the first air conditioner came out in 1902.
the first air conditioner came out in 1902.
when did the first air conditioner come out?
1902
section::::history.:electrical air conditioning.









































in 1902, the first modern electrical air conditioning unit was invented by willis carrier in buffalo, new york. after graduating from cornell university, carrier found a job at the buffalo forge company. there, he began experimenting with air conditioning as a way to solve an application problem for the sackett-wilhelms lithographing and publishing company in brooklyn, new york. the first air conditioner, designed and built in buffalo by carrier, began working on 17 july 1902.
air conditioning
in a thermodynamically closed system, any power dissipated into the system that is being maintained at a set temperature (which is a standard mode of operation for modern air conditioners) requires that the rate of energy removal by the air conditioner increase. this increase has the effect that, for each unit of energy input into the system (say to power a light bulb in the closed system), the air conditioner removes that energy. to do so, the air conditioner must increase its power consumption by the inverse of its "efficiency" (coefficient of performance) times the amount of power dissipated into the system. as an example, assume that inside the closed system a 100 w heating element is activated, and the air conditioner has a coefficient of performance of 200%. the air conditioner's power consumption will increase by 50 w to compensate for this, thus making the 100 w heating element cost a total of 150 w of power.
air conditioning