How To Measure Floor Air Vent

Measure the duct opening in your floor wall or ceiling.

How to measure floor air vent.

How to measure and replace a floor register. Hinged air returns allow easy access to changing the filter. If your duct work opening in the floor is 4 x 10 you ll need to purchase a 4 10 floor register. The length l is always expressed first followed by the height h dimension.

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. The hinged air returns are ordered by the size of the filter. This will make a difference if you are looking for a 12 x 24 or a 24 x 12 return air grille.

For floor registers the smallest measurement is usually first whether it is the height or width. 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. Measure the size of the air duct opening.

For ceiling and wall registers and return air grilles the width is usually listed first and the height second. Note if the register or grille you are replacing is for a wall ceiling or floor. Take out the existing floor register and measure the length width of the opening in inches all registers will be listed in inches. Before you shop take a moment to measure the size of the duct opening so you ll know what will fit and take note of what the covering looks like to find a suitable piece for the opening.

How to measure for wall ceiling and floor vent covers not hinged air returns step one. Remove your existing floor wall or ceiling vent cover. Measuring hinged air returns with filter hinged air returns. Do not measure the old register or vent.

Many of our vent grilles include directional patterns so it is crucial to provide both dimensions in their respective order.