La. Admin. Code tit. 17 § I-117
Amend | Section C301.2 Warm Humid counties | In Table C301.1, Warm Humid counties are identified by an asterisk but East Carroll and West Carroll shall be listed as Climate Zone 2A Hot Humid Climate |
Amend | Section C402.1.3 Insulation component R-value-based method | |
Amend | Table C402.1.3 Opaque Thermal Envelope Insulation Component Minimum Requirements, R-Value Methoda | |
Adopt | Exception | For those following a prescriptive path the requirement for slab insulation for unheated slabs Group R, Climate Zone 3, shall not be required and the table shall be listed as NR under that column. |
Amend | Section C402.5.9 Vestibules | |
Amend | Exceptions | |
Amend | Item 1 | Buildings in Climate Zones 0 through 1. |
Amend | Section C403.4.1 | The supply of heating and cooling energy to each zone shall be controlled by individual thermostatic controls capable of responding to temperature within the zone. Where humidification or dehumidification or both is provided, not fewer than one humidity control device shall be provided for each humidity control system. Where cooling is provided, the system shall be capable of limiting relative humidity levels to 60% relative humidity. Supplemental dehumidification equipment may be used to meet this requirement." |
Amend | Section C403.5 Economizers | |
Amend | Item 2 | Individual fan systems with cooling capacity greater than or equal to 65,000 Btu/h (15.8 kW) in buildings having other than a Group R occupancy, |
Amend | Exception | |
Amend | Item 1 | Individual fan systems not served by chilled water for buildings located in Climate Zones 0A, 0B, 1A,1B,2A and 3A |
Amend | Item 6 | Systems that include a heat recovery system in accordance with Section C403.10.5 and Section C403.10.6 |
Amend | Section C403.5.3.3 High-limit shutoff | |
Amend | Table C403.5.3.3 High-Limit Shutoff Control Setting For Air Economizersb | Remove Climate Zones 2A and 3A from the Fixed Dry Bulb Device Type |
Amend | Section C403.7.4.2 Spaces other than nontransient dwelling units | |
Amend | Exception | |
Amend | Item 8 | Where the total air exhausted from spaces served by an outdoor air system is less than 60% of the design outdoor air flow rate. |
Amend | Section C403.7.6.1 Temperature setpoint controls | |
Amend | Item 2 | When the guestroom is unrented and unoccupied, the controls shall automatically raise the cooling setpoint to not lower than 78°F (27°C) and lower the heating setpoint to not higher than 60°F (16°C). Unrented and unoccupied guestroom mode shall be initiated within 16 hours of the guestroom being continuously occupied or where a networked guestroom control system indicates that the guestroom is unrented and the guestroom is unoccupied for more than 20 minutes. A networked guestroom control system that is capable of returning the thermostat setpoints to default occupied setpoints 60 minutes prior to the time a guestroom is scheduled to be occupied is not precluded by this section. Cooling that is capable of limiting relative humidity with a setpoint not lower than 65-percent relative humidity during unoccupied periods is not precluded by this section. |
Repeal | Section C405.5.3 Gas Lighting | |
Adopt | Residential Provisions | |
Amend | Section R102.1.1 Above code programs | The code official serving as the authority having jurisdiction for building codes, shall be permitted to deem a national or state energy-efficiency program to exceed the energy efficiency required by this code. Buildings approved in writing by such an energy-efficiency program shall be considered to be in compliance with this code. The requirements identified in Table N1105.2, as applicable, shall be met and the building thermal envelope is greater than or equal to levels of efficiency and solar heat gain coefficients (SHGC) in Tables 402.1.1 and 402.1.3 of the 2009 International Energy Conservation Code. |
Adopt | Section R102.1.2 National Green Building Standard | Buildings complying with ICC 700-2020 National Green Building Standard and achieving an equivalent energy performance as demonstrated by a third-party certification organization shall be deemed to exceed the energy efficiency required by this code. |
Adopt | Section R102.1.3 Energy Star Certification | Buildings receiving Energy Star Certification shall be deemed to exceed the energy efficiency required by this code. |
Repeal | Section R103.2 Information on Construction Documents | |
Amend | Section R301.1 Climate Zones | Climate zones from Figure N1101.7 or Table N1101.7 shall be used for determining the applicable requirements in Sections N1101 through N1113. Locations not indicated in Table N1101.7 shall be assigned a climate zone in accordance with Section N1101.7.2. However, for energy purposes only, all of Louisiana shall be a climate zone 2A. East and West Carroll parishes shall be assigned a warm humid climate zone. |
Adopt | Section R401.3 Louisiana Insulation Certificate requirement. | A State of Louisiana Insulation Certificate shall be permanently posted in a utility area. |
Adopt | Section R401.3.1 Louisiana Insulation Certificate Template. | |
Amend | Section R402.2.1, Ceilings with attics | |
Adopt | Exception | |
