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  1. Why Your Commercial Kitchen Loses Heat, Comfort, and Money Without Proper Makeup Air

    If your kitchen runs uncomfortably hot despite a functioning exhaust hood, your back door flies open on its own, or your energy bills seem disconnected from anything you can identify, there is a reasonable chance the culprit is not what you think it is. Makeup air (or the lack of it!) is one of the most consistently overlooked variables in commercial kitchen performance, and its absence tends to show up everywhere except on the equipment spec sheet where the problem actually lives. Here is what is happening and why it matters more than most operators expect.

    What Negative Pressure Is and How It Develops

    Every cubic foot of air your exhaust hood pulls out of the kitchen has to be replaced. When it is not, or when the replacement volume is significantly lower than the exhaust volume, the kitchen develops negative pressure relative to the surrounding spaces.

    Negative pressure means the kitchen is effectively trying to pull air from anywhere it can find it:

    • From under doors and through gaps in the building envelope
    • From dining areas, pulling conditioned air out of customer-facing spaces
    • Down through combustion appliance flues, which is called backdrafting and is a genuine safety hazard
    • Through any unsealed penetration in the kitchen walls or ceiling

    The kitchen does not care where the replacement air comes from. In the absence of a properly designed learn more

  2. Steps To Ensure Your Exhaust Hood Is Running Efficiently
    A commercial kitchen exhaust hood does more than clear smoke from the air; it maintains air quality, regulates temperature, captures grease before it becomes a fire hazard, and keeps the kitchen compliant with health and safety codes. When the system...

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  3. Preventative Maintenance Guide For Your Exhaust Hoods
    A commercial kitchen exhaust system works harder than almost any other piece of equipment in the building—pulling heat, smoke, grease, and odors out of the kitchen continuously through every service. Because it runs quietly in the background (a...

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  4. The Complete Guide to Commercial Kitchen Ventilation Components
    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 e...

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  5. 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 buil...

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