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• N1111.1.5

  Additional Efficiency Credit Requirements for Substantial Improvements

  • Substantial improvements earn at least 3 credits from Table N1108.2, unless done with an addition, by performance or ERI, or without new HVAC or water heating.

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• N1102

  Building Thermal Envelope

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• N1104

  Electrical Power, Lighting and Renewable Energy Systems

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• N1108

  Additional Efficiency Requirements

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• N1111

  Alterations

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• N1103.10.1

  Heaters

  • Pool and spa heaters have an on-off switch on or within 3 ft of the heater (in addition to the breaker) that doesn't reset the thermostat; gas heaters have no standing pilot.

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• N1102.5.1.2

  Air Leakage Testing

  • Every building or dwelling unit is blower-door tested at 50 Pa (RESNET 380, ASTM E779, E1827 or E3158) after all penetrations are sealed, with a signed report; heated private garages may be visually verified instead.

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• N1103.1

  Controls

  • Each separate heating and cooling system has at least one thermostat.

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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.