Ensure the new register or grille covers the opening.
How to measure floor vent covers.
Measure the size of the duct.
The width and length of your duct opening will be the size of the register to order.
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.
Ceiling or wall vent covers need to be unscrewed.
Many of our vent grilles include directional.
The length l is always expressed first followed by the height h dimension.
How to measure for wall ceiling and floor vent covers not hinged air returns step one.
Typically floor vent covers are just lifted out of the duct 2 measure the width height of the opening.
If the vent is held in place by its own weight or tension pull the vent forward and out of the opening.
You can find floor registers in a variety of materials styles and finishes so you can incorporate them as a decorative element that also blends.
Do not measure your existing cover.
Remove your existing vent cover note.
Measure the size of the air duct opening.
Pull the vent forward and out of the opening.
Take out the existing floor register and measure the length width of the opening in inches all registers will be listed in inches.
Please measure again to make sure you measured correctly.
How to measure vent covers.
Measure the size of the air duct opening.
Do not order by the size of your existing vent cover.
Do not measure the old register or vent.
When in doubt just say vent.
Lift out vent cover and measure the inside dimensions of the duct opening in your floor.
Do not measure the old register or vent.
Note the measurements as width and length as that is how they are packed and labeled.
Measure the duct opening in your floor wall or ceiling.
Note if the register or grille you are replacing is for a wall ceiling or floor.
Length in inches by height in inches this is your duct opening size.
Remove screws holding the vent in place.
The supply vents registers or diffusers blow air into the conditioned area with positive pressure and are responsible for distributing and mixing the air.
It is an industry standard to measure the actual hole opening in the floor to get the correct size of floor register or grille that you will need.
Remove your existing floor wall or ceiling vent cover.
A vent is a generic word for a designed opening or cover that air passes in or out of.