Let’s get into what the difference is between HVAC and AC services. The difference is that they refer to different things. “HVAC” stands for heating, ventilation, and air conditioning. AC just refers to air conditioning. HVAC is the blanket term that you’ll hear more often because it refers to so many different things. Your home’s entire comfort system can be summed up as an HVAC system. AC refers to just air conditioning in particular although it can refer to a variety of AC systems. Now that you know the difference, we’re going to go through a variety of HVAC systems that we work on.