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ACCA Design Procedures

ACCA Design Procedures

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Volume Dampers needed for Airflow Balancing

603.18 Registers, grilles and diffusers. Duct registers, grilles and diffusers shall be installed in accordance with the manufacturer’s instructions. Volume dampers or other means of supply air adjustment shall be provided in the branch ducts or at each individual...
Manual D Required in Florida

Manual D Required in Florida

Manual D duct design is generally required in Florida, particularly for new construction and significant renovations. Florida’s Energy Conservation Code, based on the International Residential Code, mandates that Manual D duct layouts accompany...