When you consider that the cooling and heating system in an average home circulates over 1,500 cubic feet of conditioned air every minute, it’s no surprise that HVAC fan problems may occasionally occur. Without a fully functional system blower fan, all the air conditioned comfort you expect in summer—not to mention the cozy winter warmth, too—goes nowhere. Located in the system’s central air handler, the typical fan lasts many years, provided it receives proper annual preventive maintenance by a qualified professional. […]