Designed with environmental consciousness in mind, this window vent set helps reduce carbon emissions while offering a practical solution for home improvement that aligns with consumer values. The portable air conditioner window set provides a sealing solution to prevent hot air from entering, boosting AC efficiency and keeping indoor spaces cool and comfortable. Ideal for homeowners looking to improve air conditioning efficiency and maintain good indoor air quality, as well as for renters needing a quick, effective solution for portable air conditioners. Made from polyester, this window vent set is adjustable and fits various window types, including sliding and casement windows, for reliable sealing. Use scenario: In a living room with a portable AC, install in a sliding window to block warm air and improve cooling during hot days. Use scenario: In a bedroom with a casement window, adjust the set to seal around the portable unit, enhancing nighttime comfort and reducing energy use. Use scenario: In a rental apartment or office space, quickly deploys without permanent modifications, providing an easy fix for portable ACs and preventing drafts.