Title 16 - Buildings and Construction
16.370 ENGERGY CONSERVATION CODE
16.370.100 Energy Conservation Code - Adoption
The 2024 International Energy Conservation Code
(History: Ord. No. BC-3499, §161, 2026; Ord. No. BC-3286 §166, 2020; Ord. No. BC-2936 §132, 2012; Ord. No. BC-2635 §160, 2007; Ord. No. BC-2459 §134, 2004; Ord. No. BC-2237 §8, 2001)
Effective on: 1/1/1901
16.370.C101.1
Section C101.1 of the International Energy Conservation Code is hereby amended to read as follows:
C101.1 Title. This code shall be known as the Energy Conservation Code of the City of Overland Park , hereafter referred to as “this code.”
(History: Ord. No. BC-3499, §162, 2026; Ord. No. BC-3286 §167, 2020; Ord. No. BC-2936 §133, 2012; Ord. No. BC-2635 §161, 2007 )
Effective on: 1/1/1901
16.370.C101.5
Section C101.5 of the International Energy Conservation Code is hereby added to read as follows:
C101.5 Administration and Enforcement . The administration and enforcement provisions for this code shall be those provisions contained in Sections 103 through 116 of the International Building Code in OPMC 16.300 et seq.
(History: Ord. No. BC-3499, §163, 2026; Ord. No. BC-3286 §168, 2020 )
Effective on: 1/1/1901
16.370.C103 (Deleted)
Section C103 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §164, 2026)
Effective on: 1/1/1901
16.370.C105.2
Section C105.2 of the International Energy Conservation Code is hereby amended to read as follows:
C105.2 Information on construction documents. Construction documents shall be drawn to scale on suitable material. Electronic media documents are permitted to be submitted where approved by the code official. Construction documents shall be of sufficient clarity to indicate the location, nature and extent of the work proposed, and show in sufficient detail pertinent data and features of the building, systems and equipment as herein governed. Details shall include, but are not limited to, the following as applicable:
1.
Energy compliance path.
2.
Insulation materials and their R-values.
3.
Fenestration U-factors and solar heat gain coefficients (SHGC).
4.
Area-weighted U-factor and solar heat gain coefficient (SHGC) calculations.
5.
Air barrier and air sealing details, including the location of the air barrier.
6.
Thermal bridges as identified in Section C402.7.
7.
Mechanical system design criteria.
8.
Mechanical and service water-heating systems and equipment types, sizes and efficiencies.
9.
Economizer description.
10.
Equipment and system controls.
11.
Fan motor horsepower (hp) and controls.
12.
Duct sealing, duct and pipe insulation and location.
13.
Lighting fixture schedule with wattage and control narrative.
14.
Location of daylight zones on floor plans.
15.
Location of pathways for routing of raceways or cable from the on-site renewable energy system to the electrical distribution equipment.
16.
Location reserved for inverters, metering equipment and energy storage systems (ESS), and a pathway reserved for routing of raceways or conduit from the renewable energy system to the point of interconnection with the electrical service and the ESS.
17.
Location and layout of a designated area for ESS.
18.
Rated energy capacity and rated power capacity of the installed or planned ESS.
19.
The additional energy requirements chosen from Section C406.
C105.2.1 Building thermal envelope depiction. The building thermal envelope shall be represented on the construction drawings.
(History: Ord. No. BC-3499, §165, 2026)
Effective on: 1/1/1901
16.370.C106 (Deleted)
Section C106 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §166, 2026)
Effective on: 1/1/1901
16.370.C107
Section C107 of the International Energy Conservation Code is hereby amended to read as follows:
C107 SPECIAL INSPECTIONS AND TESTS
Where application is made to the building official for construction as specified in section 105 of the International Building Code , the owner or owner’s authorized agent, other than the contractor, shall employ one or more approved agencies to provide special inspections and tests during construction on the types of work specified in this section. An approved agency shall be one that meets the requirements as specified in Section 1703 of the International Building Code.
The following shall be provided prior to issuance of a permit:
1.
The design professional in responsible charge shall provide a statement of intent listing the required special inspections and tests in accordance with Section C107.1 through C107.4.
2.
A letter of confirmation from the approved agency or agencies shall be provided to the building official that confirms the agency has been hired to perform the required inspections.
C107.1 Air barrier. An approved third party agency shall inspect the air barrier in accordance with the approved plans and Section C402.6.
C107.2 Insulation and thermal envelope. An approved third party agency shall inspect the installation of the insulation and other thermal envelope components in accordance with the approved plans and Section C402.6.
