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 Washington Administrative Code (Last Updated: November 23, 2016)
 Title 51. Enterprise Services, Department of (Building Code Council)
 Chapter 51-11C. State Building Code adoption and amendment of the 2015 edition of the International Energy Conservation Code, Commercial.

  Section 51-11C-61081. Section A108.1—General.  

Latest version.
  • A108.1 General. Tables A108.1(1) and A108.1(2) list effective air change rates and heat capacities for heat loss due to infiltration for Single-Family Residential.
    The estimated seasonal average infiltration rate in air changes per hour (ACH) is given for standard air-leakage control (see Section R402.4 for air leakage requirements for Single-Family Residential). The effective air change rate shall be used in calculations for compliance under either the Component Performance or Systems Analysis approaches.
    Heat loss due to infiltration shall be computed using the following equation:
    Table A108.1(1)
    Assumed Effective Air Changes
    per Hour
    Table A108.1(2)
    Default Heat Capacity/Density
    Product for Air
    [Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-61081, filed 2/1/13, effective 7/1/13.]
RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-61081, filed 2/1/13, effective 7/1/13.