How To Seal Ac Window Gap

To fix this purchase some air conditioner foam seal at your local hardware store if there isn t any with your unit.

How to seal ac window gap.

Caulking windows to give them a finished look inside and out and seal out leaks and drafts is a fairly common diy task. How to seal an air conditioner window gap. Step 3 examine the sash. Once you ve made your choice on what product will give the best result for you you can head on over to the hardware store and pick it up.

Window air conditioners sit on the windowsill and typically have accordion style fins on either side of the unit that act to seal off the window. Unfortunately these are rarely anything close to air tight and the air conditioner itself has to allow air in from the outside by virtue of its construction. The air conditioner gets taken down in winter so permanent solutions are no good. I have an air conditioner that looks similar to this except mine doesn t have the flaps on the sides leaving a large open gap between the air conditioner and the window frame.

Most window air conditioners come with an accordion style flap attached to the sides to fill the open. Re close the window tightly. Most window air conditioners have an expanding curtain on either side to help seal any gaps between the window frame and the air conditioner but sometimes this seal isn t perfect. What s the best way to fill that gap.

In addition to getting a product to block your long window gaps you should also consider getting a pulley seal which is specially made to block the air that slips in near window cords. But if done incorrectly it can lend a sloppy amateurish look. Then lift the window and place the seal under the lip of the window.