Title 24 Section 140.4 specifies the design conditions to be used in the load calculations when doing Prescriptive compliance calculations. You have chosen to change those design conditions to a different criteria than what is specified in the code. Click on the Calculations, bottom left and you will see the list of calculations appear in the list above. Select Loads from the list and on the right you will see the Options. The Options should be set as follows:
Winter Design Conditions: Median of Extremes
Summer Design Conditions: 0.5%
Mean Coincident Wetbulb
Ignore Design Day for Schedules.
← Frequently Asked Questions