How to Prevent Heating and Air Conditioning Problems

The American heating, ventilation, and air conditioning (HVAC) industry generates an estimated $71 billion in revenue every year. Currently, an estimated 85,469 heating and air conditioning businesses are in operation, employing an estimated 301,123 people, and the industry is continuing to expand: from 2009 to 2014, it grew by an estimated 4.1% each year. With…

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