What is HVAC Register?
Air outlets with adjustable louvers for directing airflow into a room.
Definition
Purpose
An HVAC floor register is used in rooms with floor-level ductwork, while an HVAC ceiling register is common in buildings where ducts run above the ceiling.
The louvers on HVAC register grilles can usually be adjusted to change airflow direction. Registers are commonly found in floors, walls, and ceilings.
Examples of Use
- An HVAC floor register can supply warm air into a room through ductwork beneath the floor.
- An HVAC ceiling register can distribute cool air from an overhead duct system.
- An adjustable register grille can be angled to direct air away from a desk, seating area, or other occupied space.
Related Terms
Notes
- Registers are generally used for supply air, while a grille may be used for supply, return, or exhaust air.
- Many registers include a damper that lets you adjust airflow.
- The location and size of a register depend on the duct layout, room size, and amount of air the space needs.
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