Diffuser assembly for an hvac system

A diffuser assembly for a heating, ventilating, and air conditioning (HVAC) system, comprising:

• a blade assembly configured to couple to a frame of the diffuser assembly;
• a support rail of the blade assembly, wherein the support rail comprises a plurality of slots formed therein, and each slot of the plurality of slots comprises a respective first geometry;
• and
• a plurality of blades of the blade assembly, wherein each blade of the plurality of blades comprises a retention portion configured to extend within a corresponding slot of the plurality of slots, and the retention portion comprises a respective second geometry corresponding to the respective first geometry of the corresponding slot of the plurality of slots.

A diffuser assembly, comprising:

• a frame defining an air flow path configured to direct an air flow through the diffuser assembly;
• a support rail disposed within the air flow path, wherein the support rail comprises a plurality of slots formed therein, and each slot of the plurality of slots comprises a first geometry;
• and
• a plurality of blades disposed within the air flow path, wherein the plurality of blades is coupled to the support rail, each blade of the plurality of blades comprises a retention portion extending within a respective slot of the plurality of slots, the retention portion comprises a second geometry corresponding to the first geometry, and the support rail is configured to retain each blade of the plurality of blades in a respective angular orientation relative to a direction of the air flow through the diffuser assembly.