installation of a 2.5 ton Trane roof top gas package unit, removal of old unit and disposal per EPA guidelines. Crane to remove old unit and lift new unit onto roof. We would pull the Permit and coordinate the 3rd party title 24 testing for you. we would be sealing the ducts so it will meet new standards. New plenums if needed. New adjustable roof curb. New gas line to code, new whip and disconnect.