Energy Codes Are Changing Everything — What Builders Need to Know in 2026

A completed Done Wall installation, featuring a clean, professional OSB finish option ideal for residential and commercial spaces.

As we look ahead into 2026, one thing is clear: the regulatory and market landscape around building energy performance is accelerating. In 2025 the 2025 Building Energy Efficiency Standards in California took effect for permit applications filed from January 1, 2026 onward, requiring builders to meet more stringent insulation, ventilation and electric‑readiness standards. California Energy Commission  Simultaneously, […]