C107.3 Air tightness. An approved third party agency shall test the air tightness of the building in accordance with Section C402.6.
C107.4 Duct sealing and leakage. An approved third party agency shall inspect the duct sealing and test the duct leakage for compliance with Section C403.13 or Section C503.3.3.
(History: Ord. No. BC-3499, §167, 2026)
Effective on: 1/1/1901
16.370.C108 (Deleted)
Section C108 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §168, 2026)
Effective on: 1/1/1901
16.370.C109 (Deleted)
Section C109 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §169, 2026)
Effective on: 1/1/1901
16.370.C110 (Deleted)
Section C110 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §170, 2026)
Effective on: 1/1/1901
16.370.C402.6.2
Section C402.6.2 of the International Energy Conservation Code is hereby amended to read as follows:
C402.6.2 Air leakage compliance. Air leakage of the building thermal envelope shall be tested by an approved third party in accordance with Section C402.6.2.1. The measured air leakage shall not be greater than 0.35 cubic feet per minute per square foot (1.8 L/s x m2 ) of the buiilding thermal envelope area at a pressure differential of 0.3 inch water gauge (75 Pa) with the calculated building thermal envelope surface area being the sum of the above- and below- grade building thermal envelope.
Exceptions:
1.
Where the measured air leakage rate is greater than 0.35 cfm/ft2 (1.8 L/s x m2 ) but is not greater than 0.45 cfm/ft2 (2.3 L/s x m2 ), the approved third party shall perform a diagnostic evaluation using a smoke tracer or infrared imaging. The evaluation shall be conducted while the building is pressurized or depressurized along with a visual inspection of the air barrier in accordance with ASTM-E1186. All identified leaks shall be sealed where such sealing can be made without damaging existing building components. A report specifying the corrective actions taken to seal leaks shall be deemed to establish compliance with the requirements of this section where submitted to the code official and the building owner. Where the measured air leakage rate is greater than 0.45 cfm/ft2 (2.3 L/s x m2 ), corrective actions must be made to the building and an additional test completed for which the results are 0.45 cfm/ft2 (2.3 L/s x m2 ) or less.
2.
Buildings in Climate Zone 2B.
3.
Buildings in Climate Zones 0 through 4, other than Group 1 and R occupancies, that comply with Section C402.6.2.3.
4.
As an alternative, buildings or portions of buildings containing Group I-1 and R-2 occupancies shall be permitted to be tested by an approved third party in accordance with Section C402.6.2.2. The reported air leakage of the building thermal envelope shall not be greater than 0.27 cfm/ft2 (1.4 L/s x m2 ) of the testing unit enclosure area at a pressure differential of 0.2 inch water gauge (50 Pa).
C402.6.2.1 Whole building test method and reporting.
Exceptions:
1.
For buildings less than 10,000 square feet (929 m2), the entire building thermal envelope shall be permitted to be tested in accordance with ASTM E779, ASTM E3158, ASTM E1827 or an equivalent approved method.
2.
For buildings greater than 50,000 square feet (4645 m2), portions of the building shall be permitted to be tested and the measured air leakage shall be area weighted by the surface areas of the building thermal envelope in each portion. The weighted-average tested air leakage shall not be greater than the whole building air leakage limit. The following portions of the building shall be tested:
2.1 The entire building thermal envelope area of stories that have any conditioned spaces directly under a roof.
2.2 The entire building thermal envelope area of stories that have a building entrance, have a floor over unconditioned space, have a loading dock or that are below grade.
2.3 Representative above-grade portions of the building totaling not less than 25 percent of the wall area enclosing the remaining conditioned space.
C402.6.2.2 Dwelling and sleeping unit enclosure method and reporting. The building thermal envelope shall be tested for air leakage in accordance with ASTM E779, ANSI/RESNET/ICC 380, ASTM E1827 or an equivalent approved method. Where multiple dwelling units or sleeping units or other spaces are contained within one building thermal envelope, each shall be considered an individual testing unit, and the building air leakage shall be the weighted average of all tested unit results, weighted by each testing unit enclosure area. Units shall be tested without simultaneously testing adjacent units and shall be separately tested as follows:
1.
Where buildings have less than eight total dwelling or sleeping units, each testing unit shall be tested.
2.
Where buildings have eight or more dwelling or sleeping units, the greater of seven units or 20 percent of the units in the building shall be tested, including a top floor unit, a middle 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 three units shall be tested, including a mixture of testing unit types and locations.
3.
Enclosed spaces with not less than one exterior wall in the building thermal envelope shall be tested in accordance with Section C402.6.2.1.
