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This General Electric short promo film discusses air conditioning and air conditioners. 'What Makes a Room Air Conditioner Work" contains detailed animations and a blonde bombshell showing off highlights of the quiet, reliable General Electric unit. 

The film opens with a woman in long black boots and a trench coat trotting through a thin layer of snow (:11) and a man jogging over a treadmill in sneakers (:18). Heat transfer is discussed (:32) as the woman enters the home from cold outdoors (:32) and presses cold palms on the jogging man’s chest (:38). A female sets up (:52) for a display on how air conditioners work (:52). Transfer of heat is shown in animation (1:11). The case of an air conditioning unit is plucked off (1:43) revealing the two interior compartments of a room air conditioner (1:49). Evaporator coils separate heat from the air in the room (1:58). Animation shows compressor coils, evaporator coils and the compressor (2:12) and how they operate. The barrier, (2:37), compressor, lower wheel and fan (2:58) are pointed out. The blower wheel tugs air into the machine (3:04). Filters clear the air (3:17). The female sets cards within the machine to show the flow of air (3:24). The dew point is discussed as moisture is pushed out (3:46). A cold glass of ice water (3:53) is used in example. Cold air flows back into the room (4:20). Heat transfers from the hot condenser to the cooler (4:38). Moisture from the evaporator flows through the barrier (4:53). Moisture is converted into hot humid air through condensation (5:02). The General Electric air conditioning unit (5:31) is noted to be a quiet machine. The film concludes with the GE logo (5:40). 

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