Item (1.) | (1.) When the thermal covering at the roof line creates an unvented attic: (a.) Proper sizing or modification of the HVAC system to the current code is required. (b.) Any insulation between the sealed, conditioned attic space and the living space must be removed. | |
Adopt | Item (2.) | (2.)(a) The space under appliances located in a sealed, conditioned attic may remain in place if sealed from the attic space, it is less than 10% of the total conditioned attic floor, and the appliances are approved for use in a sealed attic. (b.) There shall be no outside attic ventilation and all openings must be blocked with rigid material and are sealed, in accordance with the ICC IRC Chapter 8 "Roof-Ceiling Construction |
Amend | Section R402.2.3 Eave Baffle | For air-permeable insulation in vented attics, a baffle shall be installed adjacent to soffit and eave vents. Baffles shall maintain an opening equal to or greater than the size of the vent. The baffle shall extend over the top of the attic insulation. The baffle shall be permitted to be any solid material. |
Amend | Section R402.2.7 Floors | |
Repeal | Subfloor insulation shall provide or be installed in permanent contact with a rigid air barrier material. If the building is cooled with air conditioning subfloors in any vented crawl space shall be insulated with an airtight, class II vapor retarder insulation system (perm < 1.0). | |
Adopt | Exception | |
Adopt | Item (1.) | (1.) Plastic Spray Foam cannot be applied to finish flooring where no subfloor exists. |
Repeal | Section R402.4.1.1 Installation. | |
Amend | Section R402.4.1.2 Testing | The building or dwelling unit shall be tested for air leakage. The maximum air leakage rate for any building or dwelling unit under any compliance path shall not exceed 7.0 air changes per hour or 0.28 cubic feet per minute (CFM) per square foot [0.0079 m3/(s x m2)] of dwelling unit enclosure area. Testing shall be conducted in accordance with ANSI/RESNET/ICC 380, ASTM E779 or ASTM E1827 and reported at a pressure of 0.2 inch w.g. (50 Pascals).Effective July 1, 2024, blower door testing shall be performed by individuals certified to perform blower door tests by a nationally recognized organization that trains and provides certification exams for the proper procedures to perform such tests. The responsible BCEO shall accept written blower door test reports from these certified individuals to verify the minimum requirements of Section N1102.4.1.2. A written report of the results of the test shall be signed by the party conducting the test and provided to the code official. Testing shall be performed at any time after creation of all penetrations of the building thermal envelope have been sealed. Where multiple dwelling units or other occupiable conditioned spaces are contained within one building thermal envelope, each unit shall be considered an individual testing unit, and the building air leakage shall be the weighted average of all testing unit results, weighted by each testing unit's enclosure area. Units shall be tested separately with an unguarded blower door test as follows: |
Adopt | Item (1.) | (1).Where buildings have fewer than eight testing units, each testing unit shall be tested. |
Adopt | Item (2.) | (2) For buildings with eight or more testing units, the greater of seven units or 20 percent of the testing units in the building shall be tested, including a top floor unit, a ground floor unit and a unit with the largest testing unit enclosure area. For each tested unit that exceeds the maximum air leakage rate, an additional two units shall be tested, including a mixture of testing unit types and locations. |
Amend | Exception | When testing individual dwelling units, an air leakage rate not exceeding 0.30 cubic feet per minute per square foot [0.008 m3/(s x m2)] of the dwelling unit enclosure area, tested in accordance with ANSI/RESNET/ICC 380, ASTM E779 or ASTM E1827 and reported at a pressure of 0.2 inch water gauge (50 Pa), shall be permitted in all climate zones for: 1. Attached single- and multiple-family building dwelling units. 2. Buildings or dwelling units that are 1,500 square feet (139.4 m2) or smaller. Effective July 1, 2024, when a blower door test is performed, and the air infiltration rate of a dwelling unit is less than 3 air changes per hour when tested in accordance with Section N1102.4.1.2, the dwelling unit shall be provided with whole- house mechanical ventilation in accordance with Section M1507.3 |
Amend | Section R402.4.1.3 Leakage Rate | Where complying with Section N1101.13.1, the building or dwelling unit shall have an air leakage rate not exceeding 7.0 air changes per hour in Climate Zones 0, 1 and 2, and 7.0 air changes per hour in Climate Zones 3 through 8, when tested in accordance with Section N1102.4.1.2. |
Amend | Section R402.4.4 Rooms containing fuel-burning appliances. | In Climate Zones 2 through 8, where open combustion air ducts provide combustion air to open combustion fuel-burning appliances, the appliances and combustion air opening shall be located outside the building thermal envelope or enclosed in a room that is isolated from inside the thermal envelope. Such rooms shall be sealed and insulated in accordance with the envelope requirements of Table N1102.1.3, where the walls, floors and ceilings shall meet a minimum of the basement wall R-value requirement. The door into the room shall be fully gasketed and any water lines and ducts in the room insulated in accordance with Section N1103. The combustion air duct shall be insulated where it passes through conditioned space to an R-value of not less than R-8. |
