Campanas sin ventilación

HOODMART BLOG

How a Hanging Ventless Hood Works Without Ductwork or a Roof Fan
• Septiembre 14, 2026
Categorías: Ventless Hoods
If a contractor has told you that venting your kitchen is impossible without cutting into the roof, they were working with the wrong hood. A hanging ventless hood handles grease-laden vapors, smoke, and odor capture on its own, no ductwork, no roof fan, no structural sign-off required.
This guide, from the commercial kitchen ventilation experts at HoodMart, takes a closer look at how these ventless kitchen hoods actually work.
No Ductwork = No Roof Penetration
A traditional exhaust hood pulls air through ducts and out through the roof. A hanging ventless hood skips that step entirely. It filters and recirculates air right where it's captured, so there's nothing to run through the ceiling and nothing for a roofing contractor to sign off on.
That matters most when:
• You're in a leased space where roof access isn't allowed
• You're on an upper floor with no direct path to the roof
• Your building has historic or structural restrictions on penetrations
• You need to install fast and can't wait on permits for roof work
UL 710B: the certification that makes it code-legal
"Ventless" alone isn't a code term, and any inspector will tell you that. What actually matters is UL 710B, the listing that governs recirculating Type I hood systems for grease-producing equipment. A hood that carries this listing has been tested for grease capture, filtration, and fire protection as a com...

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The Benefits and Limitations of Ventless Hoods for Commercial Kitchens
• Julio 01, 2026
Categorías: Ventless Hoods
The Benefits and Limitations of Ventless Hoods for Commercial Kitchens Commercial kitchens require proper ventilation to remove heat, grease, smoke, and odors produced during cooking. Traditionally, this has meant installing ducted hood systems that...

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When to Choose a Ventless Hood Over Traditional Ventilation Systems
• Julio 24, 2025
Categorías: Ventless Hoods
Running a kitchen comes with tough calls, like figuring out how to fit a fryer where there’s barely room for a blender. Ventilation can be just as tricky. If you’re weighing the pros and cons of a ventless hood versus a traditional system...

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Frying without the Fuss: Exploring the Benefits of Ventless Hoods For Frying
• Octubre 17, 2024
Categorías: Ventless Hoods
Traditional fryers have long been the go-to appliance for creating crispy favorites like onion rings, chicken tenders, doughnuts, and, of course, french fries. While these beloved foods remain staples in commercial kitchens, fryers can present signif...

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Top Considerations When Selecting a Commercial Kitchen Exhaust Fan
• Octubre 15, 2024
Categorías: Ventless Hoods
Introduction: Why Your Exhaust Fan Matters An exhaust fan is one of the most vital components of a commercial kitchen, playing a crucial role in maintaining air quality, controlling temperature, and ensuring compliance with safety standards. A well-...

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