Policy topic
General education, science, and art classrooms must have HVAC systems capable of maintaining carbon dioxide concentrations no greater than 800 parts per million above outdoor ambient levels.
Arizona State Roles and Responsibilities for PK-12 Public School Facilities (2025), printed p. 32 · A.A.C. R7-6-215
Ventilation and mechanical-system standards applicable to Alabama public school construction and renovation are enforced through the 2021 International Mechanical Code adopted as part of the State Building Code.
Alabama State Profile (2025), printed p. 34 · 2021 International Mechanical Code
When inspections find that HVAC systems are inadequately maintained and unable to meet minimum indoor conditions, districts must use Building Renewal Grant funds to restore compliance.
Arizona State Roles and Responsibilities for PK-12 Public School Facilities (2025), printed p. 34 · Program: Building Renewal Grant Fund; Preventive Maintenance Program · A.R.S. § 15-2002(K); A.R.S. § 41-5731
Ed. Code § 17074.25 addresses HVAC and filtration in modernization projects.
California — State Roles and Responsibilities for PK-12 Public School Facilities — 2025 State Profile (2025), printed p. 53 · Program: Modernization Grant Program · Cal. Educ. Code § 17074.25
School HVAC systems must meet or exceed the version of ASHRAE Standard 62 applicable when the system was installed and must be maintained to provide continued indoor air quality performance.
Arizona State Roles and Responsibilities for PK-12 Public School Facilities (2025), printed p. 32 · A.R.S. § 41-5832; ASHRAE Standard 62
Title 24 Part 6 § 120.1 sets ventilation requirements.
California — State Roles and Responsibilities for PK-12 Public School Facilities — 2025 State Profile (2025), printed p. 58 · Cal. Code Regs. tit. 24, pt. 6
Title 24 Part 6 sets ventilation, filtration and control requirements.
California — State Roles and Responsibilities for PK-12 Public School Facilities — 2025 State Profile (2025), printed p. 53–54 · Cal. Code Regs. tit. 24, pt. 6
8 CCR § 5142 sets workplace mechanical ventilation requirements.
California — State Roles and Responsibilities for PK-12 Public School Facilities — 2025 State Profile (2025), printed p. 54 · 8 CCR § 5142
Prototype research tool. Records are normalized from NCSI state profiles and have not been verified against current statutes or regulations. This is not legal advice — consult primary legal sources for current requirements.