S/A

Definition

A supply air (S/A) register is an opening in a room or space with a grille and a damper at the end of the ductwork for the distribution of conditioned air.

Purpose

The purpose of a supply air register is to deliver conditioned air from the HVAC system into a room, ensuring proper air distribution and maintaining comfortable indoor temperatures.

Examples of Use

• In residential homes, supply air registers are typically found on walls, floors, or ceilings, delivering warm or cool air into living spaces.
• Commercial buildings use supply air registers to ensure efficient distribution of conditioned air throughout office spaces and common areas.
• Supply air registers in industrial facilities help regulate air quality and temperature for safe and comfortable working conditions.

Related Terms

• Return Air Register: An opening that allows air to return from the room back to the HVAC system.
• Diffuser: A device that spreads air evenly from an air duct into a room.
• Vent: An opening that allows air to flow in or out of a space.

Notes

Proper placement and adjustment of supply air registers are essential for maintaining efficient and balanced air distribution, contributing to overall HVAC system performance.