Line Sets & Covers

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Ductless HVAC • Line Sets & Covers

Clean Routing, Quiet Performance & Long-Term Protection - Mini Split Line Sets & Covers

The Mini Split Line Sets & Covers category is where you build the backbone of a professional ductless mini split installation. Refrigerant tubing, insulation, and communication wiring all travel between the indoor and outdoor units, and the way you route and protect those lines has a direct impact on system performance, appearance, and serviceability. This section gathers pre-insulated line sets, copper tubing, flare fittings, line hide covers, elbows, and accessories so you can design a clean, code-conscious path that looks as good as it performs.

With mini splits, every jobsite is different: some runs are short and straight, others wrap around corners, pass through soffits, or climb multiple stories. Using the right line set size, insulation thickness, UV protection, and cover system helps preserve capacity, reduce sweating, and prevent damage from sunlight, pets, or landscaping. A well-planned line hide kit also keeps the exterior of the building tidy, which is critical when homeowners and property managers are paying attention to curb appeal.

  • Pre-insulated mini split line sets in common liquid and suction sizes with flared ends, copper tubing, and durable insulation.
  • Line hide and cover systems including straight channels, elbows, tees, couplers, and termination caps in multiple colors.
  • Wall sleeves, trim plates & grommets to protect penetrations and seal around line set entries.
  • Flare fittings, unions & adapters rated for ductless refrigerant pressures and compatible with OEM specifications.
  • Insulation upgrades & accessories to improve UV resistance and reduce sweating in hot, humid, or high-sun environments.

When selecting mini split line sets and covers, confirm line size from the manufacturer’s engineering data, check the minimum and maximum allowable line lengths, and account for every bend and elevation change in the routing path. Use the Compare filters on this page to evaluate line set length, wall thickness, insulation rating, cover size, color, and accessory pieces so you can build a complete kit that matches your system and install conditions.

Pro tip: Before ordering, sketch your line set route from indoor head to outdoor unit and mark each turn, wall penetration, and elevation change. Note the wall finish (stucco, siding, brick) and where you want the cover to start and stop. Share your mini split model numbers and that sketch, and we can help you pick the right line set sizes, cover kit components, and OEM-compatible fittings so your installation looks clean on day one and stays protected for the long term.

Mini split line sets, insulation, and line hide covers installed on exterior wall

Mini Split Line Sets & Covers Category Overview

The Mini Split Line Sets & Covers category at HVACProSales.com includes pre-insulated line sets, copper tubing, flare fittings, line hide covers, elbows, tees, wall sleeves, and trim plates for ductless installations. Contractors can compare length, tubing size, insulation thickness, cover size, color, and OEM compatibility to design clean, reliable refrigerant line routes for single-zone and multi-zone mini split systems.

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Duncan L purchased: for 5 minutes ago.
Alex M purchased: for 16 minutes ago.
Paul W purchased: for 19 minutes ago.
Sam P purchased: for 27 minutes ago.