Locate the register or grille you are replacing and note if it is for a wall ceiling or floor.
Ac ceiling vent sizes.
Measure the size of the air duct opening.
Register vent boosters pull more air from registers and increase comfort in rooms that aren t served by your hvac system.
Air will move straight through registers and grilles.
There is no need for precise measurements you can round the measurement to the nearest 1 2 size.
The register shown above is a common aluminum adjustable curved blade one way 10 6 ceiling register.
If your duct opening measures 9 3 4 x 9 3 4 a 10x10 cover will work.
Registers are the most common type of supply vent.
You can attach the vent to almost any duct opening whether it s a ceiling or a sidewall.
Do not measure the old register or vent.
In line booster fans boost heated and cooled air for increased comfort.
Furthermore what we ve loved the most is that it s 12 x 6 compact size makes it very convenient to fit.
If your duct opening is rounded to the nearest 1 2 size and you still cannot find your duct opening size listed don t worry.