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    Robert Scaringe, PE, Ph.D.
    Getting the flushing agent into the lineset: a conical rubber fitting can be wedged into the open lineset and hand-held in position during flushing.

    Robert Scaringe

    President

    Robert Scaringe is president of Mainstream Engineering, Rockledge, Fla. He has been involved in the development of advanced vapor-compression heat pump systems for more than 33 years. He currently has more than 70 HVAC-related patents and more than 100 technical publications. To visit the company’s website, go to www.mainstream-engr.com. Mainstream’s HVAC service products division (www.qwik.com) includes EPA-608, EPA-609, IAQ, Preventative/Maintenance Tech, and Green online certification-training programs.