Training and validation of HVAC, insulation, and remodeling professionals in the use of scientific methods and equipment for holistically diagnosing and repairing a home's comfort and energy problems. Also certifies HERS raters.

The training is to certify people interested in performing HERS field verification and diagnostic testing for third party inspection of Title 24 energy features on new and existing homes.

The California Home Performance Program is a public interest program operated by the non-profit California Building Performance Contractors Association (CBPCA) that trains residential retrofit contractors to diagnose and cure home comfort and energy systems holistically.

CHEERS® trains and certifies people interested in performing HERS field verification and diagnostic testing for third party inspection of Title 24 energy features on new and existing homes.

A home energy audit is the first step to assess how much energy your home consumes and to evaluate what measures you can take to make your home more energy efficient. This site links to resources for do-it-yourself as well as professional energy audits.