RTU (rooftop unit)

RTU or Rooftop unit is a type of HVAC system that contains all the components needed to provide conditioned air in one concise unit. Popular with retail and industrial properties RTU’s are commonly found in light and large commercial applications.

An RTU is usually a large metal box containing an expansion device, evaporator, compressor, and an air-cooled condenser. They typically connect directly to a ductwork system and distributes the conditioned air through the building and returns it to the unit