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
AZ
STD.1Maintenance & Operations StandardsHVAC, plumbing, electrical, and mechanical systems must be capable of operating as designed, have sufficient life expectancy and parts availability for maintenance, and remain functional and safe for continued occupancy.
Arizona State Roles and Responsibilities for PK-12 Public School Facilities (2025), printed p. 29–30 · A.A.C. R7-6-265
HVAC, plumbing, electrical, and mechanical systems must be designed, installed, and maintained to ensure operational reliability and energy efficiency.
Arizona State Roles and Responsibilities for PK-12 Public School Facilities (2025), printed p. 30 · A.A.C. R7-6-265
AL
STD.3Building & Construction StandardsAlabama's State Building Code incorporates nationally recognized model building, plumbing, mechanical, energy, existing-building, electrical, and fire codes applicable to K-12 school construction.
Alabama State Profile (2025), printed p. 32 · 2021 International Building Code; 2021 International Existing Building Code; 2021 International Plumbing Code +4 more
Title 24 Part 3 (California Electrical Code) sets electrical standards.
California — State Roles and Responsibilities for PK-12 Public School Facilities — 2025 State Profile (2025), printed p. 50–51 · Cal. Code Regs. tit. 24, pt. 3