There are many appliances made these days that conserve energy. I would check out energystar.org for the latest information.
A furnace can be heated by fossil fuels like coal, coke, or natural gas, which is chemical energy or it can be electric.
A furnace primarily uses convection to transfer heat. Air is heated within the furnace and then circulated through ducts to warm the surrounding space.
it is a nuclear kind of energy
sloth
Producers
The European brand dishwasher Bosch uses the least amount of energy washing.
a biker uses kinetic energy?
it uses kinetic energy (movement) and a chemical reaction.
Sleeping uses the least amount of energy, as the body is at rest and functions are minimized during this time.
A television uses electrical energy and changes into sound energy.
Nuclear energy sometime uses uranium for its energy source.
alberta uses energy such as coal, gas, and propane