Curb assembly for HVAC system

A curb assembly for a heating, ventilation, and/or air conditioning (HVAC) system, comprising:

• a frame configured to couple to a curb of a structure;
• a pedestal system configured to couple to a housing of the HVAC system and to the frame, such that the pedestal system extends from the housing to the frame, wherein the pedestal system is configured to enclose a space formed between the frame and the housing;
• and an adjustable duct connector configured to be disposed within the space, wherein the adjustable duct connector is configured to extend obliquely between the curb and the housing to fluidly couple an air flow passage of the housing with ductwork of the structure, wherein the housing is configured to transition between an extended configuration in which the pedestal system is extended away from a mounting frame of the housing and a compact configuration in which the pedestal system is not extended away from the mounting frame of the housing, wherein the pedestal system is configured to couple to the frame in the extended configuration of the housing, and wherein the pedestal system is coupled to the mounting frame in the extended configuration and in the compact configuration.