Rooftop air conditioner is a plug and play packaged Ductable system. This HVAC unit is placed on the rooftop. The rooftop ac unit comprises evaporative coil, compressor, condensing unit, and expansion valve. The entire refrigeration cycle is completed in one single unit. In other words, there are no indoor or outdoor units. There is only one unit that is placed on the rooftop. The rooftop AC unit comes equipped with flanges at the supply and return ducts. Therefore, all that is needed is to place the rooftop air conditioner at a desired location on the roof and then simply connect insulated supply ducts and return ducts to the unit. The ducts then deliver the cool air to residential or commercial space. These roof top air conditioner units are good for residential as well as commercial spaces. There are many manufacturers of roof AC in India. Roof mounted air conditioner has several benefits such as no noise, no issue with regard to the space for an indoor unit, no copper piping work, no communication work, no drain piping work. In other words, a roof mount AC unit is easy to install. At the same time, the rooftop air conditioning units are easy to maintain as well. A rooftop AC is also known as a rooftop package unit. Since the entire refrigeration cycle is completed within one package, therefore, the roof mounted air conditioner classifies as a rooftop package unit.