Introduction
The Lifetime Air Window Seal is a universal kit designed to create an airtight seal around windows and doors for mobile air conditioners and exhaust air dryers. This 320 cm seal prevents warm air from re-entering your room, significantly improving the efficiency of your cooling or drying appliance. It is suitable for various window and door types and is made from durable, weather-resistant material.
Product Features
- Universal Compatibility: Designed to fit all mobile air conditioners and exhaust dryers, with fastening strips compatible with most window types.
- Versatile Application: Suitable for balcony doors and tilt windows up to 210 x 100 cm, sliding doors up to 2.10 m height, and skylights up to 2.10 m width.
- Enhanced Efficiency: Prevents warm air from flowing back into the room, leading to faster and more effective cooling.
- Premium Material: Constructed from a special synthetic fiber that is UV-resistant, waterproof, and windproof, ensuring durability.
- Tool-Free Installation: Easily attaches to windows or doors using included self-adhesive hooks, allowing for quick setup and residue-free removal.
Setup and Installation
Follow these steps for a quick and easy installation of your Lifetime Air Window Seal:
- Prepare the Surface: Ensure the window frame or door frame where the seal will be attached is clean and dry.
- Attach Adhesive Hooks: Apply the included self-adhesive hooks along the perimeter of your window or door frame. Make sure they are firmly pressed against the surface.
- Position the Seal: Unfold the Lifetime Air Window Seal. The seal consists of a main rectangular piece and two triangular pieces.
- Secure the Main Piece: Attach the main rectangular piece of the seal to the adhesive hooks around the window opening. Ensure the opening for the air conditioner hose is positioned correctly.
- Attach Triangular Pieces (if applicable): For certain window types (e.g., tilt windows or larger openings), use the two triangular pieces to extend the seal and cover any remaining gaps.
- Insert Air Conditioner Hose: Once the seal is securely in place, insert the exhaust hose of your mobile air conditioner or dryer through the designated opening in the seal. Use the integrated zipper or drawstring to tighten the opening around the hose, creating a complete seal.
- Check for Gaps: Visually inspect the entire seal to ensure there are no gaps where warm air could enter or cool air could escape. Adjust as necessary.

Figure 1: Illustration of the window seal components and how they attach to a window. This diagram shows the main seal fabric with an opening for the hose, and the adhesive strips for securing it to the window frame.

Figure 2: The window seal fully installed with an air conditioner exhaust hose passing through the sealed opening, demonstrating how it creates an airtight barrier.

Figure 3: This image depicts two common window types, a casement window and a tilt-and-turn window, indicating the versatility of the Lifetime Air Window Seal across different window designs.
Operating Instructions
The Lifetime Air Window Seal operates passively by creating a sealed environment for your air conditioner's exhaust hose. Once installed, its primary function is to prevent the exchange of air between the inside and outside of your room, thereby maximizing the efficiency of your cooling or drying appliance.
- Ensure the air conditioner hose is securely fitted through the seal's opening and the zipper/drawstring is tightened around it.
- Confirm that the window or door is closed as much as possible with the seal in place to maintain the airtight barrier.
- The seal allows you to open and close the window/door without removing the entire setup, simply by detaching the hose from the seal's opening if needed.
Maintenance
To ensure the longevity and effectiveness of your Lifetime Air Window Seal, follow these simple maintenance guidelines:
- Cleaning: If the seal becomes dirty, gently wipe it with a damp cloth and mild soap. Avoid harsh chemicals or abrasive cleaners that could damage the material.
- Drying: Ensure the seal is completely dry before storing it to prevent mold or mildew growth.
- Storage: When not in use, remove the seal and store it in a cool, dry place away from direct sunlight. Folding it neatly will help maintain its shape.
- Adhesive Hooks: If the adhesive hooks lose their stickiness over time, they can be replaced. Ensure the surface is clean before applying new hooks.
Troubleshooting
If you encounter issues with your Lifetime Air Window Seal, consider the following:
- Warm Air Leaking In:
- Check if the seal is fully attached to all adhesive hooks around the window/door frame.
- Ensure the zipper/drawstring around the air conditioner hose is tightly closed.
- Verify that the window or door is closed as much as possible with the seal installed.
- Inspect the seal material for any tears or damage.
- Seal Not Sticking:
- Ensure the window/door frame surface was clean and dry before applying the adhesive hooks.
- The adhesive hooks may need to be replaced if they have lost their stickiness due to prolonged use or residue.
- Difficulty Closing Window/Door:
- Ensure the seal is not bunched up or obstructing the closing mechanism of the window/door. Adjust its position if necessary.
Specifications
| Manufacturer | Lifetime Air |
| Part Number | 8711252178349 |
| Product Dimensions | 62 x 22 x 14 cm; 400 g |
| Item Model Number | 8711252178349 |
| Color | Yellow |
| Number of items in package | 1 |
| Included Components | Lifetime Air Window Kit Window Seal, 320 cm, for mobile air conditioners and exhaust air dryers, universal, suitable for all hose sizes, waterproof, windproof |
| Batteries included? | No |
| Batteries required? | No |
| ASIN | B08BLLNFFB |
| Guaranteed software updates until | Unknown |
| Date First Available | June 22, 2020 |
Warranty and Support
Specific warranty information for the Lifetime Air Window Seal is not provided in this manual. For details regarding warranty coverage, returns, or technical support, please refer to the product packaging or contact the manufacturer directly through their official website or customer service channels.
You can often find support information on the Lifetime Air Store on Amazon.





