HVAC is the term for the various systems used to heat and cool a building as well as move air through the building. HVAC can be a single system or individual systems for the different functions, whether they work together or not. For example, HVAC can entail both a furnace and a ductless air conditioning system or a single heat pump system, or any other combination of heating and cooling components. [Read more…] about New Home Owner Series: What is HVAC?