Aluminum is the most abundant metallic element in the Earth's crust. Bauxite ore is the main source of aluminum. Aluminum is used in automobiles and airplanes (36%), bottling and canning industries (25%), building and electrical (14%) and in other applications (25%).
A: The average propane consumption per year for whole-house heating is estimated to be between 1200 and 1500 gallons per year for a 2,200 square foot home. However, the amount of propane a household uses varies depending on its specific uses in the household.
Propane Costs for Larger Homes. A 2,000 square foot home in a mild climate would require about 2 million BTUs of propane, and cost $76 per month to heat. A home in a moderate climate would require 4.0 million BTUs, and cost $152 per month.