508.1 Where Required — 2025 California Mechanical Code
California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · California
CBSC: official editions, supplements and errata
Italicized text is a California amendment to the model code, as printed in the official publication.
Cite as: 2025 California Mechanical Code (Title 24, Part 4) § 508.1 · Effective January 1, 2026 · Official source: Building Standards Commission
Type I hoods shall be installed at or above commercial-type deep-fat fryers, broilers, grills, hottop ranges, ovens, barbecues, rotisseries, and similar equipment that emits comparable amounts of smoke or grease in a food-processing establishment. For the purpose of this section, a food-processing establishment shall include a building or portion thereof used for the processing of food, but shall not include a dwelling unit.
Exceptions:
(1) A Type I hood shall not be required for cooking appliances that comply with UL 197 for reduced emissions where the grease discharge does not exceed 2.9 E-09 ounces per cubic inch (oz/in [3] ) (5.0 E-06 kg/m [3] ) where operated with a total airflow of 500 cubic feet per minute (CFM) (236 L/s).
(2) Recirculating systems listed in accordance with UL 710B and installed in accordance with Section 516.0.
(3) Solid-fuel-fired ovens that comply with UL 2162 and that are vented in accordance with the manufacturer’s
instructions with venting systems complying with UL 103 and UL 1978.
(4) Listed and labeled cooking appliances with integral downdraft systems that comply with Section 518.0.
Explained in plain English
Guides that cite this section.
Get a plain-English answer with a citation back to this text.
Ask AI about this code