EGEE 102
Energy Conservation and Environmental Protection

Calculating Annual Heat Loss Examples

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Example 1

Please watch the following 3:29 presentation on Example Problem #1. For the 150-day heating season in Roanoke, VA, the average temperature was 47° F. How much heat is lost through a 176 ft2 wall (R=16) during the entire season?

Annual or Seasonal Heat Loss Problem #1

Example 2

Please watch the following 3:42 presentation on Example Problem #2. In Fargo, ND, the heating season lasts about 220 days and the average outside temperature is around 27° F. How much heat is lost through an 8 ft by 6 ft window (R=1) during the heating season?

Annual or Seasonal Heat Loss Problem #2