Why Choose Variable Speed Motors for AC Units?

​The heating and air conditioning industry was pushed to integrate the variable speed motors for AC units to fulfill its customers’ desire for higher efficiencies, better comfort, and improved air quality. But the response to purchase the new model was not good as much as the industry expected, particularly among the residential industry. Until around the late 90’s, the variable speed motors were not in use in the residential arena. May be the reason was price.

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