Rooftop AC unit installation is the process of installing an air conditioning unit on the roof of a building. This type of installation is ideal for buildings with limited interior space, such as apartments, condos, and townhouses. The installation process typically involves mounting the unit to the roof, connecting it to the existing ductwork, and running the necessary electrical and plumbing connections. The unit must be properly secured to the roof and all safety protocols must be followed. Additionally, the unit must be properly insulated to prevent any energy loss. Once the installation is complete, the unit must be regularly maintained to ensure optimal performance. Rooftop AC unit installation is a complex process that requires the expertise of a qualified HVAC technician. It is important to hire a professional to ensure that the unit is installed correctly and safely.