Energy efficiency and heat retention This AC hose insulating sleeve effectively retains heat within the hose, preventing warm air from entering your living space. By reducing heat transfer, it helps conserve energy and maintains a cooler indoor environment during hot summer days. Size and compatibility Dimensions: 59 inches long and 21 inches wide. Fits most 5 inch and 9 inch diameter exhaust hoses from various brands, making it a versatile addition to your cooling system. Easy installation Hassle setup: stretch the hose, wrap it with the insulation cover, secure both ends with the elastic bands, and attach it to your AC unit without worrying about slippage. Material and construction Three layers of insulation material for thickness and flexibility. Double design to accommodate most air conditioner hoses while providing strong protective capabilities. Use scenarios Scenario 1: In homes with window or portable AC units, use this sleeve to minimize heat leakage from the exhaust hose and keep living spaces cooler. Scenario 2: In apartments or shared spaces with external hoses, the sleeve helps improve energy efficiency and overall comfort. Scenario 3: In garages or workshops where hoses run through doors or walls, the cover provides durable insulation and protects surrounding areas from heat.