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Product Description
Give your portable air conditioner a real performance boost with the Universal Premium AC Window Seal, now upgraded to a stronger, thicker 210D Oxford coated PVC fabric. This enhanced material is the same tough, tightly woven Oxford textile used in outdoor gear, now reinforced with a PVC coating to deliver superior insulation, durability and heat resistance compared to standard thin nylon seals you see on Amazon or eBay.
The result? A tighter, more efficient seal that keeps cool air inside, blocks hot air from leaking back in, and helps your AC cool the room faster and more effectively. The upgraded Oxford fabric also prevents insects, dust and humidity from creeping through gaps, giving you a cleaner, more comfortable indoor environment.
Fix the Velcro strip around your window frame, then zip the seal snugly around your AC hose or fishtail reducer to create a tight, insulated barrier. Designed for all portable air conditioners, this universal seal installs in minutes with no tools required. The heavy‑duty 210D material is water resistant, tear resistant and built to last, making it a smarter long‑term upgrade for any home using a portable AC during the summer.
If you want better cooling, better insulation and better performance from your AC, this upgraded Oxford fabric seal is the simplest improvement you can make.
Why Buy Me
- Upgraded 210D Oxford coated PVC fabric – stronger, thicker and far more durable than standard nylon
- Superior insulation performance helps your AC cool the room faster
- Blocks hot air, insects, dust, and humidity from entering through the window gap
- Universal fit – compatible with all portable air conditioners
- Heavy‑duty, water‑resistant Oxford material built for long‑term summer use
- Quick, tool‑free installation – attach, zip, and enjoy improved cooling
- A simple upgrade that boosts AC efficiency and reduces wasted energy
Question from E: Asked on 24/06/2026 Will this fit a sash window?
Hi,Yes, the electriQ AC-AIRLOCK window seal will fit a sash window because it attaches to the window frame with Velcro and works with most window types, including vertical sliding sash designs.Thanks!
Question from Gwen: Asked on 18/06/2026 Does this product work with outward opening windows - if so can you explain how as the user manual is not clear and doesn’t show this type of window.
Hi Gwen,Yes — the electriQ AC-AIRLOCK works with outward-opening windows because it attaches to the fixed window frame rather than the moving window itself, so you simply stick the Velcro seal around the inside of the frame and let the fabric cover the opening while the window opens outward as normal, with the hose passing through the zip opening in the seal.Thanks!
Question from LE: Asked on 23/03/2026 Is this only suitable for inward opening windows.
Hi,It isn’t just for inward-opening windows—it’s designed to work with most window types, though it performs best with hinged windows.Thanks!
Question from Caro: Asked on 09/01/2026 What colour is the tape?
Is it possible to remove the tape and replace the following summer?
Hi,The ElectriQ AC-AIRLOCK universal window seal is a light-colored (usually white) fabric that attaches to your window using adhesive hook-and-loop tape. The tape allows for easy seasonal use, so you can remove the seal at the end of summer and reinstall it the next year. Over time, the adhesive may lose some stickiness or leave light residue, but the tape can be replaced with standard peel-and-stick hook-and-loop strips if needed.Thanks!
Question from C Barr: Asked on 22/06/2025 Will this work on a velux window that has a centre pivot? In the user manual it only shows windows with an end pivot.
The electriQ AC-AIRLOCK Universal Window Seal is designed to fit a variety of window types, including Velux windows. Thanks!
Question from Cashmere5: Asked on 21/06/2025 Will this fit a velux window
Hi,The electriQ Universal Window Seal (AC-AIRLOCK) is designed to fit all window types, including Velux roof windows. It measures 400 cm long and 39 cm wide, offering a flexible and adjustable fit.Thanks!