There is hardly a field of technology that are, and have been so intimately connected with the development of our society, such as energy technology. Access to energy in the form of electricity, heating and vehicle fuels will always be a fundamental prerequisite for a sustainable society. However, it is unlikely that tomorrow's energy sources will be the same as today.
Energy technology covers virtually all types of conversion and transport of energy in different devices and systems. It may be a conversion of the fuel to first heat a boiler or a nuclear reactor, and then converting heat to electrical energy in steam and gas turbines. Buildings are heated, ventilated and possibly cooled to create a comfortable and healthy indoor climate. Systems that can be both large-scale heating and cooling systems or small-scale ones used in an individual house.