It is 2018, and this is not your father’s rooftop equipment. The old, reliable system taking up space on the roof has become so much more. Consumer demands for integration have inspired manufacturers to make a big push in smart controls for the commercial market. Smart rooftop units (RTUs) add a lot of value for both HVAC contractors and end users. While occupants appreciate the increased comfort control and efficiency, contractors benefit from the built-in diagnostics that contribute to preventative maintenance and the ease of installation and service.