Typically floor vent covers are just lifted out of the duct 2 measure the width height of the opening.
How to measure floor vent covers.
Many of our vent grilles include directional.
Length in inches by height in inches this is your duct opening size.
Measure the size of the air duct opening.
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.
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.
How to measure for wall ceiling and floor vent covers not hinged air returns step one.
Order by the duct size.
Take out the existing floor register and measure the length width of the opening in inches all registers will be listed in inches.
Do not order by the size of your existing vent cover.
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.
The length l is always expressed first followed by the height h dimension.
Remove your existing floor wall or ceiling vent cover.
Remove your existing vent cover note.
Note if the register or grille you are replacing is for a wall ceiling or floor.
Pull the vent forward and out of the opening.
Remove the screws that hold the vent in place.
Ceiling or wall vent covers need to be unscrewed.
The width and length of your duct opening will be the size of the register to order.
Measure the size of the duct.
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.
Lift out vent cover and measure the inside dimensions of the duct opening in your floor.
How to measure vent covers.
Ensure the new register or grille covers the opening.
Do not measure the old register or vent.
Measure the size of the air duct opening.
The supply vents registers or diffusers blow air into the conditioned area with positive pressure and are responsible for distributing and mixing the air.
A vent is a generic word for a designed opening or cover that air passes in or out of.
Do not measure your existing cover.
When in doubt just say vent.
If the vent is held in place by its own weight or tension pull the vent forward and out of the opening.
Please measure again to make sure you measured correctly.