How To Properly Seal An Ac Window Unit

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 properly seal an ac window unit.

Here are some other reasons water can drip from a window air conditioner unit. Cut foam weather stripping to length and attach to the window sash and frame. Prevention is the best way to reduce air leaks and the amount of sealant you ll need to repair cracks or seal space. Step 1 install the air conditioner correctly.

So before your install measure the air conditioner and the window opening where you d like to place it. However it is important to properly seal them to avoid energy loss. When this happens the moisture that is in the warmer air will be condensed by the colder. Gaps around an unsealed air conditioning unit will allow.

Adjust the ac unit s window vent panel to extend across the width of the opening. Lower the window sash until it rests on top of the vent panel. Drill pilot holes to keep the screws from splitting the wood. Open the window where the portable air conditioner will be located.

After balancing your a c on the windowsill it ll be easy to see why you need the top sash to stay put and hold the unit in place. If your window air conditioner is not sealed correctly the warmer air from outside gets inside the air conditioner. Air leak air conditioner not properly sealed in window.