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State Statutes and Local Ordinances

State of California

Title 24 Part 1 Energy Building Regulations

Subchapter 8, Section 151 - Performance and Prescriptive Compliance Approaches

(d) Compliance Methods for Performance Standards.  Compliance with the energy budget requirements of Section 151 (a) 3 and (b) must be demonstrated either by:

(1) Using a point system approved by the commission including any computer programs approved by the commission that are based on an approved point system. ...

Assembly Bill 970 Building Energy Efficiency Standards

2. Standard Reports

Both the CF-1R and the C-2R must have highly visible sections, one for special features and modeling assumptions and a second for features requiring verification by approved home energy rating system (HERS®) providers.  These two sections serve as “punch lists” for special consideration during the compliance verification by the local building department. ... Items listed in the HERS Required Verification section are for features that rely on diagnostic testing or independent verification by HERS® raters under the supervision of Commission-approved HERS providers to insure proper field installation in addition to local building department inspection.

2.1 Certification of Compliance (CF-1R)

Infiltration/Ventilation

.... This requirement for mechanical ventilation and minimum capacity must be reported in the HERS Required Verification and the Special Features and Modeling Assumptions listings of the CFR-1R and C-2R.  Also, the HERS Required Verification listings must state that when the measured CFM50H is less than the minimum allowed value, corrective action must be taken to either intentionally increase the infiltration or provide for mechanical ventilation adequate to maintain the residence at a pressure greater than -5 pascals relative to the outside average pressure with other continuous ventilation fans operating. ...

HVAC Distribution

The use of any of these features is considered to be special and must be also individually listed in the HERS Required Ventilation listing and individually verified.

HERS Required Verification

Specific features that require diagnostic testing to assure proper installation and verification by a certified home energy rater (HERS rater) under the supervision of a CEC-approved HERS provider, and must be listed in this section.  This listing must stand out and command the attention of the homeowner of anyone reviewing this form to emphasize the importance of HERS verification of these features and the aspects of these features that were modeled to achieve compliance or the energy use results reported. ...


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