Upgraded window air conditioner side panels Materials and performance: The upgraded side panels are built from durable materials that improve insulation and wind resistance and help reduce noise around the unit. Stay comfortable: Seals out pollen and heat drafts to enhance insulation and the overall appearance of the air conditioner, making your home feel more comfortable. Energy efficiency and savings: Seals the gap between the air conditioner and the window frame to prevent cold air from escaping in winter and hot air from entering in summer, helping to reduce heating and cooling costs. Perimeter protection: Provides perimeter protection to seal around the unit, reducing drafts and contributing to a neater, more comfortable living space. Use scenarios Summer cooling: Install around a window air conditioner to minimize air leakage, improve cooling efficiency, and reduce operational noise. Allergy or dusty environments: The panel helps block pollen from entering through gaps around the unit, contributing to a cleaner indoor environment. Winter and shoulder seasons: Helps minimize drafts and heat loss around the window area, supporting more stable indoor temperatures and improved comfort.