Industry Facts 1

Polystyrenea is a clear plastic or stiff foam, a polymer of styrene, used chiefly as an insulator in refrigerators and air conditioners.

Industry Facts 2

Willis Haviland Carrier is the American engineer who played a key role in inventing air conditioning. He developed (1902) a dehumidifier and discovered that circulating air over cold pipes not only removed water from the air but cooled it.

Industry Facts 3

Energy efficiency ratio is a measure of the efficiency of a heating or cooling system, as a heat pump or air conditioner, equal to the ratio of the output in B.T.U./hour to the input in watts.

Industry Facts 4

The refrigerator was invented by Alexander Twining of the U.S and James Harrison of Australia in 1850.

Industry Fact 5

First used in 1900 in the textile industry, air conditioning found little use outside factories until the late 1920s.

Industry Fact 6

Air-conditioning systems are commonly included as an integral part of the structure of office buildings in the United States.

Industry Fact 7

Most air-conditioning units operate by ducting air across the colder, heat-absorbing side of a refrigeration apparatus and directing it back into the air-conditioned space.

Industry Fact 8

Willis Haviland Carrier developed the first safe and low pressure centrifugal refrigeration machine using non-toxic, nonflammable refrigerant. By controlling humidity as well as temperature, he invented modern air conditioning.