Laserfiche WebLink
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 />Page 1 of 5 <br />1329 W McFadden Ave, <br />Unit 24/24/2025