PDFWAC 51-11C-30200
Section C302—Design conditions.
C302.1 Interior design conditions. The interior design temperatures used for heating and cooling load calculations shall be a maximum of 72°F (22°C) for heating and minimum of 75°F (24°C) for cooling.
C302.2 Exterior design conditions. The heating or cooling outdoor design temperatures shall be selected from Appendix C.
[Statutory Authority: RCW 19.27A.020, 19.27A.025 and chapters 19.27 and 34.05 RCW. WSR 13-04-056, § 51-11C-30200, filed 2/1/13, effective 7/1/13.]