If all the ductwork must be replaced or added inside intact walls, it can cost $2,700-$12,000 or more to install gas central heating with a standard-efficiency gas furnace and $3,500-$22,000 or more with a high-efficiency unit.
I want to make a different-sized blanket! How much wool do I need? In my experience, you get about 600 square inches per pound of wool. Why do I have to felt the wool? I thought superwash wool doesnât felt!
1 By sheep from which it is obtained. 2  By fleece. 3  These fibers are strong, fine and elastic fiber which is relatively short, ranging from 1 to 5 inches (25 â 125 mm). 4  Among the different wool fibers, merino wool has the greatest amount of crimp and has maximum number of scales. By fleece. 2  These fibers are strong, fine and elastic fiber which is relatively short, ranging from 1 to 5 inches (25 â 125 mm). 3  Among the different wool fibers, merino wool has the greatest amount of crimp and has maximum number of scales.