Heating, Air Conditioning and Refrigeration Technology + Technician (ACH + ACR + ACHR + HRAC + HVAC is a Campus Certificate program from Professional Technical Institution Inc. You can see all the questions related to this degree or you can ask your own. Why don't you try answering to some questions and help potential students? For more details about this Certificate degree go on the program page. If you want to see all questions related to this school go on the Professional Technical Institution Inc questions page. For a list of all this institution courses visit Professional Technical Institution Inc dedicated page