Oklahoma Administrative Code
Title 748 - Oklahoma Uniform Building Code Commission
Chapter 20 - Adopted Codes
Subchapter 6 - IRC[®] 2018
Section 748:20-6-52 - Appendix W, Energy Efficiency

Universal Citation: OK Admin Code 748:20-6-52

Current through Vol. 42, No. 1, September 16, 2024

This appendix has been newly created and entitled "Energy Efficiency." The provisions contained in this appendix are not mandatory unless specifically referenced in the adopting ordinance or order.

(1) W101 General. This section has been added to clarify the scope for this appendix. This section has been added to read: W101 General. This section has been added to specify the provisions of this appendix shall apply exclusively to the requirements for a Certificate listing energy efficiency components included in a residential dwelling unit.

(2) W101.1 Certificate. This section, formerly numbered N1101.14 has been moved into appendix W, entitled "Energy Efficiency." This section has been added to read: W101.1 Certificate. A permanent certificate shall be completed by the builder or registered design professional and posted on a wall in the space where the furnace is located, a utility room or an approved location inside the building. Where located on an electrical panel, the certificate shall not cover or obstruct the visibility of the circuit directory label, service disconnect label, or other required labels. The certificate shall list the predominate R-values of insulation installed in or on the ceiling/roof, walls, foundation (slab, basement wall, crawl space wall/or floor) and ducts outside conditioned spaces; U-factors for fenestration and the solar heat gain coefficient (SHGC) of fenestration, and the results from any required duct system and building envelope air leakage testing done on the building. Where there is more than one value for each component, the certificate shall list the value covering the largest area. The certificate shall list the types and efficiencies of heating, cooling and service water heating equipment. Where a gas-fired unvented room heater, electric furnace, or baseboard electric heater is installed in the residence, the certificate shall list "gas-fired unvented room heater," "electric furnace" or "baseboard electric heater," as appropriate. An efficiency shall not be listed for gas-fired unvented room heaters, electric furnaces or electric baseboard heaters.

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