Mini-split line sets, made simple.

Copper line sets, covers, and brackets — pre-flared, pre-insulated, and ready to install. Find the right parts in seconds.

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Polished copper tubes laid side by side on dark slate

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Know your spec? Go straight to it — every set comes in 16 ft and 25 ft.

1/4″×3/8″ 9,000–12,000 BTU Shop this size 1/4″×1/2″ 12,000–18,000 BTU Shop this size 3/8″×5/8″ 24,000–36,000 BTU Shop this size

Quick-connect system? Shop the pre-charged 16 ft line set — factory-sealed, no vacuum pump needed.

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Everything between your indoor and outdoor unit.

Coiled insulated mini-split copper line set with flared ends and brass flare nuts

Line Sets

Pre-insulated copper line sets — quick-connect and flared, ready out of the box.

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Mini-split line set cover kit — PVC raceway channel, elbows, and fittings

Line Set Covers

Paintable cover kits that hide and weatherproof the lines outside.

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Mini-split condenser wall mounting bracket — galvanized steel support

Mounting Brackets

Wall brackets, stands, and anti-vibration pads to hold the condenser level.

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Find your size by brand

Factory line-set specs for every major mini-split brand — the right diameters, length limits, and the matching set.

Mitsubishi1/4″ × 3/8″ Daikin1/4″ × 3/8″ Fujitsu1/4″ × 3/8″ LG1/4″ × 3/8″ MRCOOL1/4″ × 1/2″ Gree1/4″ × 3/8″ Bosch1/4″ × 3/8″ Carrier1/4″ × 1/2″ Midea1/4″ × 3/8″ Pioneer1/4″ × 3/8″ Senville1/4″ × 3/8″ Blueridge1/4″ × 3/8″ Cooper & Hunter1/4″ × 3/8″ Della1/4″ × 3/8″ Samsung1/4″ × 3/8″ TOSOT1/4″ × 3/8″ Goodman1/4″ × 3/8″ Panasonic1/4″ × 3/8″

Sizes shown are each brand's typical smallest wall unit — every page lists the full capacity table. Don't see your brand? Start from the full size chart or the size calculator — sizing follows capacity more than badge.

Free tool

What size line set do I need?

Answer a couple of questions about your mini-split and run length, and we'll tell you the exact line set to buy.

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Or find it by your brand · browse the full size chart

Popular brands: Mitsubishi · Daikin · Pioneer · Fujitsu