1. Return Air Grills: These pull air back into the HVAC system for reconditioning.
2. Supply Air Grills: These distribute conditioned air into the living spaces.
3. Floor Grills: Installed in the floor, they are commonly used for supply and return air.
4. Ceiling Grills: Mounted on ceilings, these are used for both supply and return applications.
5. Wall Grills: Installed on walls, they provide a clean look and can be used for either supply or return air.
6. Adjustable Air Grills: Feature movable blades to control airflow direction and volume.
7. Diffuser Grills: Designed to evenly distribute air over a wide area, reducing drafts.
8. Linear Grills: Long, narrow grills that provide a modern aesthetic and efficient air distribution.
9. Filter Grills: Combine the functions of a grill and an air filter to improve air quality.
10. Specialty Grills: Designed for specific applications, such as high-velocity systems or sound attenuation.