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CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E <br />Project Name:ADU Calculation Date/Time:2026-03-27T12:20:17-07:00 (Page 4 of 10) <br />Calculation Description:Title 24 Analysis Input File Name:22369 2424 Oakmont, Santa Ana add adu Steichen Lewis Designs <br />A.ribd22x <br />Registration Number:Registration Date/Time:    HERS Provider: <br />CA Building Energy Efficiency Standards - 2022 Residential Compliance Report Version: 2022.0.000 <br />Schema Version: rev 20220901 <br />Report Generated: 2026-03-27   12:20:35 <br />ENERGY USE INTENSITY <br />Standard Design (kBtu/ft2 - yr )Proposed Design (kBtu/ft2 - yr )Margin (kBtu/ft2 - yr )Margin Percentage <br />Gross EUI1 24.03 23.3 0.73 3.04 <br />Net EUI2 24.03 23.3 0.73 3.04 <br />Notes <br />    1. Gross EUI is Energy Use Total (not including PV) / Total Building Area. <br />    2. Net EUI is Energy Use Total (including PV) / Total Building Area. <br />REQUIRED SPECIAL FEATURES <br />The following are features that must be installed as condition for meeting the modeled energy performance for this computer analysis. <br />•Cool roof <br />•Non-standard duct location (any location other than attic) <br />•Northwest Energy Efficiency Alliance (NEEA) rated heat pump water heater; specific brand/model, or equivalent, must be installed <br />•One or more heat pump water heaters have been modeled as demand response compatible <br />HERS FEATURE SUMMARY <br />The following is a summary of the features that must be field-verified by a certified HERS Rater as a condition for meeting the modeled energy performance for this computer analysis. Additional <br />detail is provided in the building tables below. Registered CF2Rs and CF3Rs are required to be completed in the HERS Registry <br />•Quality insulation installation (QII) <br />•Indoor air quality ventilation <br />•Kitchen range hood <br />•Minimum Airflow <br />•Verified SEER/SEER2 <br />•Fan Efficacy Watts/CFM <br />•Verified HSPF <br />•Verified heat pump rated heating capacity <br />•Duct leakage testing <br />•Ducts located entirely in conditioned space confirmed by duct leakage testing <br />426-P010092602A-000-000-0000000-0000 03/29/2026 02:17 CHEERS <br />NOTICE: This document has been generated by California Home Energy Efficiency Rating Services (CHEERS) using information uploaded by third parties not affiliated with or related to CHEERS. Therefore, CHEERS is not responsible for, <br />and cannot guarantee, the accuracy or completeness of the information contained in this document.