Arizona · STD.5.1
Classroom HVAC systems must maintain prescribed carbon dioxide levels
Regulatory
Required
Active
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.
- State
- Arizona
Evidence & sources
- NCSI profile
- Arizona State Roles and Responsibilities for PK-12 Public School Facilities (2025), printed p. 32
- Legal sources
- A.A.C. R7-6-215 — Arizona Administrative Code R7-6-215 (Administrative Rule, primary)
- Verification
- Profile Only
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.