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Air Diffusers, Grilles & Registers

Displaying 1-96 of 168 results

Displaying 1-96 of 168 results

Quality Air Vent Covers

Explore air diffusers, grilles, and registers at Stockpile Express and find the right product for your HVAC system. These helpful components install at the end of an air duct, creating a polished look and controlling how the conditioned air interacts with the room. An air grille can be used for output or intake of air, while registers open and close to supply conditioned air into an indoor space, and floor and ceiling diffusers push air in a set pattern for optimal distribution throughout a room. To streamline your search, use our convenient filters to narrow the selection by material, size, and product type. Browse durable air diffusers, grilles, and registers from trusted manufacturer Hart & Cooley and find the best match for your residential or commercial needs.

Frequently Asked Questions

What is the difference between a register and a grille?

The difference between a grille and register is that a register can be opened or closed to adjust airflow, while a grille is static. A grille can be used for output or intake of air, but a register is only used to supply air.

What is the difference between a register and a diffuser?

The difference between a register and a diffuser is that a register opens and closes to adjust the supply of conditioned air to an indoor space, while a diffuser pushes the air in a set pattern for efficient multi-directional distribution.

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