Window AC Unit Insulation Panel Kit Foam Side Cover SealWindow AC Unit Insulation Panel Kit Reduces Heat Noise Air Gaps Improve comfort and efficiency around your window AC unit with this easy to use AC insulation panel kit. Designed with thick foam and flexible covering, it helps block unwanted airflow and seals gaps around your window air conditioner. This window AC cover insulation reduces heat in summer and drafts in colder months, while also helping limit outside noise and light for a more comfortable