We use energy to not only heat our human-made structures but we use it to cool them as well. Energy is necessary for getting up out of bed, walking down the street, or even lifting your finger. It's also necessary in abundance for all types of modern conveniences, from light bulbs to appliances to vehicles.
The types and major end uses of energy by the U.S. residential sector include:
electricity—all types of energy end uses
natural gas—space and water heating, clothes drying, cooking
heating oil—space and water heating, clothes drying
LPG/propane—space and water heating, clothes drying, cooking
kerosene—space heating
geothermal energy—space cooling, and space and water heating
solar energy—space and water heating, electricity generation
wood (cord wood and wood pellets)—space and water heating, cooking