Exception: Corridors, stairwells, and enclosed spaces having a conditioned floor area not greater than 1,500 square feet (139 m2) shall be permitted to comply with Section C402.6.2.3 and either Section C402.6.2.3.1 or Section C402.6.2.3.2.
C402.6.2.3 Building thermal envelope design and construction verification criteria. Where Section C402.6.2.1 and C402.6.2.2 are not applicable the installation of the continuous air barrier shall be verified by the code official, a registered design professional or approved agency in accordance with the following:
1.
A review of the construction documents and other supporting data shall be conducted to assess compliance with the requirements in Section C402.6.1.
2.
Inspection of continuous air barrier components and assemblies shall be conducted during construction to verify compliance with the requirements of Sections C402.6.2.3.1 and C402.6.2.3.2. The air barrier shall be provided with access for inspection and repair.
3.
A final inspection report shall be provided for inspections completed by the registered design professional or approved agency. The inspection report shall be provided to the building owner or owner’s authorized agent and the code official. The report shall identify deficiencies found during inspection and details of corrective measures taken.
C402.6.2.3.1 Materials. Materials with an air permeability not greater than 0.004 cfm/ft2 (0.02 L/s × m2) under a pressure differential of 0.3 inch water gauge (75 Pa) when tested in accordance with ASTM E2178 shall comply with this section. Materials in Items 1 through 16 shall be deemed to comply with this section, provided that joints are sealed and materials are installed as air barriers in accordance with the manufacturer’s instructions.
1.
Plywood with a thickness of not less than 3/8 inch (10 mm).
2.
Oriented strand board having a thickness of not less than 3/8 inch (10 mm).
3.
Extruded polystyrene insulation board having a thickness of not less than 1/2 inch (12.7 mm).
4.
Foil-back polyisocyanurate insulation board having a thickness of not less than 1/2 inch (12.7 mm).
5.
Open-cell spray foam with a density between 0.4 and 1.5 pcf (0.6 and 2.4 kg/m3) and having a thickness of not less than 4.5 inches (113 mm).
6.
Exterior or interior gypsum board having a thickness of not less than 1/2 inch (12.7 mm).
7.
Cement board having a thickness of not less than 1/2 inch (12.7 mm).
8.
Built-up roofing membrane.
9.
Modified bituminous roof membrane.
10.
Single-ply roof membrane.
11.
A Portland cement/sand parge, or gypsum plaster having a thickness of not less than 5/8 inch (15.9 mm).
12.
Cast-in-place and precast concrete.
13.
Fully grouted concrete block masonry.
14.
Sheet steel or aluminum.
15.
Solid or hollow masonry constructed of clay or shale masonry units.
16.
A final inspection report shall be provided for inspections completed by the registered design professional or approved agency. The inspection report shall be provided to the building owner or owner’s authorized agent and the code official. The report shall identify deficiencies found during inspection and details of corrective measures taken.
C402.6.2.3.2 Assemblies. Assemblies of materials and components with an average air leakage not greater than 0.04 cfm/ft2 (0.2 L/s × m2) under a pressure differential of 0.3 inch of water gauge (75 Pa) where tested in accordance with ASTM E2357, ASTM E1677, ASTM D8052 or ASTM E283 shall comply with this section. Assemblies listed in Items 1 through 3 below shall be deemed to comply, provided that joints are sealed and the requirements of Section C402.6.1.2 are met.
1.
Concrete masonry walls coated with either one application of block filler or two applications of a paint or sealer coating.
2.
Masonry walls constructed of clay or shale masonry units with a nominal width greater than or equal to 4 inches (102 mm).
3.
A Portland cement/sand parge, stucco or plaster not less than 1/2 inch (12.7 mm) in thickness.
(History: Ord. No. BC-3499, §171, 2026)
Effective on: 1/1/1901
16.370.C403.7.1
Section C403.7.1 of the International Energy Conservation Code is hereby amended to read as follows:
C403.7.1 Demand control ventilation. Demand control ventilation (DCV) shall be provided for the following:
1.
Spaces larger than 250 square feet (23 m2) in Climate Zones 5A, 6, 7, and 8 and spaces larger than 500 square feet (46.5 m2) in other climate zones that have a design occupant load of 15 people or greater per 1,000 square feet (93 m2) of floor area, as established in Table 403.3.1.1 of the International Mechanical Code, and are served by systems with one or more of the following:
1.1. An air-side economizer.
1.2. Automatic modulating control of the outdoor air damper.
1.3. A design outdoor airflow greater than 3,000 cfm (1416 L/s).
Exceptions:
1.
