What Is An HVAC System?   First and foremost, HVAC stands for heating, ventilation, and air conditioning. Heating, ventilation, and air conditioning (HVAC) is the technology of indoor and vehicular environmental comfort. Its goal is to provide thermal comfort and acceptable indoor air quality. Wikipedia defines HVAC as: “Heating, ventilation, and air conditioning (HVAC)[1] is the technology of … Continue reading What is an HVAC System and What are its Parts?