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Trusted Home Energy Efficiency Solutions in Sacramento
Founded in 1981, California Energy Consultant Service has been a leader in energy-efficient home improvements across Northern California. Our expertise spans windows, siding, roofing, HVAC, and insulation, with a focus on whole-home performance. We prioritize honesty, craftsmanship, and customer satisfaction, earning recognition as Window & Door Magazine's Dealer of the Year. Our BPI-certified team delivers tailored solutions, leveraging decades of experience to reduce energy bills and enhance comfort.

We maintain strong partnerships with SMUD and PG&E, offering rebates and financing to make upgrades accessible. With thousands of successful projects, we remain committed to innovation, transparency, and long-term client relationships.
Services
Windows Siding Roofing HVAC Home Performance
Details
  • Year established: 1981
Highlights and features
  • 40+ years of experience in energy-efficient home improvements
  • BPI-certified building analysts for comprehensive energy assessments
  • Preferred SMUD and PG&E contractor with exclusive rebates
  • Whole-home approach maximizes energy savings and comfort
  • Award-winning service with 4.9-star customer ratings
Associations and certifications
  • BPI Certified
  • Window & Door Magazine Dealer of the Year
What people say
Amazing job Prompt service Highly recommend Great price Energy savings
Services
Window Replacement
Upgrade to energy-efficient windows that reduce heat transfer and lower utility bills. Our Milgard, Simonton, and Andersen products offer durability and aesthetic appeal while improving home comfort. Professional installation ensures airtight seals and long-term performance.
Siding Installation
Enhance curb appeal and insulation with James Hardie fiber cement or LP Smartside siding. Our installations improve energy efficiency and protect against Northern California's climate while requiring minimal maintenance for lasting value.
Metal Roofing
Durable standing-seam metal roofs reflect solar radiation, reducing cooling costs by up to 25%. Our steel and aluminum options withstand extreme weather while increasing home value with warranties up to 50 years for long-term protection.
HVAC Replacement
Modern HVAC systems paired with duct sealing reduce energy use by 30-50%. Our BPI-certified technicians optimize system sizing and performance, ensuring consistent temperatures and qualifying homeowners for SMUD rebates up to $5,000.
Home Performance
BPI-certified assessments identify energy leaks using thermal imaging and blower door tests. We create customized efficiency plans combining insulation, air sealing, and appliance upgrades to achieve 10-60% energy savings while improving indoor air quality.
People
Richard Lee
Founder
Founded CECS in 1981 as an insulation pioneer. Developed retrofit window techniques in the 1990s. Retired at 75 but remains a trusted advisor to the team.
Gary Lee
Sales Manager
Joined CECS in the 1990s, driving growth as Sales Manager. With 30+ years of experience, he specializes in customer relationships and energy-efficient solutions.
Phil Isaacs
Owner
Purchased CECS in 2005 after 15 years as a subcontractor. Expanded services to include HVAC and metal roofing while maintaining the company's integrity-focused culture.
Questions
What rebates are available for energy-efficient upgrades?
We help customers access SMUD rebates up to $5,000 and PG&E incentives for qualifying window, HVAC, and insulation projects.
Do you offer free consultations?
Yes, we provide free in-home energy assessments to identify efficiency opportunities and customized improvement plans.
What areas do you serve?
We serve Sacramento, Orangevale, Roseville, Folsom, El Dorado Hills, and surrounding Northern California communities within driving distance.
Are financing options available?
Yes, we offer financing programs to make energy-efficient upgrades affordable with flexible payment terms.
How long does a typical project take?
Window installations complete in 1-2 days; full home performance projects average 2-4 weeks depending on scope.