CHAPTER 5 SOLUTIONS

Composite R-value = 19.76 ft2 °F hr/BTU. Step 1: Add the R-values of the materials the wall consists of to calculate the composite R-value of the wall. ft2 °F hr/BTU. Step 1: Add the R-values of the materials the wall consists of to calculate the composite R-value of the wall. ft2 °F hr/BTU. Heat Loss. Step 1: Recall that. ................
................