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Earlier editions: 20222019

Chapter 4 — VENTILATION AIR

403.8 Dynamic Reset — 2025 California Mechanical Code

California Mechanical Code (Title 24, Part 4) · 2025 edition · updated 2026-09-25 · California

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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) § 403.8 · Effective January 1, 2026 · Official source: Building Standards Commission

The system shall be permitted to be designed to reset the outdoor air intake flow ( Vot ), the space or ventilation zone airflow ( Voz ) as operating conditions change, or both. [ASHRAE 62.1:6.2.6]

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▸Contents — California Mechanical Code (Title 24, Part 4)

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