Learn about the HVAC schematic and system using these HVAC diagrams. HVAC stands for Heating, Ventilating, and Air Conditioning, and HVAC systems are, effectively, everything from your air conditioner at home to the large systems used in industrial complexes and apartment blocks. The following HVAC diagram shows you the system diagram of HVAC.

HVAC Diagram illustrates the schematic and system of a good HVAC structure. The good system aims to provide thermal control and indoor comfort, and one that is designed using the principles of thermodynamics, fluid mechanics, and heat transfer. The big air conditioner boxes that you might see on top of apartment blocks or offices are examples of (the visible part of) HVAC systems. HVAC system design is a sub-discipline of mechanical engineering, based on the principles of thermodynamics, fluid mechanics and heat transfer. Pay more attention to the other diagrams below and see the structures of the system.


The HVAC consists of various components. The boilers are used to produce hot air throughout the building. The cooling equipment helps to cool the water within the cooling coils. The pumps are used to distribute hot and cold water. The fans are used to exhaust the hot air outside the space.


In understanding the diagram, you should at least be able to read circuit and schematic diagram. If you look at those diagrams and you don’t understand any single of the stroke, call an HVAC professional to have a look at your unit. All of the engineering diagrams above are free and printable. Find more educative diagrams in our site by browsing up our category!