Spaces served by systems with energy recovery in accordance with Section C403.7.4.2 and that have a floor area less than:
1.1. 6,000 square feet (557 m2) in Climate Zone 3C.
1.2. 2,000 square feet (186 m2) in Climate Zones 1A, 3B and 4B.
1.3. 1,000 square feet (93 m2) in Climate Zones 2A, 2B, 3A, 4A, 4C, 5 and 6.
1.4. 400 square feet (37 m2) in Climate Zones 7 and 8.
2.
Multiple-zone systems without direct digital control of individual zones communicating with a central control panel.
3.
Spaces served by multiple-zone systems with a design outdoor airflow less than 750 cfm (354 L/s).
4.
Spaces where more than 75 percent of the space design outdoor airflow is required for makeup air that is exhausted from the space or transfer air that is required for makeup air that is exhausted from other spaces.
5.
Spaces with one of the following occupancy classifications as defined in Table 403.3.1.1 of the International Mechanical Code: correctional cells, education laboratories, barber, beauty and nail salons, and bowling alley seating areas.
6.
Spaces where the registered design professional demonstrates an engineered ventilation system design that:
6.1. Prevents the maximum concentration of contaminants from being more than that obtainable by the required rate of outdoor air ventilation.
6.2. Allows the required minimum design rate of outdoor air to be reduced by not less than 15 percent.
(History: Ord. No. BC-3499, §172, 2026)
Effective on: 1/1/1901
16.370.C403.7.8 (Deleted)
Section C403.7.8 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §173, 2026)
Effective on: 1/1/1901
16.370.C405.2.4
Section C405.2.4 of the International Energy Conservation Code is hereby amended to read as follows; provided however, Figures C405.2.4.2(1), C405.2.4.2(2), C405.2.4.2(3), C405.2.4.3 and C405.2.4.4 shall continue to read as originally published in the 2024 International Energy Conservation Code and accordingly said figures are not reprinted but are incorporated by reference:
C405.2.4 Daylight responsive controls. Daylight responsive controls complying with Section C405.2.4.1 shall be provided to control the general lighting within daylight zones in the following spaces:
1.
Spaces with a total of more than 150 watts of general lighting within primary sidelit daylight zones complying with Section C405.2.4.2.
2.
Spaces with a total of more than 300 watts of general lighting within sidelit daylight zones complying with Section C405.2.4.2.
3.
Spaces with a total of more than 150 watts of general lighting within toplit daylight zones complying with Section C405.2.4.3.
Exceptions:
1.
Daylight responsive controls are not required for the following:
2.
Spaces in health care facilities where patient care is directly provided.
3.
Sidelit daylight zones on the first floor above grade in Group A-2 and Group M occupancies.
4.
Enclosed office spaces less than 250 square feet (23.2 m2).
C405.2.4.1 Daylight responsive control function. Where required, daylight responsive controls shall be provided within each space for control of lights in that space and shall comply with all of the following:
1.
Lights in toplit daylight zones in accordance with Section C405.2.4.3 shall be controlled independently of lights in sidelit daylight zones in accordance with Section C405.2.4.2.
2.
Lights in the primary sidelit daylight zone shall be controlled independently of lights in the secondary sidelit daylight zone.
3.
Daylight responsive controls within each space shall be configured so that they can be calibrated from within that space by authorized personnel.
4.
Calibration mechanisms shall be in a location with ready access.
5.
Daylight responsive controls shall dim lights continuously from full light output to 15 percent of full light output or lower.
6.
Daylight responsive controls shall be configured to completely shut off all controlled lights.
7.
When occupant sensor controls have reduced the lighting power to an unoccupied setpoint in accordance with Sections C405.2.1.2 through C405.2.1.4, daylight responsive controls shall continue to adjust electric light levels in response to available daylight, but shall be configured to not increase the lighting power above the specified unoccupied setpoint.
8.
Lights in sidelit daylight zones in accordance with Section C405.2.4.2 facing different cardinal orientations [within 45 degrees (0.79 rad) of due north, east, south, west] shall be controlled independently of each other.
Exceptions:
1.
Within each space, up to 150 watts of lighting within the primary sidelit daylight zone is permitted to be controlled together with lighting in a primary sidelit daylight zone facing a different cardinal orientation.
2.
Within each space, up to 150 watts of lighting within the secondary sidelit daylight zone is permitted to be controlled together with lighting in a secondary sidelit daylight zone facing a different cardinal orientation.
C405.2.4.2 Sidelit daylight zone. The sidelit daylight zone is the floor area adjacent to vertical fenestration that complies with all of the following:
1.
