HVAC: It means Heating, Ventilating, Air-Conditioning, it’s a most common term among Commercial and Industrial areas. In residential applications is commonly known as A/C, AC, or just Air Conditioning.
RETROFIT: Refers to the total redo or replacement of and Air System or Central Air System (Chiller or Chillers). Like all things, these machines have a life cycle. Business Owners and Administrators need to be ready for this type of project and designate a portion of their budget towards this capital expense.