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How Air Conditioners Work?




During hot days, air conditioners are a part of most everyone's life. Find out how air conditioners work in this video.

How Air Conditioning Works Animation--Part 1 of 3
Animation of compression refrigeration cycle and air conditioning
Heat of vaporization
Pressure and boiling point
Why is an aerosol can cold?
Compression refrigeration loop
Condensing and evaporating coolant
Window air conditioning unit
Compressor, expansion valve, evaporator coil, and condensing coil
How Air Conditioning Works Animation--Part 2 of 3 (heating, chillers, and the economizer cycle)
How air conditioning works for big buildings: chillers, cooling towers, air handling units (AHU), chilled water, the economizer cycle, heating, boilers



How Air Conditioning Works Animation--Part 3 of 3 (Heat pump and geothermal)
Animation of compression refrigeration cycle and air conditioning
(See parts 1 and 2 of this sequence for background)
Heat pumps
Ground-source-coupled heat pumps (sometimes called geothermal heat pumps or geo-exchange systems)



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Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

Fraction Concoction Game



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