Center for Integrated Building Design Research Jan 2009 | Page 16

Temperature Solar Insolation 14 Balance Point Temperature Range Psychrometric Chart Analysis of Atmospheric Conditions Isothermal diagrams of temperature and solar insolation were used to provide an understanding of their effects on the existing building as well as the site in general. The balance point temperature for our proposed addition is 22 degrees Fahrenheit, which translates into a very limited requirement for the heating season.