This website contains information developed during the pre-rulemaking phase of the 2005 Building Energy Efficiency Standards project. It contains information about the scoping of the project, measures proposed for consideration, cost effectiveness and technical evaluation of potential Standards changes, workshop and other public comment about potential Standards changes, and initial drafts of the potential Standards. This phase of the project is complete.

For more about this phase of the project, please see Background Information, or Workshops and Associated Documents. For information about the proposed updated Standards and the formal rulemaking proceeding, which will culminate in Commission adoption of the proposed updated Standards, please see the 2005 Building Energy Efficiency Standards Rulemaking page.