
Categories: Hoods
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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ETL vs UL Listed: What’s the Difference in Commercial Kitchen Equipment?
• August 03, 2026
Categories: Hoods
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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