Repeal | Section R402.4.6 Electrical and communication outlet boxes (air-sealed boxes) | |
Amend | Section R403.3.1 Ducts located outside conditioned space | Supply and return ducts located outside conditioned space shall be insulated to an R-value of not less than R-8. |
Amend | Section 403.3.2 Ducts located in conditioned space. | |
Amend | Item 3.3 | A minimum 10 insulation installed in the cavity width separating the duct from unconditioned space |
Amend | Section R403.3.3 Ducts buried within ceiling insulation. | In Climate zone 2A Supply and Return ductwork shall not be buried in insulation |
Repeal | Item 1 | |
Repeal | Item 2 | |
Repeal | Item 3 | |
Amend | Section R403.3.5 Duct Testing | Duct leakage testing shall be performed by individuals certified to perform duct leakage tests by a nationally recognized organization that trains and provides certification exams for the proper procedures to perform such tests. The responsible BCEO shall accept written duct leakage test reports from these certified individuals to verify the minimum sealing requirements of Section N1103.3.4. Ducts shall be pressure tested in accordance with ANSI/RESNET/ICC 380 or ASTM E1554 to determine air leakage by one of the following methods: |
Amend | Exceptions | |
Repeal | A duct air-leakage test shall not be required for ducts serving heating, cooling or ventilation systems that are not integrated with ducts serving heating or cooling systems. | |
Adopt | Item (1.) | (1.) A duct air-leakage test shall not be required where the ducts and air handlers are located entirely within the building thermal envelope. |
Adopt | Item (2.) | (2.) HVAC contractors, who are not certified to perform duct leakage tests, may perform the test with the responsible BCEO visually verifying test procedures and results on site. |
Amend | Section R403.3.6 Duct Leakage | |
Amend | Item (1.) | (1.) Rough-in test: The total leakage shall be less than or equal to 6.0 cubic feet per minute (113.3 L/min) per 100 square feet (9.29 m2) of conditioned floor area where the air handler is installed at the time of the test. Where the air handler is not installed at the time of the test, the total leakage shall be less than or equal to 4.0 cubic feet per minute (85 L/min) per 100 square feet (9.29 m2) of conditioned floor area. |
Amend | Item (2.) | (2.) Post construction test: Total leakage shall be less than or equal to 8.0 cubic feet per minute (113.3 L/min) per 100 square feet (9.29 m2) of conditioned floor area or leakage to outside shall be less than or equal to 4 cfm per 100 sq feet of conditioned floor area. |
Repeal | Item (3.) | |
Amend | Section R403.3.7 Building Cavities | Building framing cavities directly adjacent to and within shall not be used as ducts or plenums. |
Amend | Section R403.6 Mechanical Ventilation | The buildings complying with Section N1102.4.1 providing mechanical ventilation shall comply with the requirements of Section M1505 or with other approved means of ventilation. Outdoor air intakes and exhausts shall have automatic or gravity dampers that close when the ventilation system is not operating. |
Amend | Section R404.1 Lighting equipment | All permanently installed lighting fixtures, excluding kitchen appliance lighting fixtures, shall contain only high-efficacy lighting sources not less than 90 percent of the permanently installed lighting fixture. |
Repeal | Section R404.1.1 Exterior Lighting | |
Repeal | Section R404.2 Interior lighting controls | |
Repeal | Section R404.3 Exterior Lighting controls | |
Amend | Section R406.2ERI Compliance | |
Repeal | Item (1.) | (1.) The requirements of the sections indicated within Table N1106.2 |
Amend | Section R406.3.2 On-site renewables are included | Where on-site renewable energy is included for compliance using the ERI analysis of Section N1106.4, the building thermal envelope shall be greater than or equal to the levels of efficiency and SHGC in Table R402.1.1 or R402.1.3 of the 2009 International Energy Conservation Code. |
Amend | Section R406.4 Energy Rating Index | The Energy Rating Index (ERI) shall be determined in accordance with RESNET/ICC 301 Energy used to recharge or refuel a vehicle used for transportation on roads that are not on the building site shall not be included in the ERI reference design or the rated design. |
Amend | Section R406.5 HERS-based compliance | Compliance based on an HERS analysis requires that the rated proposed design and confirmed built dwelling be shown to have an HERS less than or equal to the value of 58. |
Adopt | Exceptions | |
Adopt | Item (1.) | (1.)HERS calculation method shall be an equivalent to the ERI analysis in calculating compliance |
Adopt | Item (2.) | (2.)Other alternate means of home energy rating as approved by the building official |
La. Admin. Code tit. 17, § I-117
The amended version of this section by LR 49, is not yet available.