The 2025 update of the California Energy Code went into effect Jan. 1, 2026 for new buildings and major renovations. The 2025 code will save Californians almost $5 billion . . .
SANTA CLARA, Calif. — If there was one clear message during the 2019 Association of Energy Engineers (AEE) West show in Santa Clara, California, it was how California is leading in energy efficiency ...