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CERTIFICATE OF COMPLIANCE - RESIDENTIAL PERFORMANCE COMPLIANCE METHOD CF1R-PRF-01-E <br />Project Name:1621 S DIAMOND ST. (HOUSE)Calculation Date/Time:2025-02-03T16:48:43-08:00 (Page 7 of 10) <br />Calculation Description:ADDITION Input File Name:1621 S DIAMOND ST - ADDITION.ribd22 <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: 2025-02-03   16:49:04 <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 />Interior wall R-15 Interior Walls Wood Framed Wall 2x4 @ 16 in. O. C.R-15 None / None 0.086 <br />Inside Finish: Gypsum Board <br />Cavity / Frame: R-15 / 2x4 <br />Other Side Finish: Gypsum Board <br />Asphalt Shingle Roof @ <br />Addition - R11 Attic Roofs Wood Framed <br />Ceiling 2x6 @ 16 in. O. C.R-11 None / None 0.086 <br />Roofing: Light Roof (Asphalt Shingle) <br />Roof Deck: Wood <br />Siding/sheathing/decking <br />Cavity / Frame: R-11 / 2x6 <br />Asphalt Shingle Roof @ <br />Existing - No insulation Attic Roofs Wood Framed <br />Ceiling 2x6 @ 16 in. O. C.R-0 None / None 0.624 <br />Roofing: Light Roof (Asphalt Shingle) <br />Roof Deck: Wood <br />Siding/sheathing/decking <br />Cavity / Frame: no insul. / 2x6 <br />Underfloor R-19 Floors Over <br />Crawlspace Wood Framed Floor 2x8 @ 16 in. O. C.R-19 None / None 0.047 <br />Floor Surface: Carpeted <br />Floor Deck: Wood <br />Siding/sheathing/decking <br />Cavity / Frame: R-19 / 2x8 <br />Existing underfloor - <br />R19 <br />Floors Over <br />Crawlspace Wood Framed Floor 2x8 @ 16 in. O. C.R-19 None / None 0.047 <br />Floor Surface: Carpeted <br />Floor Deck: Wood <br />Siding/sheathing/decking <br />Cavity / Frame: R-19 / 2x8 <br />Ceiling R-30 Ceilings (below <br />attic) <br />Wood Framed <br />Ceiling 2x8 @ 16 in. O. C.R-30 None / None 0.033 <br />Over Ceiling Joists: R-11.2 insul. <br />Cavity / Frame: R-18.9 / 2x8 <br />Inside Finish: Gypsum Board <br />Existing ceiling - R21 Ceilings (below <br />attic) <br />Wood Framed <br />Ceiling <br />2x4 Bottom Chord of Truss <br />@ 24 in. O. C.R-21 None / None 0.044 <br />Over Ceiling Joists: R-11.9 insul. <br />Cavity / Frame: R-9.1 / 2x4 Btm Chrd <br />Inside Finish: Gypsum Board <br />425-P010035558A-000-000-0000000-0000 02/03/2025 18:12 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. <br />1621 S Diamond St & <br />Unit# 24/24/2025