Refrigerators, Air Conditioners, and Heat Pumps

Videos

Schematics

Performance

 

Videos

How air conditioners work: http://www.youtube.com/watch?v=1MiQCBIx1mM

How refrigerators (and air conditioners) work: http://www.youtube.com/watch?v=GFttwLutLSY

 

Schematics

		Energy Transfer Schematic			Typical Refrigerator System Schematic

 

COPs

COP = Coefficient of Performance = Q_L/W = QL/(Q_H - Q_L)

Ideal COP = T_L/(T_H - T_L)