Are you considering becoming an HVAC technician, and whether you should focus on residential or commercial HVAC systems? The good news is that you learn about both in the HVAC training program at CyberTex. Classes at the Killeen campus focus on residential and commercial HVAC safety, refrigeration, sheet metal fabrication, and crew leadership. What is HVAC? HVAC, or HVAC/R, stands for heating, ventilation, air conditioning, and refrigeration. HVAC systems are divided into residential and commercial. The main difference is the larger size and complexity of the commercial HVAC systems. Heating A heating unit warms the air entering a home or commercial [...]