Bill Messick

Bill Messick is currently the General Manager at NATIONAL HVAC SERVICE, where Bill has been since May 2019. Prior to that, Bill served as the Vice President of Sales at ASI Controls from August 2000 to May 2019. With extensive experience in the HVAC industry, Bill previously worked as the Operations Manager at NATIONAL HVAC SERVICE from 1993 to August 2000. Bill also has a background in sales from their time as an HVAC Equipment Sales Rep at Delmarva Oil from 1990 to 1993. Before transitioning to the HVAC industry, Bill served as an Operations Manager at John Brandt Co and as a Sergeant in the United States Marine Corps, specializing in aviation ordnance and electronics for Harrier Aircraft. Bill obtained their degree in HVAC Related Industries from Sussex Technical in 1984.