Installing an oversized air conditioning unit that possesses excessive tonnage capacity for a home leads to a severe operational issue known as short-cycling, where the compressor satisfies the thermostat set point too rapidly and shuts down prematurely. Because the cooling cycle is cut short, the system fails to run long enough to properly extract indoor humidity from the air, leaving the home feeling cold, damp, clammy, and prone to mold growth. Furthermore, frequent startup surges increase mechanical wear on the compressor, shorten equipment lifespan, and drive up electricity bills.
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