GRADA manufactures high-quality HVAC components, providing ceiling diffusers, variable air volume controllers, and ventilation grilles for commercial applications.
GRADA is an established brand in the HVAC industry, renowned for designing and manufacturing specialized air distribution equipment. Their comprehensive product line includes variable air volume (VAV) controllers, circular swirl diffusers, and perforated ceiling diffusers designed to optimize airflow and ensure hygienic ventilation in commercial, medical, and industrial environments.
Built for high precision and efficiency, GRADA's ventilation solutions are engineered to handle precise air volume control using strong induction and Coanda effects. Whether for exposed duct mounting or modular T-bar ceilings, GRADA products utilize top-tier materials like powder-coated sheet steel to deliver long-lasting, maintenance-free performance. From medical clinics to large-scale commercial buildings, GRADA remains a trusted name for reliable and highly controllable airflow management.
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Common questions about manuals, registration, and support for this brand.
No, GRADA VAV dampers are designed with a fully enclosed drive mechanism outside of the duct and do not require regular cleaning or maintenance. However, an annual functional inspection is recommended per European norms.
To adjust the airflow direction, use the fixed blades on the diffuser. By rotating them according to the pattern instructions in your manual, you can set your desired airflow alignment.
Yes, GRADA frontplates are supplied with a standard RAL9010 powder coating but can be customized with a powder coating RAL of your choice during ordering.
Installation requirements vary by model. Detailed instructions covering modular T-bar configurations and duct applications can be found in the user manuals provided on this page.