Supply registers are usually located on which areas?

Supply registers are usually located on which areas?

• A. Outer walls or under windows
• B. Ceiling corners
• C. Floor near doors
• D. Inside closets

Answer: (A)

Distributing conditioned air effectively and avoiding uncomfortable drafts is what this question is getting at. Supplying air from on exterior walls or under windows places the airflow where it can mix with the room air more broadly and counteract cold or hot spots near the window area. When air enters near a window, it helps offset the heat loss (or gain) that typically occurs at that surface, promoting a more uniform temperature throughout the room. It also reduces the chance of blowing directly into occupants, which can happen with ceiling or floor-focused placements. Ceiling corners can create short, stagnant streams that don’t mix well and may stratify, while a register placed on the floor near a door can be disrupted by traffic and door movement, and an air path blocked by a closet reduces effective distribution. So placing supply registers on outer walls or under windows supports better overall air mixing and comfort.

Distributing conditioned air effectively and avoiding uncomfortable drafts is what this question is getting at. Supplying air from on exterior walls or under windows places the airflow where it can mix with the room air more broadly and counteract cold or hot spots near the window area. When air enters near a window, it helps offset the heat loss (or gain) that typically occurs at that surface, promoting a more uniform temperature throughout the room. It also reduces the chance of blowing directly into occupants, which can happen with ceiling or floor-focused placements.

Ceiling corners can create short, stagnant streams that don’t mix well and may stratify, while a register placed on the floor near a door can be disrupted by traffic and door movement, and an air path blocked by a closet reduces effective distribution. So placing supply registers on outer walls or under windows supports better overall air mixing and comfort.