Where the fenestration is located in a wall, the primary sidelit daylight zone shall extend laterally to the nearest full-height wall, or up to 1.0 times the height from the floor to the top of the fenestration, and longitudinally from the edge of the fenestration to the nearest full-height wall, or up to 0.5 times the height from the floor to the top of the fenestration, whichever is less, as indicated in Figure C405.2.4.2(1).
2.
Where the fenestration is located in a rooftop monitor, the primary sidelit daylight zone shall extend laterally to the nearest obstruction that is taller than 0.7 times the ceiling height, or up to 1.0 times the height from the floor to the bottom of the fenestration, whichever is less, and longitudinally from the edge of the fenestration to the nearest obstruction that is taller than 0.7 times the ceiling height, or up to 0.25 times the height from the floor to the bottom of the fenestration, whichever is less, as indicated in Figures C405.2.4.2(2) and C405.2.4.2(3).
3.
Where the fenestration is located in a wall, the secondary sidelit daylight zone is directly adjacent to the primary sidelit daylight zone and shall extend laterally to 2.0 times the height from the floor to the top of the fenestration or to the nearest full-height wall, whichever is less, and longitudinally from the edge of the fenestration to the nearest full-height wall, or up to 0.5 times the height from the floor to the top of the fenestration, whichever is less, as indicated in Figure C405.2.4.2(1).
4.
The area of the fenestration is not less than 24 square feet (2.23 m).
5.
The distance from the fenestration to any building or geological formation that would block access to daylight is greater than one-half of the height from the bottom of the fenestration to the top of the building or geologic formation.
6.
The visible transmittance of the fenestration is not less than 0.20.
7.
The projection factor (determined in accordance with Equation 4-4) for any overhanging projection that is shading the fenestration is not greater than 1.0 for fenestration oriented 45 degrees or less from true north and not greater than 1.5 for all other orientations.
FIGURE C405.2.4.2(1)—PRIMARY AND SECONDARY SIDELIT DAYLIGHT ZONES - see figure as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
FIGURE C405.2.4.2(2)—DAYLIGHT ZONE UNDER A ROOFTOP MONITOR - see figure as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
FIGURE C405.2.4.2(3)—DAYLIGHT ZONE UNDER A SLOPED ROOFTOP MONITOR - see figure as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
C405.2.4.3 Toplit daylight zone. The toplit daylight zone is the floor area underneath a roof fenestration assembly that complies with all of the following:
1.
The toplit daylight zone shall extend laterally and longitudinally beyond the edge of the roof fenestration assembly to the nearest obstruction that is taller than 0.7 times the ceiling height, or up to 0.7 times the ceiling height, whichever is less, as indicated in Figure C405.2.4.3.
2.
Direct sunlight is not blocked from hitting the roof fenestration assembly at the peak solar angle on the summer solstice by buildings or geological formations.
3.
The product of the visible transmittance of the roof fenestration assembly and the area of the rough opening of the roof fenestration assembly divided by the area of the toplit zone is not less than 0.008.
FIGURE C405.2.4.3—TOPLIT DAYLIGHT ZONE - see figure as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
C405.2.4.4 Atriums. Daylight zones at atrium spaces shall be established at the top floor surrounding the atrium and at the floor of the atrium space, and not on intermediate floors, as indicated in Figure C405.2.4.4.
FIGURE C405.2.4.4—DAYLIGHT ZONES AT A MULTISTORY ATRIUM - see figure as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
(History: Ord. No. BC-3499, §174, 2026)
Effective on: 1/1/1901
16.370.C405.2.10 (Deleted)
Section C405.2.10 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §175, 2026)
Effective on: 1/1/1901
16.370.C405.13
Section C405.13 of the International Energy Conservation Code is hereby amended to read as set forth hereafter; provided however, Tables C405.13.2 and C405.13.8 shall continue to read as originally published in the 2024 International Energy Conservation Code and accordingly said tables are not reprinted but are incorporated by reference:
C405.13 Energy monitoring. New buildings with a gross conditioned floor area of not less than 25,000 square feet (2,322.58 m2) shall be equipped to measure, monitor, record and report energy consumption in accordance with Sections C405.13.1 through C405.13.6 for load categories indicated in Table C405.13.2 and Sections C405.13.7 through C405.13.11 for end-use categories indicated in Table C405.13.8.
Exceptions:
1.
Dwelling units in R-2 occupancies.
2.
Individual tenant spaces are not required to comply with this section provided that the space has its own utility services and meters and has less than 5,000 square feet (464.5 m2) of conditioned floor area.
