What California’s 2026 Building Code Cycle Means for HVAC Installers

California Code Changes for HVAC

California is on the move again with its building standards. Starting January 1, 2026, permits will fall under the 2025 California Energy Code (Part 6), 2025 CALGreen (Part 11), and the 2025 California Mechanical Code (CMC). If you’re an HVAC installer, here’s a clear rundown of what’s changing compared to today’s 2022/2024 cycle—and what it […]