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Air Conditioners operate by having warm air move across the evaporator coil. This causes the refrigerant to heat and expand, then cool and compress to chill the air. Next, the article looks at the different types of air conditioning units. Central, heat pump, portable, window, and ductless split air conditioners are all listed as types.
Different types of common air conditioner problems include: refrigerant leaks, drainage problems, and frozen condenser coils. The article ends by discussing how AC units are measured for efficiency.

Read more: Expert Answers to Your AC & Air Conditioning Questions