C405.13.1 Electrical energy metering. For electrical energy supplied to the building and its associated site, including but not limited to site lighting, parking, recreational facilities and other areas that serve the building and its occupants, meters or other measurement devices shall be provided to collect energy consumption data for each end-use category required by Section C405.13.2.
C405.13.2 End-use electric metering categories. Meters or other approved measurement devices shall be provided to collect energy use data for each end-use category indicated in Table C405.13.2. Where multiple meters are used to measure any end-use category, the data acquisition system shall total all of the energy used by that category. Not more than 5 percent of the design load for each of the end-use categories indicated in Table C405.13.2 shall be permitted to be from a load that is not within that category.
Exceptions:
1.
HVAC and water heating equipment serving only an individual dwelling unit shall not require end-use metering.
2.
End-use metering shall not be required for fire pumps, stairwell pressurization fans or any system that operates only during testing or emergency.
3.
End-use metering shall not be required for an individual tenant space having a floor area not greater than 2,500 square feet (232 m2) where a dedicated source meter complying with Section C405.13.3 is provided.
TABLE C405.13.2 - see table as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
C405.13.3 Electrical meters. Meters or other measurement devices required by this section shall be configured to automatically communicate energy consumption data to the data acquisition system required by Section C405.13.4. Source meters shall be allowed to be any digital-type meter. Lighting, HVAC or other building systems that can self-monitor their energy consumption shall be permitted instead of meters. Current sensors shall be permitted, provided that they have a tested accuracy of ±2 percent. Required metering systems and equipment shall have the capability to provide at least hourly data that is fully integrated into the data acquisition system and graphical energy report in accordance with Sections C405.13.4 and C405.13.5. Nonintrusive load monitoring (NILM) packages that extract energy consumption data from detailed electric waveform analysis shall be permitted to substitute for individual meters if the equivalent data is available for collection in Section C405.13.4 and reporting in Section C405.13.5.
C405.13.4 Electrical energy data acquisition system. A data acquisition system shall have the capability to store the data from the required meters and other sensing devices for a minimum of 36 months. The data acquisition system shall have the capability to store real-time energy consumption data and provide hourly, daily, monthly and yearly logged data for each end-use category required by Section C405.13.2. The data acquisition system shall have the capability of providing building total peak electric demand and the time(s) of day and time(s) per month at which the peak occurs. Peak demand shall be integrated over the same time period as the underlying whole-building meter reading rate.
C405.13.5 Graphical energy report. A permanent and readily available reporting mechanism shall be provided in the building for access by building operation and management personnel. The reporting mechanism shall have the capability to graphically provide the energy consumption for each end-use category required by Section C405.13.2 not less than every hour, day, month and year for the previous 36 months.
C405.13.6 Renewable energy. On-site renewable energy sources shall be metered with no less frequency than nonrenewable energy systems in accordance with Section C405.13.3.
C405.13.7 Nonelectrical energy submetering. For all nonelectrical energy supplied to the building and its associated site that serves the building and its occupants, submeters or other measurement devices shall be provided to collect energy consumption data for each end-use category required by Section C405.13.8.
Exceptions:
1.
HVAC and water heating equipment serving only an individual dwelling unit shall not require end-use submetering.
2.
End-use submetering shall not be required for fire pumps, stairwell pressurization fans or any system that operates only during testing or emergency.
3.
End-use submetering shall not be required for an individual tenant space having a floor area not greater than 2,500 square feet (232 m2) where a dedicated source meter complying with Section C405.13.9 is provided.
4.
Equipment powered primarily by solid fuels serving loads other than building heating and service water heating loads.
C405.13.8 End-use nonelectrical submetering categories. Submeters or other approved measurement devices shall be provided to collect energy use data for each end-use category indicated in Table C405.13.8. Where multiple submeters are used to measure any end-use category, the data acquisition system shall total all of the energy used by that category. Not more than 5 percent of the design load for each of the end-use categories indicated in Table C405.13.8 shall be permitted to be from a load that is not within that category.
TABLE C405.13.8 - see table as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
C405.13.9 Nonelectrical submeters. Submeters or other measurement devices required by this section shall be configured to automatically communicate energy consumption data to the data acquisition system required by Section C405.13.10. Source submeters shall be allowed to be any digital-type meter that can provide a digital output to the data acquisition system. Required submetering systems and equipment shall be fully integrated into the data acquisition system and graphical energy report that updates at least hourly in accordance with Sections C405.13.10 and C405.13.11.
