Pursuant to authority granted by Tennessee Code Annotated, §§ 6-54-501 through 6-54-516, and for the purpose of regulating the design of buildings for adequate thermal resistance and low air leakage and design and selection of mechanical, electrical, water-heating and illumination systems and equipment which will enable the effective use of energy in new building construction, for the International Energy Conservation Code2, 2018 edition, as prepared and adopted by the International Code Council, is hereby adopted and amended and incorporated by reference as a part of this code, and is hereafter referred to as the energy code.
Section NI 102.4.1.2 (R402.4.1.2) Testing is replaced with Section NI 102.4.2.1 Testing Option and Section NI 102.4.2.2 Visual inspection from 2009 IRC.
Section NI 103.3.3 (R403.3.3 Duct Testing (Mandatory) and Section NI 103.3.4 (R403.3.4) Duct Leakage (Prescriptive) are optional.
Table NNI 102.1.2 Insulation and Fenestration Requirement by Component and Table NI 02.1.4 (R402) Insulation and Fenestration requirements Component and Table NI 102.1.4 (R402.1.4) Equivalent U-Factors from 2018 IRC are replaced with Table NI 102.1 Insulation and Fenestration Requirements by Component and Table NI 102.1.2 Equivalent U Factor from 2009 IRC. (as replaced by Ord. #09-02-01, Feb. 2009, Ord. #014-06-11, June 2014, and Ord. #015-02-02, Feb. 2015, as amended by Ord. #O20-11-19, Nov. 2020)
2Copies of this code (and any amendments) may be purchased from the International Code Council, 900 Montclair Road, Birmingham, Alabama 35213.