Proper Size Floor Registers

Find large and over sized floor registers and floor return grilles in multiple styles and finishes.

Proper size floor registers.

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. The duct vent size will depend on the size of the furnace and the size of your home so you know how many vents you need in each room. How to measure floor registers and grilles. In order for your forced air furnace to work properly you have to have the right sizes of duct vents in each room expelling air.

Take out the existing floor register and measure the length width of the opening in inches all registers will be listed in inches. Registers have the same inlet neck and outlet face size. Air will move straight through registers and grilles. The register shown above is a common aluminum adjustable curved blade one way 10 6 ceiling register.