PDFWAC 51-11R-30200

Section R302Design conditions.

R302.1 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.
R302.2 Exterior design conditions. The heating or cooling outdoor design temperatures shall be selected from Appendix RC.
[Statutory Authority: RCW 19.27A.020, 19.27A.045, 19.27A.160, and chapter 19.27A RCW. WSR 24-03-084, § 51-11R-30200, filed 1/16/24, effective 3/15/24. Statutory Authority: RCW 19.27A.020, 19.27A.045 and chapters 19.27 and 34.05 RCW. WSR 13-04-055, § 51-11R-30200, filed 2/1/13, effective 7/1/13.]