Best Foam Insulation For Window Air Conditioner In May 2025

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Here you have our curated list of Best Foam Insulation For Window Air Conditioner. Each of them comes with different price, style, and design, so you have plenty of options to choose from. Keep reading for our top products review!

To help you in your search, we have completed this list of the Best Foam Insulation For Window Air Conditioner.

Top Rated Best Foam Insulation For Window Air Conditioner Of 2025

Rank	Product Name	Score
1	Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 2-1/4 by 42-Inch Buy Now	9.7 Buy Now
2	M-D Building Products 8308 Air Conditioner Side Panel Kit, Gray Buy Now	9.5 Buy Now
3	FOAM AR CON BLK 18" 2PK Buy Now	9.1 Buy Now
4	Miles Kimball A/C Side Insulation Panels Set of 2 Buy Now	8.8 Buy Now
5	Window Insulation Weather Stripping 2 Rolls 1/2 Inch Wide X 1/2 Inch Thick Buy Now	8.6 Buy Now
6	Duck Brand Window Air Conditioner Insulating Strip Seal, 2.25-Inch x 2.25-Inch x 42-Inch Buy Now	8.3 Buy Now
7	Self Sticking Foam Insulation Tape 2" W X 3/8" T, Weather Strip Seal Buy Now	8.1 Buy Now
8	Frost King Available R930H Sponge Rubber Foam Tape 9/16-Inch, Black, 1/2" W,9/16" T Buy Now	7.8 Buy Now
9	Windows Sealing Tape-2 Rolls, 1/2 Inch Wide X 1/2 Inch Thick Weather Stripping Buy Now	7.5 Buy Now
10	yotache Open Cell Foam Air Conditioner Insulation Seal Tape 2 X 1 Inch Buy Now	7.2 Buy Now

1. Frost King AC43H Air Conditioner Weatherseal Tape, 2-1/4 by 2-1/4 by 42-Inch

• Resilient, compressible strip for sealing out air, insects & dust
• For weather-stripping around window air conditioners
• Open cell foam tape

2. M-D Building Products 8308 Air Conditioner Side Panel Kit, Gray

• Self adhesive installation strips included
• All season protection against drafts, moisture, dust and insects
• Open cell polyurethane foam
• Fasteners included
• 9 inches by 18 inches by 7/8-inch thick

3. FOAM AR CON BLK 18" 2PK

• Insulating urethane foam panels reduce noise and vibration
• Use to replace broken plastic air conditioner side panels
• Type: foam
• Size: 9" x 18" x 7/8"
• Includes self-stick side channels

4. Miles Kimball A/C Side Insulation Panels Set of 2

• Insulates gap between ac and window
• Set of 2
• Keeps out hot air, dust and insects
• Trim to fit
• Peel and stick adhesive included

5. Window Insulation Weather Stripping 2 Rolls 1/2 Inch Wide X 1/2 Inch Thick

• Environmentally friendly - the foam seal tape is made from environmental protection material, cr foam, neoprene, which has excellent sealing and resistance to deformation feature, toxic free, can be used from -50 to 150
• Widely used - the adhesive foam strips are widely used in various door seal and window insulation, furniture, electrical cabinets, cars, speakers, toys, handicrafts, sports equipments, etc
• Adjustable & flexible - this package includes 2 rolls of 1/2 in x 1/2 in x 6.5 ft foam tape, total 13 feet long. the neoprene sponge foam tape is easy enough to customize and cut to size with scissors or blade, and bend easily and conform to any shape
• Multipurpose - the closed cell foam strip is weather proof, oil resistance, resistant to corrosion, dust proof, shock-absorbing, buffering, sealing, flame retardant, sound proof, heat insulation, anti-skidding and insulating
• Strong adhesive - the foam weather stripping has strong adhesive backing, waterproof and non-degumming, stick firmly, great weather stripping for doors and windows

6. Duck Brand Window Air Conditioner Insulating Strip Seal, 2.25-Inch x 2.25-Inch x 42-Inch

• Place on top of unit and lower window to compress seal for best insulation
• Fits around a window air conditioning unit to seal in climate controlled air, seal out drafts, dust and insects
• Foam seal
• 2-1/4 by 2-1/4 by 42-inch
• Creates a weather-tight seal to keep out winter drafts and summer humidity

7. Self Sticking Foam Insulation Tape 2" W X 3/8" T, Weather Strip Seal

• 1 roll value pack - this package includes 1 roll of 2 in x 3/8 in x 6.5 ft foam tape. the weather strip is easy enough to customize and cut to size with scissors or blade, and bend easily and conform to any shape
• Strong grid adhesive - the foam weather stripping has upgraded strong grid adhesive backing, waterproof and non-degumming, stick firmly, can be used from -50 to 150
• Wide application - the adhesive foam strips are widely used in various door seal and window insulation, furniture, electrical cabinets, cars, boats, speakers, toys, handicrafts, sports equipments, vents, air conditioners, plumbing, hvac, etc
• 100% satisfaction - we take pride in our foam tape and we are confident that you will love the quality and convenience! contact us if any problem, we provide timely response and perfect solution
• High quality material - the closed cell foam seal tape is made from environmental protection material, cr foam and neoprene, toxic free, weather proof, oil resistance, resistant to corrosion, dust proof, shock-absorbing, anti-vibration, buffering, sealing, flame retardant, sound proof, heat insulation, anti-skidding and insulating

8. Frost King Available R930H Sponge Rubber Foam Tape 9/16-Inch, Black, 1/2" W,9/16" T

• Can also be used as a seal around air conditioners
• Extra tough and durable
• Minimum compression
• Many automotive and marine uses
• Compressible to fill gaps on windows & doors
• Black foam weather-strip tape

9. Windows Sealing Tape-2 Rolls, 1/2 Inch Wide X 1/2 Inch Thick Weather Stripping

• Closed cell foam sweepenvironmental protection material, cr foam, neoprene, safety foam material provides all-day protection
• Foam strip applicationwidely used in various door seal and window insulation, furniture, electrical cabinets, cars, speakers, toys, sports equipment, etc
• High density foam tapeweather proof, oil resistance, resistant to corrosion, dust proof, shock-absorbing, sound and heat insulation, anti-skidding and insulating
• Foam insulation tapethe temperature range is from -50 to 150
• Foam weather sealstrong adhesive backing, waterproof and non-degumming, stick firmly, great weather stripping for doors and windows

10. yotache Open Cell Foam Air Conditioner Insulation Seal Tape 2 X 1 Inch

• Premium open cell foam tape - made from nbr+pvc foam material, the air conditioner seal is environment friendly, soft and toxic free, having superior weather resistance, great flame retardant, resistance to high/low temperature, good heat insulation, good sound absorption, can be used from -40 to 90
• Adjustable & flexible - this package includes 1 pcs of 2 in x 1 in x 6.5 ft foam tape. the air conditioner weatherstrip is easy enough to customize and cut to size with scissors or blade, and bend easily and conform to any shape
• High resilience - excellent resistance to compression and deformation, having strong elasticity and durability, the air conditioning foam can quickly return to original shape after compressing, having good buffer or cushion performance, which guarantees long-term shock protection of your equipment
• 100% satisfaction - we take pride in our weather stripping air conditioner and we are confident that you will love the quality and convenience! contact us if any problem, we provide timely response and perfect solution
• Easy to use - the air conditioner foam can be placed on top of unit and lower window to compress seal for best insulation, which provides all season protection to seal in climate controlled air, seal out drafts and dust, reduces noise and vibration from the outside