"An air-conditioning unit is just the physical manifestation of the Carnot Cycle - which is talking about heat exchange between two closed systems, " he droned.
Last summer, when temperatures climbed to the low 100s, they used a small air-conditioning unit but offset much of its energy use with the solar panels soaking up the Arizona sun.
The ES is critical to aircraft operation it distributes power around the aircraft from the engines and the Auxiliary Power Unit (APU) which provides the power to operate the airconditioning and to start the engines at the gate to all the systems requiring electricity.