Portable AC Window Sealing Kit – Waterproof Vent Draft Guard

Keep Your Space Cool & Comfortable with the Portable AC Window Sealing Kit

Stop wasting energy and start enjoying a truly comfortable indoor environment. This Portable Air Conditioner Window Sealing Kit creates a tight thermal barrier between your portable AC exhaust hose and your window frame — keeping cool air in and warm air out, all season long. Made in Mainland China from durable polyester/cotton fabric, it's built to perform in real-world conditions.

Key Features

• Sealed Thermal Barrier: Creates an efficient insulating seal that prevents cold air from escaping and blocks unwanted warm air from entering your space — maximizing your AC's cooling output.
• Wide Window Compatibility: Fits a variety of window configurations including inward and outward openings, with double vent adjustments and a generous maximum perimeter of 300 cm / 118.11 inches.
• Waterproof & UV-Resistant Fabric: Heavy-duty polyester resists moisture, UV exposure, and weather damage — maintaining a dry, comfortable indoor environment season after season.
• Tool-Free, Drill-Free Installation: Simply follow the clear three-step setup using the built-in zipper and adhesive tape system. No drilling, no damage — easy to install and remove for storage.
• Multi-Functional Protection: Guards against rain intrusion, drafts, and outside noise while supporting energy-saving performance and a cleaner indoor space.
• All-Season Versatility: Ideal for summer cooling and winter warmth — provides effective wind protection, improved ventilation, and added home security year-round.
• Perfect For: Kitchens, basements, patios, apartments, offices, and any indoor space with a portable AC unit.

Product Specifications

• Material: Polyester / Cotton
• Maximum Perimeter: 300 cm / 118.11 inches
• Weight: Approx. 220 g
• Style: Modern
• Country of Origin: Made in Mainland China

What's in the Box?

• 1 × Portable Air Conditioner Window Sealing Kit

Note: Due to variations in lighting and screen settings, actual color may differ slightly from images. Please allow a 1–2 cm tolerance due to manual measurement.

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Frequently Asked Questions

Q: What window types is this portable AC window sealing kit compatible with?

A: This window sealing kit is designed to fit a wide range of window configurations, including both inward and outward-opening windows. It features double vent adjustments and accommodates windows with a maximum perimeter of up to 300 cm (118.11 inches), making it suitable for most standard residential and commercial windows.

Q: Does installing this kit require any drilling or special tools?

A: No drilling or special tools are needed. The kit installs using a simple zipper and adhesive tape system with a clear three-step process. It can be easily removed and stored when not in use, leaving no permanent damage to your window frame.

Q: Is this sealing kit waterproof, and can it be used outdoors or in damp areas?

A: Yes — the kit is made from waterproof, UV-resistant polyester fabric that resists moisture and weather exposure. It is ideal for use in damp or humid indoor areas such as basements, kitchens, and patios, and effectively guards against rain intrusion when properly installed.

Q: Can this kit be used in winter as well as summer?

A: Absolutely. While it's optimized for summer cooling by blocking warm air entry, its sealed thermal barrier design also helps retain indoor warmth during winter months, providing effective wind protection and draft reduction year-round.