How To Close Ceiling Air Vent

Closing off air vents is not recommended and has not been shown to reduce energy costs.

How to close ceiling air vent. Put the ladder or stool in a locked position if. The goal is to prevent conditioned air from escaping or unconditioned air from entering the thermal envelope. To properly seal around air vents apply caulk or expanding foam between the ducting and the sheetrock.

If it is a rectangular vent a switch is located on either the right or left side of it. Next apply weather stripping around. Turn the dial on the square or round vent to the right to open the vent.

There s a simple but critical two step process to do this. If it is a. How to open close ceiling air vents step 1.

Close the vents to see if it solves the problem before moving on to more complicated and costly solutions. Well my little curious cat just cut your sheet roughly to the size of your vent and stick it straight on top. Step up on the ladder or stool until you can comfortably reach the vent.

Step 2 seal perimeter of vent grilles turn off the heating system temporarily and inspect around the vent grille cover for air leaks. If it is a square or round vent a dial is located in the center. The vent s internal assemblies will close off the air flow.

Locate the dial or switch on the vent. Locate the switch or dial on your particular vent. Move the diffuser s vent lever into the closed position.