Kevin HERS Assistant
Shannon - Office and Marketing Manager
Joshua HERS Assistant
Diane Vessels
Founder and General Manager

With over 30 years of experience as a residential general contractor Diane Vessels started California Energy Consultants in 2008 to help designers, builders and home owners build and retrofit homes to provide the home's occupants with good indoor air quality, comfort and energy efficiency.  She uses her knowledge of Building Science and Building Performance to help her clients achieve their goals while reducing their home's carbon footprint.

About us

Title 24 Compliance Documentation Services, HERS Ratings and Energy Efficient Mortgage Assessments for Residential Projects.

CalCERTS - California Home Energy Rating System (HERS) Provider HERS Rater I and II - #CC2005429 http://www.calcerts.com

Certified Green Building Professional (CGBP)

Certified Green Point Rater/Advisor for New and Existing Homes - http://www.builditgreen.org/directorylist/

BPI - Building Analyst - Building Performance Institute Inc. http://bpi.org/


CHEERS - https://www.cheers.org   CHEERS or ConSol Home Energy Efficiency Rating Services is a Home Energy Rating Services (HERS) provider 


Energy Star Partner - http://www.energystar.gov

Title 24 Documentation

Call us: (559) 280-5610

Title 24 Energy Compliance and Documentation —Since 1978, all new homes, additions and alterations to existing homes, and most commercial buildings within California are required to meet the minimum energy efficiency standards contained in Title 24, Part 6 of the California Code of Regulations. The Energy Efficiency Standards for Residential and Nonresidential Buildings were established in response to a legislative mandate to reduce California’s energy consumption. The standards are updated periodically to allow consideration and possible incorporation of new energy efficiency.

Certified Energy Plans Examiners use architectural plans to analyze the yearly energy consumption  of a home or commercial building.  In California the resulting report is referred to as a "Title 24" Report.
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​What we need from you.

  • Site Plan
  • Floor plan with window and door schedules or sizes
  • Elevations
  • Project address
  • Designer and owner's names, addresses, and phone numbers
  • Insulation, HVAC, water heating specifics
  • Type of framing


Whether project is new construction, an addition or alternation.  If the project is an addition or alternation please include vintage of existing structure

​If you are going to e-mail your plans to us please make sure the plans are in a .pdf format.

You can e-mail your plans to
diane@caenergyconsultants.com