Portable AC Window Seal Kit 3M/4M – Flexible Cloth & Zipper
AirLock Portable AC Window Seal Kit – Flexible Cloth Sealing Panel with Double Zipper
Keep your home cool and energy-efficient with the AirLock Portable Air Conditioner Window Seal Kit. Designed for quick, tool-free installation, this flexible cloth sealing panel creates an airtight barrier around your window opening, stopping hot air from sneaking back in and keeping cold air exactly where you want it. Available in 3-metre and 4-metre lengths to suit a wide range of window sizes.
Made in Mainland China.
Why You'll Love It
- Double-Slider Zipper Closure: The dual-zipper design creates a snug, adjustable seal around your window gap, blocking unwanted air exchange and boosting your AC's cooling performance while cutting energy costs.
- Adjustable Opening: The built-in adjustable aperture works with virtually any portable AC or dehumidifier exhaust hose, giving you precise airflow control in seconds.
- Thermal Insulation Fabric: The high-quality insulating cloth keeps drafts out in winter and heat out in summer, helping maintain a comfortable indoor climate year-round.
- Hook-and-Loop Fastener: A secure hook-and-loop strip holds the panel firmly in place across different window frames — no tools, no damage, no fuss.
- 3-Minute Setup: Simply attach, zip, and enjoy. The entire installation takes about three minutes with zero tools required — perfect for renters and busy households alike.
- Versatile Use: Suitable for casement windows, sliding windows, RV vents, basements, and even doors. Great for year-round use across all seasons.
Specifications
| Available Lengths | 3 metres (double sliders) / 4 metres (double sliders) |
| Material | Thermal insulation soft cloth, nylon zippers |
| Package Size | Approx. 35 × 27 × 6 cm (13.78 × 10.63 × 2.36 in) |
| Package Contents | 1 × Air Conditioner Window Seal Set |
| Origin | Mainland China |
Works Great Alongside
Pair your window seal with other home comfort solutions from our store:
- Clip-On Car Fan – LED Display, 199 Speeds | USB & Type-C
- All-Season Cooling Car Seat Cushion – Breathable & Ergonomic
- BALASHOV 2500W Handheld Steam Cleaner – Kitchen, Car & Home
Note: Slight colour variations may occur due to lighting and screen settings. Minor size deviations may occur due to manual measurement — please allow a small tolerance.
Learn more: OSHA on personal protective equipment
Frequently Asked Questions
Q: What sizes does the portable AC window seal come in?
A: The AirLock window seal is available in two lengths — 3 metres and 4 metres — both featuring double-slider zippers for a versatile, adjustable fit across different window widths and portable AC models.
Q: Is the window seal easy to install without tools?
A: Absolutely! The seal uses a hook-and-loop fastener system that attaches directly to your window frame with no drilling, screws, or adhesives required. Most users complete installation in about three minutes, making it ideal for renters or anyone who needs a quick seasonal setup.
Q: Can I use this window seal in winter as well as summer?
A: Yes — the thermal insulation fabric is engineered for year-round use. In summer it blocks hot air backflow to improve AC efficiency, and in winter it seals drafts to help retain warmth indoors, reducing heating costs as well.
Q: What types of windows or vents is this seal compatible with?
A: The adjustable design fits casement, sliding, and double-hung windows, as well as basement vents, RV openings, and doors. The hook-and-loop fastener and zipper system accommodate a wide range of frame widths, making it highly versatile for home and mobile living alike.