What is the difference between a register and a vent?
The supply vent (meaning the vent from which the hot or cold air is coming into your home) of your HVAC system is covered by a register. A register has a damper and this is what sets it apart from other vent covers and grills.
How do I know my register size?
A register is measured by the size of its louvers, which is the bottom of the register that fits into the ventilation duct. To measure your register properly, remove the existing register from the floor, wall, or ceiling in which it is installed. Then, measure the length and width of the air duct opening.

Are vent registers necessary?
While it is a myth that air return grilles are required in each and every room in the house, it is definitely necessary to have more than one of these grilles installed at strategic places in the house. The most important place to have these would be the bedroom.
What are supply registers?
Supply register. Individual rooms in a home generally have one or more supply vents with louvered covers called registers. This kind of cover typically has a built-in damper that opens and closes with either a roller or lever control.
What are return registers?

What is a Return Register? Often referred to as high/low vents, ducts, and grilles, return registers are pairs of registers located near the ceiling and floor of rooms throughout your home. They contain slatted openings. You can recognize these registers because they are usually bigger than a supply vent.
How many CFM does a 6 inch duct have?
“For example, most techs will tell you that a 6” duct will provide about 100 CFM.”
What color should floor registers be?
Black registers and grilles are excellent in more modern spaces. Brown or tan registers and grills: A little more neutral than black, brown and tan registers look great in rooms with wood paneling. They also tend to blend better in more traditional homes.
What registers can I use assembly?
As complete 32-bit data registers: EAX, EBX, ECX, EDX. Lower halves of the 32-bit registers can be used as four 16-bit data registers: AX, BX, CX and DX. Lower and higher halves of the above-mentioned four 16-bit registers can be used as eight 8-bit data registers: AH, AL, BH, BL, CH, CL, DH, and DL.
What color should I paint my air vents?
Your air vents should match your wall color. Otherwise, they will become focal points in the room because of the color contrast. Most air vents unscrew easily, and are small enough to paint quickly.
Should I paint air return vents?
You should not paint your air return grille using acrylic or latex primer, as it will cause the coating to flake. Unprimed air return grilles should be handled with the proper paint and not diluted with paint. In order to avoid sagging, place your spray nozzle at 8 inches between your grille and your application base.
What is a register in HVAC?
Registers These typically slatted covers are found in the floor, wall or ceiling, and their defining feature is a lever that allows you to open or close the air vent to adjust airflow into the space.
What is the difference between a register and a return air grill?
It differs from a register because it does not have a damper to control airflow. Homes will either have multiple small grilles throughout or a single, large grille, installed in either ceilings or walls to cover the return vent. Decorative return air grilles are available in various finishes and materials to suit your style.
Does Menards sell registers and grilles?
Menards offers a wide selection of baseboard, ceiling, floor and wall registers in a variety of sizes. Registers & Grilles at Menards® Skip to main content Uh-oh.
What is a 102m 2 way air register?
The 102M series 2-way air register featuresThe 102M series 2-way air register features a high quality steel outside with a white powder coat finish and the smooth glide multi-shutter damper to control the amount and direction of airflow. Use this register for wall or ceiling openings.