Replace 2 existing 2004 Lennox GCS16 RTU units. One 4 ton and one 3 Ton. Install new Bryant gas/electric package unit Model # system 1: 582KP05A150A3A0AC (4Ton) Model # system 2: 582KP04A110A3A0AC (3Ton) Installation: *Manual outside air damper *Curb transition *Reconnect to existing gas line *Reconnect to existing high voltage circuit *Crane rental *HVAC permit Warranty: Manufacturers parts warranty 1 Year Westin Air labor warranty