How California’s 2026 Air Quality Regulations Affect HVAC, Plumbing & Electrical Work
Contractors sitting for the California license exam in 2026 will face a very different air-quality landscape than applicants just a few years ago. The big trend is clear: the state is tightening building energy and indoor air quality rules while pushing hard toward all-electric and zero-emission systems in new construction. Why 2026 Is A Turning … Read more
