For comparison, the SI unit of thermal resistance is R = K.m²/W, and 1 ft² F° h / Btu = approx. 0.1761 K.m²/W.
... older. The median age is 44 years. For every 100 females there are 93.5 males. For every 100 females age 18 and over, there are 92.2 males. The median income for a ...