AC Window Seal Cloth 2M/3M – Waterproof Portable AC Vent Seal

Keep Your Cool – AC Window Sealing Cloth for Portable Air Conditioners

Stop wasting energy and start enjoying a perfectly climate-controlled room. This AC Window Sealing Cloth creates an airtight barrier around your portable air conditioner or dryer hose, preventing hot outside air from sneaking back in and keeping your conditioned air exactly where it belongs – inside. Available in 2M and 3M lengths to suit a wide range of window sizes.

Made in Mainland China.

Why You'll Love It

• Energy-Saving Design: By blocking hot air return flow, this seal helps your AC unit run more efficiently, cutting down on electricity consumption and lowering your energy bills season after season.
• Durable 100% Waterproof Polyester: Crafted from high-quality polyester fabric that stands up to humidity, heat, and outdoor weather conditions without warping, cracking, or losing its seal.
• Tool-Free Installation: No drilling, no screws, no mess. Simply unzip the seal, guide your AC hose through, tighten, and press the seal snugly into the window frame for an instant airtight fit.
• Year-Round Convenience: No need to remove the seal when seasons change – just open or close the window as needed. Reinstalling next summer takes only minutes.
• Wide Compatibility: Works with left/right opening windows, bottom-hung windows, top-hung skylights, tilt windows, and inward-opening casement windows. Compatible with portable/mobile ACs, exhaust dryers, dehumidifiers, and more.

Product Specifications

What's in the Box

• 1× AC Window Sealing Cloth (choose 2M or 3M)

How to Install

1. Open the window to your desired width.
2. Unzip the seal and feed your AC or dryer hose through the opening.
3. Tighten the collar securely around the hose.
4. Press and secure the seal cloth inside the window frame for an airtight fit.
5. Close the window down onto the seal – done!

For more tips on improving home energy efficiency, visit Energy.gov – Home Cooling Tips.

You May Also Like

• Complete your home comfort setup with fun wall décor
• Add inspiring wall art to your newly cooled space

Note: Due to monitor variations, actual color may differ slightly from images. Minor measurement deviations may occur due to manual measurement.

Frequently Asked Questions

Q: What window types are compatible with this AC window seal cloth?

A: This AC window sealing cloth is designed to work with a wide variety of window styles, including left/right-opening windows, top-hung skylights, push-out casement windows, inward-opening casement windows, and most tilt windows. It's a highly versatile solution for most standard home windows.

Q: Do I need tools or drilling to install the AC window vent seal?

A: Not at all! The AC window seal requires zero tools and no drilling. Simply unzip the cloth, pass your AC or dryer hose through the opening, tighten the collar, and press the fabric seal into the window frame. The entire setup takes just a few minutes.

Q: What is the difference between the 2M and 3M seal lengths?

A: The 2M (approximately 6.6 ft) length is ideal for standard-sized windows, while the 3M (approximately 9.8 ft) length is better suited for larger or wider window openings. Measure the perimeter of your window opening before purchasing to select the correct size.

Q: Is the window sealing cloth waterproof?

A: Yes. The seal is made from 100% polyester with waterproof properties, making it resistant to humidity and condensation — common around AC exhaust hoses and during rainy weather.

Q: Can I leave the AC window seal installed during cooler months?

A: Absolutely. You do not need to remove the seal when you stop using your AC. Simply open or close the window as usual during cooler weather. When summer returns, your seal is already in place and ready to go.