Air conditioners: what are they, how do they work
Air conditioner
The air conditioner is a machine capable of developing heat sensitive (positive or negative) that is exchanged with a fluid, which in turn put into circulation gives this heat to an environment for the purpose of innalzarne or lower the temperature.
1. Historical Background
Around 1911 Willis Carrier (United States) took advantage of the changes of state of a gas in order to obtain a change is positive ("hot") and negative ("cold") environment. [] Carrier worked as an engineer in a company that supplied industrial plants. After a year of work he was given the task of solving the problem of controlling humidity in a printing shop in Brooklyn, where the paper was just unusable due to excessive moisture in the air.