California Energy Commission Letterhead

In the Matter of:
Preparation of the -
Draft Phase II Home Energy Rating System
Program Regulations

Docket No. 08-HERS-1

RE: California Home Energy Rating System
Program, Phase II Regulations Development


Notice of Efficiency Committee Workshop

The California Energy Commission's Efficiency Committee (Chairman Jackalyne Pfannenstiel, Presiding Member, and Commissioner Arthur Rosenfeld, Associate Member) will conduct a public workshop to seek comments from interested parties on the Phase II regulations development for the California Home Energy Rating System Program. The public is invited to attend the workshop that will be held on:

9 a.m.
1516 Ninth Street
First Floor, Hearing Room A
Sacramento, CA 95814
(Wheelchair accessible)

Audio from this meeting will be broadcast over the Internet.
For details, please go to:

If you do not have computer access and wish to participate in the meeting by phone,
please call 1-888-566-5779 by 9:00 a.m. Pacific Time.
Passcode: HERS Call Leader: Helen Lam

This notice, workshop agenda, and other related documents will be posted to the California Home Energy Rating System (HERS) project website at Please check the website for additional information. Interested persons may sign up on a list server at the website to receive e-mail updates about the HERS Program.


On May 2, 2008, the Energy Commission staff conducted a public workshop to present and solicit comments on the technical work that underlined staff's development of the first draft revisions to the HERS regulations for Phase II of the program. The purpose of the Efficiency Committee Workshop on August 14, 2008, is to provide building industry, stakeholders, and the public the opportunity to review and discuss the modifications that have been made to the previous draft revisions to the HERS regulations and the draft HERS Technical Manual for the Phase II regulatory development. Staff and the project contractor will present the two final draft documents to solicit further comments for consideration and incorporation into the proposed regulations package prior to the formal rulemaking proceeding.


Public Resources Code (PRC) Section 25942 directs the Energy Commission to adopt a statewide HERS Program for residential dwellings. Phase II of the HERS Program calls for the development and adoption of regulations to put in place the following remaining elements of PRC Section 25942 necessary to extend the HERS Program to whole-house energy ratings of existing (and newly constructed) homes:

  • Consistent, accurate, and uniform ratings based on a single statewide rating scale;
  • Reasonable estimates of potential utility bill savings, and reliable recommendations on cost-effective measures to improve energy efficiency; and
  • Labeling procedures that will meet the needs of home buyers, homeowners, renters, the real estate industry, and mortgage lenders with an interest in home energy ratings.

Phase I of the HERS Program was adopted in 1999 and established the basic operating framework of the program, including training and certification procedures for raters, quality assurance procedures, and data collecting and reporting requirements for raters who are performing field verification and diagnostic testing services for demonstrating compliance with Title 24 Building Energy Efficiency Standards. Phase II will extend Phase I of the HERS Program to include methodologies for calculating a California HERS Index and analyzing utility bills and cost-effectiveness of energy efficiency measures. Phase II will further address whole-house energy ratings and certification of individuals who would be involved in the California HERS Program, including raters, energy auditors, energy inspectors, energy analysts, and building performance contractors.

Written Comments

Written comments prior to the workshop must be received by 5:00 p.m. on August 5, 2008. Written comments to be considered after the workshop must be received by August 22, 2008. Please include "Docket Number 08-HERS-1" and indicate "California Home Energy Rating System Program" in the subject line or first paragraph of your comments. Send your written comments to:

Helen Lam
California Energy Commission
Buildings and Appliances Office
1516 Ninth Street, MS-25
Sacramento, CA 95814-5512

The Energy Commission encourages comments by electronic mail. Please include your name or organization in the name of the file. Those submitting comments by electronic mail should provide them in either Microsoft Word format or as a Portable Document Format (PDF) to and

Participants may also provide an original and 10 copies of the comments at the beginning of the workshop. All written materials relating to this workshop will be filed with the Dockets Unit and become part of the public record in this proceeding.

Public Participation

The Energy Commission's Public Adviser's Office provides the public assistance in participating in Energy Commission activities. If you need information on how to participate in this forum, please contact the Public Adviser's Office at (916) 654-4489 or toll free at (800) 822-6228, by FAX at (916) 654-4493, or by e-mail at If you have a disability and require assistance to participate, please contact Lou Quiroz at (916) 654-5146 at least five days in advance.

Please direct all news media inquiries to the Media Office at (916) 654-4989 or by e-mail at

For administrative or procedural questions, contact Helen Lam, Project Manager, at (916) 651-3007 or by e-mail at For technical questions regarding the subject matter of this notice, contact Rashid Mir, Mechanical Engineer, at (916) 654-4109, or by e-mail at

commissioner signature
Chairman and Presiding Member
Efficiency Committee

commissioner signature
Commissioner and Associate Member
Efficiency Committee