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2022 Single-Family Residential Mandatory Requirements Summary <br />5/6/22 <br />NOTE:Single-family residential buildings subject to the Energy Codes must comply with all applicable mandatory measures, regardless of the compliance approach <br />used. Review the respective section for more information. <br />(04/2022) <br />Building Envelope: <br />§ 110.6(a)1:Air Leakage. <br />Labeling. <br />§ 110.6(b):Field fabricated exterior doors and fenestration * <br />§ 110.7:Air Leakage. <br />§ 110.8(a):Insulation Certification by Manufacturers. <br />Insulation Requirements for Heated Slab Floors.Heated slab floors must be insulated per the requirements of § 110.8(g). <br />§ 110.8(i):Roofing Products Solar Reflectance and Thermal Emittance. roofing material must meet the requirements of § 110.8(i) and be labeled per §10-113 when the installation of a cool roof is specified <br />§ 110.8(j):Radiant Barrier. <br />§ 150.0(a): <br />Roof Deck, Ceiling and Rafter Roof Insulation.average U-factor not exceeding U-0.184. Ceiling and rafter roofs minimum R-22 insulation in wood-frame ceiling; or area-weighted average U-factor must not exceed 0.043. Rafter roof alterations minimum R-19 or area-weighted average U-factor of 0.054 or less. Attic access doors must have permanently attached insulation using adhesive or mechanical fasteners. The attic access must be gasketed to prevent air leakage. Insulation must be installed in direct contact with a roof or ceiling which is sealed to limit infiltration and exfiltration * <br />Loose-fill Insulation. Loose fill insulation must meet the manufacturer’s required density for the labeled R-value. <br />§ 150.0(c): <br />Wall Insulation. <br />framing or have a U-factor of 0.071 or less. Opaque non-framed assemblies must have an overall assembly U- <br /> * <br />§ 150.0(d):Raised-floor Insulation. * <br />§ 150.0(f): <br />Slab Edge Insulation. <br />without facings, no greater than 0.3 percent; have a water vapor permeance no greater than 2.0 perm per inch; be protected from <br />§ 150.0(g)1:Vapor Retarder.vapor retarder. This requirement also applies to controlled ventilation crawl space for buildings complying with the exception to <br />§ 150.0(g)2:Vapor Retarder. <br />§ 150.0(q):Fenestration Products. * <br />Fireplaces, Decorative Gas Appliances, and Gas Log: <br />§110.5(e)Continuously burning pilot lights are not allowed for indoor and outdoor fireplaces. <br />§150.0(e)1:Masonry or factory-built fireplaces must have a closable metal or glass door covering the entire opening of the firebox. <br />§ 150.0(e)2:Combustion Intake. * <br />§ 150.0(e)3:Flue Damper. <br />Space Conditioning, Water Heating, and Plumbing System: <br />§ 110.0-§ 110.3:Certification. * <br />HVAC Efficiency. <br />§ 110.2(b): <br />Controls for Heat Pumps with Supplementary Electric Resistance Heaters. heaters must have controls that prevent supplementary heater operation when the heating load can be met by the heat pump alone; and in which the cut-on temperature for compression heating is higher than the cut-on temperature for supplementary heating, and * <br />§ 110.2(c):Thermostats. <br /> * <br />Insulation. surface heat loss rating. <br />§ 110.3(c)6:Isolation Valves. <br />2022 Single-Family Residential Mandatory Requirements Summary <br />5/6/22 <br />§ 110.5: <br />Pilot Lights. <br />(except appliances without an electrical supply voltage connection with pilot lights that consume less than 150 Btu per hour ); and pool <br /> * <br />§ 150.0(h)1: <br />Building Cooling and Heating Loads. <br />Equipment Volume, Applications Volume, and Fundamentals Volume; the SMACNA Residential Comfort System Installation <br />Clearances. <br />§ 150.0(h)3B:Liquid Line Drier. <br />Water Piping, Solar Water-heating System Piping, and Space Conditioning System Line Insulation. <br />§ 150.0(j)2: <br />Insulation Protection. <br />maintenance, and wind as required by §120.3(b). Insulation exposed to weather must be water retardant and protected from UV light (no <br />adhesive tapes). Insulation covering chilled water piping and refrigerant suction piping located outside the conditioned space must <br />include, or be protected by, a Class I or Class II vapor retarder. Pipe insulation buried below grade must be installed in a waterproof and <br />§ 150.0(n)1: <br />Gas or Propane Water Heating Systems. <br />designate a space at least 2.5’ x 2.5’ x 7’ suitable for the future installation of a heat pump water heater, and meet electrical and <br />plumbing requirements, based on the distance between this designated space and the water heater location; and a condensate drain no <br />§ 150.0(n)3: <br />Solar Water-heating Systems. <br />Certification Corporation (SRCC),the International Association of Plumbing and Mechanical Officials, Research and Testing (IAPMO <br />R&T), or by a listing agency that is approved by the executive director. <br />Ducts and Fans: <br />§ 110.8(d)3: <br />Ducts. <br />contractor installs the insulation, the contractor must certify to the customer, in writing, that the insulation meets this requirement. <br />§ 150.0(m)1: <br />CMC Compliance. <br />Duct Construction Standards Metal and Flexible 3rd Edition. Portions of supply-air and return-air ducts and plenums must be insulated to <br />R-6.0 or higher; ducts located entirely in conditioned space as confirmed through field verification and diagnostic testing (RA3.1.4.3.8) <br />do not require insulation. Connections of metal ducts and inner core of flexible ducts must be mechanically fastened. Openings must be <br />sealed with mastic, tape, or other duct-closure system that meets the applicable UL requirements, or aerosol sealant that meets UL 723. <br />The combination of mastic and either mesh or tape must be used to seal openings greater than ¼”, If mastic or tape is used. Building <br />cavities, air handler support platforms, and plenums designed or constructed with materials other than sealed sheet metal, duct board or <br />flexible duct must not be used to convey conditioned air. Building cavities and support platforms may contain ducts; ducts installed in <br />. * <br />§ 150.0(m)2: <br />Factory-Fabricated Duct Systems. <br />connections, and closures; joints and seams of duct systems and their components must not be sealed with cloth back rubber adhesive <br />§ 150.0(m)3:Field-Fabricated Duct Systems. <br />mastics, sealants, and other requirements specified for duct construction. <br />§ 150.0(m)7:Backdraft Damper. <br />§ 150.0(m)8:Gravity Ventilation Dampers. <br />§ 150.0(m)9: <br />Protection of Insulation. <br />Insulation exposed to weather must be suitable for outdoor service (e.g., protected by aluminum, sheet metal, painted canvas, or plastic <br />Porous Inner Core Flex Duct. <br />§ 150.0(m)11: <br />Duct System Sealing and Leakage Test. <br />occupiable space, the ducts must be sealed and duct leakage tested, as confirmed through field verification and diagnostic testing, in <br />accordance with Reference Residential Appendix RA3.1. <br />§ 150.0(m)12: <br />Air Filtration. <br />or equivalent filters. Filters for space conditioning systems must have a two inch depth or can be one inch if sized per Equation 150.0-A. <br />Clean-filter pressure drop and labeling must meet the requirements in §150.0(m)12. Filters must be accessible for regular service. Filter <br />racks or grilles must use gaskets, sealing, or other means to close gaps around the inserted filters to and prevents air from bypassing the <br />1316 N Sycamore St, Unit 100 <br />& 101 - 101115529-30 <br />11/8/2023