C405.13.10 Nonelectrical energy data acquisition system. A data acquisition system shall have the capability to store the data from the required submeters and other sensing devices for not less than 36 months. The data acquisition system shall have the capability to store real-time energy consumption data and provide hourly, daily, monthly and yearly logged data for each end-use category required by Section C405.13.8. The data acquisition system shall have the capability of providing building total nonelectrical peak demand and the time(s) of day and time(s) per month at which the peak occurs. Where applicable as determined by the authority having jurisdiction (AHJ), peak demand shall be integrated over the same time period as the underlying whole-building meter reading rate.
C405.13.11 Graphical energy report. A permanent and readily accessible reporting mechanism shall be provided in the building that is accessible by building operation and management personnel. The reporting mechanism shall have the capability to graphically provide the nonelectrical energy consumption for each end-use category required by Section C405.13.8 not less than every hour, day, month and year for the previous 36 months. The graphical report shall incorporate natural gas interval data from the submeter or the ability to enter gas utility bills into the report.
(History: Ord. No. BC-3499, §176, 2026)
Effective on: 1/1/1901
16.370.C405.15 (Deleted)
Section C405.15 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §177, 2026)
Effective on: 1/1/1901
16.370.C406.2.2.4 (Deleted)
Section 16.370.C406.2.2.4 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §178, 2026)
Effective on: 1/1/1901
16.370.C406.2.5.5
Section C406.2.5.5 of the International Energy Conservation Code is hereby amended to read as follows:
C406.2.5.5 L05 Residential light control. In buildings with Group R-2 occupancy spaces, interior lighting systems shall comply with the following:
1.
In common areas, the following space types shall have occupant sensor controls that comply with the requirements of Section C405.2.1.1:
1.1. Laundry/washing areas.
1.2. Dining areas.
1.3. Food preparation areas.
1.4. Seating areas.
1.5. Exercise areas.
1.6. Massage spaces.
2.
In dwelling units, not less than one receptacle in each living room and each sleeping room shall be controlled by a switch in that room.
(History: Ord. No. BC-3499, §179, 2026)
Effective on: 1/1/1901
16.370.C502.3.8 (Deleted)
Section C502.3.8 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §180, 2026)
Effective on: 1/1/1901
16.370.R101.1
Section R101.1 of the International Energy Conservation Code is hereby amended to read as follows:
R101.1 Title. This code shall be known as the Energy Conservation Code of the City of Overland Park , hereinafter referred to as “this code.”
(History: Ord. No. BC-3499, §181, 2026)
Effective on: 1/1/1901
16.370.R101.2
Section R101.2 of the International Energy Conservation Code is hereby amended to read as follows:
R101.2 Scope. This code applies to the design and construction of Group R-2, R-3 and R-4 buildings three stories or less in height above grade plane.
(History: Ord. No. BC-3499, §182, 2026)
Effective on: 1/1/1901
16.370.R101.5
Section R101.5 of the International Energy Conservation Code is hereby added to read as follows:
R101.5 Administration and Enforcement. The administration and enforcement provisions for this code shall be those provisions contained in Sections 103 through 116 of the International Building Code in OPMC 16.300 et seq.
(History: Ord. No. BC-3499, §183, 2026; Ord. No. BC-3286 §168, 2020)
Effective on: 1/1/1901
16.370.R103 (Deleted)
Section R103 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §184, 2026; Ord. No. BC-3286 §169, 2020; Ord. No. BC-2635 §211, 2007; Ord. No. BC-2459 §137, 2004; Ord. No. BC-2237 §8, 2001 )
Effective on: 1/1/1901
16.370.R105.2
Section R105.2 of the International Energy Conservation Code is hereby added to read as follows:
R105.2 Information on construction documents. Construction documents shall be drawn to scale on suitable material. Electronic media documents are permitted to be submitted where approved by the code official. Construction documents shall be of sufficient clarity to indicate the location, nature and extent of the work proposed, and show in sufficient detail pertinent data and features of the building, systems and equipment as herein governed. Details shall include the following as applicable:
1.
Energy compliance path.
2.
Insulation materials and their R-values.
3.
Fenestration U-factors and solar heat gain coefficients (SHGC).
4.
Area-weighted U-factor and solar heat gain coefficients (SHGC) calculations.
5.
Mechanical system design criteria.
6.
Mechanical and service water-heating systems and equipment types, sizes and efficiencies.
7.
Equipment and system controls.
8.
Duct sealing, duct and pipe insulation and location.
9.
Air sealing details.
10.
The additional energy requirements chosen from Section R408.
R105.2.1 Building thermal envelope depiction. The building thermal envelope shall be represented on the construction documents.
