=+5-41.

Estimate the temperature in an unheated basement that is completely below ground level with heated space above at 72 F (22 C). Assume no insulation and dimensions of 20 x 20 x 7 ft

(6×6 × 2 m). The basement is located in Denver, CO, 40 deg. latitude, 105 deg. longitude.

₹ = 10 F 4 =70 F

$% = 90%

Air film, R = 0.17 Brick. R = 0.8 Sheathing, R = 1.0 Insulation, R = 11 Gypsum, R = 0.45 R in units of (hr-ft2-FV/Btu Figure 5-10 Wall section for Problem 5-36.