
Breeze Stop Surround Insulation for Window AC Units (Fits up to 36" wide window)
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Compared across 5 stores. Prices are checked against each store and labelled with when.

Compared across 5 stores. Prices are checked against each store and labelled with when.
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The Breeze Stop Surround is a three-piece insulation kit that fits over the accordion side panels and the top gap of a window air conditioner. Each piece is 1-inch insulating foam wrapped in white vinyl, so it seals drafts, blocks heat and dulls outside noise while hiding the plastic panels. It trims with scissors and sticks to the AC unit, not the wall, so it comes off and goes back on each season. It suits renters and homeowners with a standard window unit up to 36 inches wide who want a tighter, cleaner install without hardware.
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Lowest price we've seen: $32.99 on Nov 10 at Lowe's. Tracked across 4 stores since Nov 10.
Owners of window AC units report the kit cuts drafts and outside noise and makes the install look finished. Most say it installs quickly with scissors and stays put through the season.
The gaps around your window AC are costing you money. BreezeStop seals them.
The accordion plastic panels your unit came with aren't real insulation — they flex in wind and let cold air straight through. BreezeStop fits directly over them, sealing every gap and giving the whole installation a clean, finished look.
What's in the box:
• 2 side panels (18"×10") — slip over your existing accordion sides
• 1 top panel (36"×1.75") — seals the gap above the unit most people ignore
• Adhesive flaps — attach to the unit, not your wall or window frame
What it does:
• Stops cold drafts in winter
• Blocks hot air infiltration in summer
• Reduces outside noise
• Turns an eyesore into a clean, built-in look
What it takes to install:
• Scissors or a utility knife to trim to fit
• No tools, no hardware, no contractor
Works with: Any window AC brand. Fits windows up to 36" wide.
Need a wider fit? See the large size here →
Over 1,400 five-star reviews on Amazon. Free shipping.
A quick how to install video:




