Since 1981, California Energy Consultant Service (CECS) has been helping Sacramento homeowners create comfortable, energy-efficient, and beautiful homes. What began as a pioneering insulation company has evolved into a full-service home improvement leader, offering high-performance windows and doors, premium siding, energy-efficient roofing, HVAC, and insulation. Guided by a commitment to honesty, craftsmanship, and care, CECS takes a whole-home approach to ensure every upgrade maximizes comfort, efficiency, and long-term value.

Today, CECS combines decades of family-founded expertise with modern certifications and industry recognition. With licensed, multi-trade professionals, award-winning products, and top-tier utility partnerships, the company delivers seamless, reliable projects backed by strong warranties and responsive service. Trusted by thousands of homeowners, CECS continues to build on its legacy of integrity and excellence, treating every home with care and every customer as a long-term partner.