What is the difference between “Environmental Air Conditioning” and “Commercial Refrigeration/Process Heating and Cooling”?
“Environmental Air Conditioning” means treating air to control temperature, humidity, cleanliness, ventilation, and circulation to meet human comfort requirements. “Environmental” includes central air conditioning and heating. “Commercial Refrigeration” means the use of mechanical or absorption equipment to control temperature or humidity to satisfy the intended use of a specific space. “Process Cooling or Heating” includes controlling temperature, humidity, or cleanliness solely for production requirements or the proper operation of equipment. “Commercial Refrigeration/Process Heating and Cooling” is limited to coolers, freezers, ice machines, and equipment that provides temperature and humidity controls.