The phrase describes an abrupt and forceful start-up of an air con unit. That is usually characterised by a noticeable jolt, a sudden improve in noise, and a momentary dimming of lights inside the constructing. For instance, an older unit with out a soft-start mechanism would possibly exhibit this conduct each time it cycles on.
This operational attribute is vital as a result of it typically signifies underlying points or inefficiencies inside the system. Whereas a tough begin would possibly look like a minor inconvenience, the repeated stress positioned on the compressor and electrical elements can result in untimely failure and elevated vitality consumption. Traditionally, arduous begins have been extra widespread because of the limitations of older motor know-how; nonetheless, fashionable developments have offered options to mitigate this concern.
