This document describes an energy efficient product that protects air conditioning refrigerant lines from various environmental threats. The product is made of flexible PVC plastic with velcro fasteners. It has UV, anti-fungal and anti-microbial properties. It fits over various sized refrigerant lines and allows for visual line inspections during maintenance. Testing shows it provides effective protection from water, vapor, weathering, UV rays, fungi and meets California building codes for outdoor refrigerant line covering.