1. Efficient Hot Air Removal: This portable air conditioner sealing device installs easily between your window frame and the window using a hose. It effectively expels hot air generated by the air conditioner outside, while keeping the cool air inside your room. Enjoy a consistently cool environment for extended periods. 2. Enhanced Cooling Performance & Energy Saving: By preventing the infiltration of hot air, this device allows your space to cool down quickly. It improves your air conditioner's cooling efficiency, reduces energy consumption, lowers CO2 emissions, and saves on electricity costs—all contributing to a more sustainable lifestyle. 3. Waterproof Design: Constructed from waterproof nylon material, this air conditioner seal is suitable for use even on rainy days. It ensures a comfortable and cool indoor space during hot and humid summer weather. 4. Easy Installation: Featuring an improved dual-hole design, this sealing device provides a strong seal and simplifies the installation process, making it convenient for you to maintain a comfortable living environment. Use Scenarios: - Use in your bedroom to create a cool sleeping atmosphere during summer nights. - Ideal for living rooms where you want to maintain comfort while entertaining guests. - Perfect for home offices to ensure a productive and pleasant working environment in hot weather. This air conditioner sealing device is compatible with most window types and sizes, making it a versatile addition to your home cooling solutions. Experience effective cooling and energy savings with this essential product.