The approximate R- value of an air space in a wall is
A)R- 2.5.
B)R- 1.
C)R- 2.0.
D)R- 1.5.
E)none of the above.

Name: The approximate R- value of an air space in a wall is A)R- 2.5. B)R- 1. C)R- 2.0. D)R- 1.5. E)none of the above.
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Question

Quizplus · Accepted Answer

The approximate R-value of an air space in a wall is R-1. This value can vary slightly depending on factors such as the size of the air space and whether it is ventilated or not, but R-1 is a commonly used approximation.

The Approximate R- Value of an Air Space in a Wall