Chapter 9 — INSTALLATION OF SPECIFIC APPLIANCES
905.6 Circulating Air — 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) § 905.6 · Effective January 1, 2026 · Official source: Building Standards Commission
Where a duct furnace is installed so that supply ducts carry air circulated by the furnace to areas outside the space containing the furnace, the return air shall
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INSTALLATION OF SPECIFIC APPLIANCES
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