How To Seal Ac Window Gap

Then lift the window and place the seal under the lip of the window.

How to seal ac window gap.

Even extremely small gaps can leak air which reduces the efficiency of your air conditioner. 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 an air conditioner window gap. 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.

Most window air conditioners come with an accordion style flap attached to the sides to fill the open. Caulking windows to give them a finished look inside and out and seal out leaks and drafts is a fairly common diy task. What s the best way to fill that gap. 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.

But if done incorrectly it can lend a sloppy amateurish look. 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. To fix this purchase some air conditioner foam seal at your local hardware store if there isn t any with your unit. 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.

Step 3 examine the sash. 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. Re close the window tightly.