David Grantham

David Grantham is a seasoned professional in the HVAC industry with over three decades of experience. Currently serving as a Sr. Territory Manager at Shearer Supply, Inc. since October 2020, David also owns and operates Land-Air LLC and SDG Properties LLC, focusing on the heating, air conditioning, and refrigeration sectors. David's extensive background includes roles as an Account Executive at Johnson Controls and an Account Manager at ICF, in addition to past positions in project management and installation at various companies. David holds multiple educational credentials, including an Associate Degree in Liberal Arts and completed courses in Drafting and Design Technology, Heating, Ventilation, Air Conditioning, and Refrigeration Engineering Technology.