Chapter 10 — MULTIFAMILY BUILDINGS—MANDATORY REQUIREMENTS
Section 160.2 — MANDATORY REQUIREMENTS FOR VENTILATION AND INDOOR AIR QUALITY
2025 California Energy Code (Title 24, Part 6) · 2025 edition · ingested 2026-07-07 · California
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(a) General requirements. 1. Attached dwelling units in multifamily buildings shall comply with the applicable requirements of Subsection 160.2(b) below. Occupiable spaces in multifamily buildings other than attached dwelling units shall comply with the applicable requirements of Section 160.2(c). When field verification and diagnostic testing of attached dwelling units is required by Section 160.2, buildings with three habitable stories or fewer shall use the applicable procedures in the Residential Appendices, and buildings with four or more habitable stories shall use the applicable…