Who We Are

Construction and structure concept of Engineer or architect meeting for project working with partner and engineering tools on model building and blueprint in working site, contract for both companies.

With an internal staff of over 20 professionals operating the Ceres-based headquarters, Southern California division, and the Nevada division. CLE's Leadership Team consists of these talented professionals.

William Lilly, President

Bill Lilly first entered the energy-conservation industry in 1976, when he started working with Weathermaster Insulation providing energy-efficient design work for an array of different structures from refrigeration buildings to residential subdivisions. In 1981 he started his own insulation-contracting firm, which went on to insulate millions of square feet of walls, ceilings, and floors in existing homes. When this firm was sold, Mr. Lilly retained ownership of the energy calculations division that would later become CLE.

Mr. Lilly is a certified Calcerts and Resnet Rater, Resnet Green Rater and Certified CHEERS Energy Analyst. He is on the board of directors of CalHERS, a rater support organization, and Teen Challenge, a prisoner support ministry. He is also a National Comfort Institute certified air balance inspector.

Mr. Lilly brings a wealth of experience and education in the practical aspect of energy conservation, and by launching two companies amidst a recession, he has proven his leadership ability. Bill is married to Anita who manages the accounting department and has one daughter, Lexine, who is the contracts administrator.

Jeff Ruth, Vice President of Sales

Jeff Ruth earned his Bachelor of Science, Business Management and Advanced Certificate in Project Management from Suffield University. Jeff has over 20 years of experience in the Southern and Northern California regions of the building industry and has held progressively responsible roles throughout the years. Since joining California Living and Energy in 2013, he has utilized his experience and his hard-working attitude to promote Title 24 Energy Calculation, HERS Testing, and MEP Engineering services to increasingly drive sales year after year.

Jeff’s extensive knowledge of HERS Inspections and Title 24 Energy Codes has lead California Living and Energy into different markets of the industry. He is continually working towards finding new ways for California Living and Energy to be a leader and pioneer in all aspects of our designs.

Jorge Rodriguez, Vice President of Design

Jorge Rodriguez Bachelor of Arts in Project Managing for Construction (In progress) AA P.I.T Architectural Drafting and Design, As a member of the US Army for 16 years as a  21T10 Military Technical Engineer, Jorge performed surveys, soil and concrete testing and was Honorable discharge.  During that same time period Jorge received an AA in Criminal Justice.

Jorge was an Inspector for federal and state buildings for the state of California with over 20 years in the construction field. He Performed field and laboratory testing on construction materials, has surveyed and design drafting for military and civilian construction.

Since joining CLE in 2017, Jorge has been using his Military moto and experience that he learned while working for the military.  Jorge  reviews MEP’s answers comments from City and County CBO's, and ensures plans are on schedules to clients. In addition Jorge also performs site visits to make sure MEPS run smoothly for inspections.

State License Matrix

About Us

CLE is an industry leader in both service and stature by providing energy calculations throughout California, Colorado, Nevada, and New Mexico.

More than

$0 Million

in HERS testing
revenue annually.


Energy Star homes
completed and certified!
More than


years in the energy efficiency business

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