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• N1104.4

  Renewable Energy Certificate (REC) Documentation

  • Renewables used for compliance need proof their RECs are kept or retired for the owner.

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead the full text (opens UpCodes in a new tab)

• N1104

  Electrical Power, Lighting and Renewable Energy Systems

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead the full text (opens UpCodes in a new tab)

• N1103.3.7

  Duct System Testing

  • Every duct system is leak-tested at 25 Pa (RESNET 380 or ASTM E1554) at rough-in or final, with a signed report; standalone ventilation and short fully-inside systems of 10 ft or less are exempt.

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead the full text (opens UpCodes in a new tab)

• N1112

  Repairs

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• N1110

  Additions

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• N1101

  General

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• N1102.4.2

  Glazed Fenestration SHGC

  • SHGC may be area-weighted over products more than half glazed; dynamic glazing counts if its high-to-low SHGC ratio is 2.4 or more and it is automatically controlled, and it is not averaged with other glass.

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead the full text (opens UpCodes in a new tab)

• N1111.1.3

  Service Hot Water Systems

  • New hot water systems in an alteration meet N1103.5.

  International Residential Code, 2024 · Chapter 11, Energy EfficiencyRead the full text (opens UpCodes in a new tab)

Searches all 4,276 IRC 2024 sections, 5,532 IBC 2024 sections and defined terms (Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33 so far) and each city's local rules as they are added. Section numbers and titles from the International Residential Code and International Building Code, 2024 editions, copyrighted by the International Code Council; the IRC's electrical chapters (34 to 43) follow NFPA 70, the National Electrical Code. Requirements are summarized in our words (IRC Chapters 3 to 43, IBC Chapters 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33); read the full text at the link on each result. Local values come from each city's published documents.