HVAC Line Set & Refrigerant Line Protection The AIREX 72E E-Flex Guard is a durable HVAC line set protector designed to shield 1/2" wall insulation on outdoor refrigerant and copper line sets. This flexible line set sleeve helps protect exposed insulation from UV exposure, weather, and physical damage while providing a clean, professional finished appearance. Designed for residential, multifamily, and commercial HVAC installations, E-Flex Guard provides a removable and reusable line set insulation protector and an alternative to traditional rigid line set covers and tape. Available Sizes 6' Length – Model 72E 72E-B – 6' Black 72E-W – 6' White Available for online purchase 75' Continuous Roll – Model 750E 750E-B – 75' Black 750E-W – 75' White Available by special order for larger quantities and project orders Planning a larger installation? Read our Line-Set Protection Guide and contact us for 75-foot roll availability and contractor quantity pricing. Available in black or white. Why Choose Airex E-Flex Guard? ✓ Protects Line Set Insulation – Helps shield outdoor refrigeration piping insulation from UV exposure, weather and physical damage. ✓ 1/2" Wall Insulation Compatibility – Model 72E is designed specifically for applications using 1/2" thick insulation. ✓ Professional Appearance – Provides a clean finished look compared with exposed insulation or traditional protective tape. ✓ Removable & Reusable – Allows easier access to refrigeration piping for inspection and service. ✓ Vapor Retarder – Helps protect the insulation system and maintain HVAC efficiency. ✓ Residential & Commercial Applications – Ideal for homes, multifamily construction and commercial HVAC installations. Which E-Flex Guard Model Do I Need? Choose your model based on the wall thickness of the line-set insulation: 1/2" wall insulation → Airex 72E - Currently Viewing3/4" wall insulation → Airex 72C1" wall insulation → Airex 72X Always confirm your copper tubing and insulation dimensions before ordering. Tested Standards AIREX E-Flex Guard product/material testing includes: ASTM G153 – Weatherization and UV Exposure ASTM E96 – Water/Vapor Permeability ASTM D412 – Tension Deformation ASTM D570 – Water Absorption ASTM E84 / UL 723 – Flame and Smoke Rating 25/450 Codes & Standards E-Flex Guard is designed to address requirements related to protection of outdoor refrigeration piping insulation, including applicable provisions referenced by: International Energy Conservation Code (IECC) International Residential Code (IRC) California Building Energy Efficiency Standards ANSI/ASHRAE/IES Standard 90.1 Always verify applicable requirements with the local authority having jurisdiction. Ideal Applications HVAC refrigerant line sets Outdoor refrigeration piping Condenser line-set protection Residential HVAC systems Multifamily construction Commercial HVAC projects New construction and replacement installations Buying for a project? We offer contractor and job-quantity pricing for larger HVAC and multifamily projects. Contact Solid Source HVAC for volume pricing.