R105.2.2 Solar-ready system. Where a solar-ready zone is provided, the construction documents shall indicate details for a dedicated roof area for the solar-ready zone, roof dead load, roof live load, ground snow load and the routing of conduit or prewiring from the solar-ready zone to an electrical service panel or plumbing from the solar-ready zone to a service water heating system.
(History: Ord. No. BC-3499, §185, 2026)
Effective on: 1/1/1901
16.370.R106 (Deleted)
Section R106 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §186, 2026)
Effective on: 1/1/1901
16.370.R107
Section R107 of the International Energy Conservation Code is hereby amended to read as follows:
R107 SPECIAL INSPECTIONS AND TESTS
Where application is made to the building official for construction as specified in Section 105 of the International Building Code, the owner or owner’s authorized agent, other than the contractor, shall employ one or more approved agencies to provide special inspections and tests during construction on the types of work specified in this section. An approved agency shall be one that meets the requirements as specified in Section 1703 of the International Building Code.
The following shall be provided prior to issuance of a permit:
1.
The design professional in responsible charge shall provide a statement of intent listing the required special inspections and tests in accordance with Section R107.1 through R107.4.
2.
A letter of confirmation from the approved agency or agencies shall be provided to the building official that confirms the agency has been hired to perform the required inspections.
R107.1 Air barrier . An approved third party agency shall inspect the air barrier in accordance with the approved plans and Section R402.5.
R107.2 Insulation and thermal envelope. An approved third party agency shall inspect the installation of the insulation and other thermal envelope components in accordance with the approved plans and Section R402.5.
R107.3 Air tightness. An approved third party agency shall test the air tightness of the building in accordance with Section R402.5.
R107.4 Duct sealing and leakage. An approved third party agency shall inspect the duct sealing and test the duct leakage for compliance with Section R403.3 or Section R503.1.
(History: Ord. No. BC-3499, §187, 2026)
Effective on: 1/1/1901
16.370.R108 (Deleted)
Section R108 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §188, 2026)
Effective on: 1/1/1901
16.370.R109 (Deleted)
Section R109 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §189, 2026)
Effective on: 1/1/1901
16.370.R110 (Deleted)
Section R110 of the International Energy Conservation Code is hereby intentionally deleted and omitted.
(History: Ord. No. BC-3499, §190, 2026)
Effective on: 1/1/1901
16.370.R405.2
Section R405.2 of the International Energy Conservation Code is hereby amended to read as set forth hereafter; provided however, Table R405.2 shall continue to read as originally published in the 2024 International Energy Conservation Code and accordingly said table is not reprinted but is incorporated by reference:
R405.2 Simulated building performance compliance. Compliance based on simulated building performance requires that a building comply with the following:
1.
The requirements of the sections indicated within Table R405.2.
2.
The proposed total building thermal envelope thermal conductance (TC) shall be less than or equal to the required total building thermal envelope TC using the prescriptive U-factors and F-factors from Table R402.1.2 multiplied by 1.08 in Climate Zones 0, 1 and 2, and 1.15 in Climate Zones 3 through 8, in accordance with Equation 4-2 and Section R402.1.5. The area-weighted maximum fenestration SHGC permitted in Climate Zones 0 through 3 shall be 0.30.
Equation 4-2 For Climate Zones 0–2: TCProposed design 1.08 × TCPrescriptive reference design
For Climate Zones 3–8: TCProposed design 1.15 × TCPrescriptive reference design
3.
For all dwelling units, the annual energy cost of the proposed design shall be less than or equal to 85 percent of the annual energy cost of the standard reference design. For each dwelling unit with greater than 5,000 square feet (465 m2) of living space located above grade plane, the annual energy cost of the dwelling unit shall be reduced by an additional 5 percent of annual energy cost of the standard reference design. Energy prices shall be taken from an approved source, such as the US Energy Information Administration’s State Energy Data System prices and expenditures reports. Code officials shall be permitted to require time-of-use pricing in energy cost calculations.
Exceptions:
1.
The energy use based on source energy expressed in Btu or Btu per square foot of conditioned floor area shall be permitted to be substituted for the energy cost. The source energy multiplier for electricity shall be 2.51. The source energy multipliers shall be 1.09 for natural gas, 1.15 for propane, 1.19 for fuel oil, and 1.30 for imported liquified natural gas.
2.
The energy use based on site energy expressed in Btu or Btu per square foot of conditioned floor area shall be permitted to be substituted for the energy cost.
TABLE R405.2 - see table as originally published in the 2024 International Energy Conservation Code , which is incorporated herein by reference.
(History: Ord. No. BC-3499, §191, 2026)
Effective on: 1/1/1901
