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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 6 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 />FENESTRATION / GLAZING <br />01 02 03 04 05 06 07 08 09 10 11 12 13 14 <br />Name Type Surface Orientation Azimuth Width <br />(ft) <br />Height <br />(ft)Mult.Area <br />(ft2)U-factor U-factor <br />Source SHGC SHGC Source Exterior Shading <br />Door 2 5 Window Right new Right 90 1 40 0.3 NFRC 0.23 NFRC Bug Screen <br />Door 2 3 Window Front Front 180 1 40 0.3 NFRC 0.23 NFRC Bug Screen <br />Skylight Skylight Roof new Left 270 1 8 0.48 NFRC 0.27 NFRC <br />Skylight 2 Skylight Roof new Left 270 1 4 0.48 NFRC 0.27 NFRC <br />SLAB FLOORS <br />01 02 03 04 05 06 07 08 <br />Name Zone Area (ft2)Perimeter (ft)Edge Insul. R-value <br />and Depth <br />Edge Insul. R-value <br />and Depth Carpeted Fraction Heated <br />Slab-on-Grade New area 720 81 none 0 80%No <br />OPAQUE SURFACE CONSTRUCTIONS <br />01 02 03 04 05 06 07 08 <br />Construction Name Surface Type Construction Type Framing Total Cavity <br />R-value <br />Interior / Exterior <br />Continuous <br />R-value <br />U-factor Assembly Layers <br />2x4 n Exterior Walls Wood Framed Wall 2x4 @ 16 in. O. C.R-15 None / None 0.095 <br />Inside Finish: Gypsum Board <br />Cavity / Frame: R-15 / 2x4 <br />Exterior Finish: All Other Siding <br />R-38 Roof Cathedral Cathedral Ceilings Wood Framed <br />Ceiling 2x12 @ 16 in. O. C.R-38 None / None 0.029 <br />Roofing: Light Roof (Asphalt Shingle) <br />Roof Deck: Wood <br />Siding/sheathing/decking <br />Radiant Barrier <br />Cavity / Frame: R-38 / 2x12 <br />Inside Finish: Gypsum Board <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.