How To Seal Ac Window Gap

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.

How to seal ac window gap.

Then lift the window and place the seal under the lip of the window. Re close the window tightly. 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. Even extremely small gaps can leak air which reduces the efficiency of your air conditioner.

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. Most window air conditioners come with an accordion style flap attached to the sides to fill the open. The air conditioner gets taken down in winter so permanent solutions are no good. Neglecting to fill the window gap with the foam seal makes your window unit work harder to control the indoor temperature and potentially lets moisture dust and insects enter your home as well.

How to seal an air conditioner window gap. What s the best way to fill that gap. But if done incorrectly it can lend a sloppy amateurish look. 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.

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