1/4" x 3/8" x 100 ft Insulated Copper Pipe for HVAC & Air Conditioning Systems

Looking for a reliable and high-performance HVAC line set? This 1/4" x 3/8" x 100 ft insulated copper pipe is designed for maximum efficiency, durability, and easy installation. Ideal for mini split air conditioners, heat pumps, and refrigeration systems, it delivers long-lasting performance in both residential and commercial applications.

The Insulated Copper Pipe Air Conditioning is twin already. So buy it now.

Product Overview – 100 ft Pre-Insulated Copper Line Set

This premium HVAC copper line set is engineered to connect indoor and outdoor units efficiently. With factory-applied insulation and flexible copper tubing, it simplifies installation while improving system performance.

• Liquid Line: 1/4 inch (6.35mm)

• Suction Line: 3/8 inch (9.52mm)

• Length: 100 ft (30.5 meters)

• Structure: Twin copper pipes

• Application: HVAC & Refrigeration systems

This configuration is commonly used for 9000–12000 BTU mini split air conditioners.

Premium Copper Tubing – Built for Performance & Durability

99.9% Pure Copper for Maximum Efficiency

Manufactured with 99.9% pure copper, this line set ensures excellent thermal conductivity and long-term reliability. It complies with ASTM B280 and C12200 standards, making it suitable for professional HVAC installations.

High Pressure Resistance for Modern Refrigerants

With a pressure rating of 2100–7000 PSI, this copper pipe easily meets the requirements of modern refrigerants like R410A, ensuring safe and stable operation.

Advanced Insulation Technology for Energy Efficiency

UV-Resistant & Weatherproof Insulation

The pipe features high-density polyethylene or rubber insulation that is UV-resistant and suitable for both indoor and outdoor environments.

• Temperature Range: -40℃ to 120℃

• UV Resistant & Anti-aging

• Flame-retardant (UL94 compliant)

Moisture & Condensation Protection

The closed-cell insulation structure prevents water penetration and reduces condensation, protecting your system and surrounding structures.

Multi-Layer Insulation Structure

• Outer Layer: UV-resistant PE film

• Middle Layer: IXPE foam for insulation

• Inner Layer: Airtight closed-cell structure

This triple-layer design ensures superior insulation performance and durability.

99.9% Pure Copper

White PE Insulated Pipe

Plastic Cap

Features of pipe insulation tubing:

Machines for the production of thermal insulation pipes

warehouse for insulation pipes

Inner Layer Insulated Pipe

Key Benefits of This HVAC Copper Line Set

Energy Saving & Improved Cooling Efficiency

Pre-insulated tubing minimizes heat exchange, helping your HVAC system run more efficiently and reduce energy costs.

Easy Installation – Save Time & Labor

Factory insulation eliminates the need for additional wrapping, reducing installation time and labor costs.

Wide Compatibility with HVAC Systems

Compatible with:

• Mini split air conditioners

• Heat pumps

• Central air conditioning systems

Long Service Life & Corrosion Resistance

Copper naturally resists corrosion, ensuring a long lifespan even in harsh environments.

Applications – Where Can This Copper Pipe Be Used?

This insulated copper pipe is ideal for:

• Residential air conditioning installations

• Commercial HVAC systems

• Refrigeration systems

• Ductless mini split units

Especially suitable for 0.75–1 ton HVAC systems (9K–12K BTU).

Customization & OEM Manufacturing Options

Looking to build your own brand?

We offer:

• Custom insulation colors (black/white)

• Logo printing on insulation

• Custom lengths and packaging

• OEM & ODM services

Perfect for distributors, wholesalers, and HVAC brands.

Insulated Copper Pipe Air Conditioning

1/4 + 3/8 Insulated copper pipe air conditioning used for 0.75TON - 1.0TON mini split air conditioner.

1/4 + 1/2 Mini split line set used for 1.5TON - 2.0TON mini split air conditioning.

1/4 + 5/8 Copper line set used for 2.0TON - 2.5TON split air conditioner system.

3/8 + 5/8 Insulated copper tube apply for 3.0TON - 4.0TON ductless mini split air conditioner.

3/8 + 3/4 Insulated copper tubing used for 4.5TON - 6.0TON split air conditioner installation.

3/8 + 7/8 Insulated copper piping apply for 6.0TON - 8.0TON ductless mini split air conditioner.

Air conditioning copper line sets 1/4 + 3/8 used for 0.75P and 1P split air conditioning.

Copper pipe kit 1/4 + 1/2 commonly used for 1.5P and 2P mini split air conditioners.

1/4 + 5/8 Insulated copper line set used for 2P and 2.5air conditioner system.

3/8 + 5/8 Mini-split copper line set apply for 3P and 4P ductless mini split air conditioner.

3/8 + 3/4 Copper pipe kit used for 4.5P and 6P split aircon installation.

3/8 + 7/8 Insulated Copper piping apply for 6P - 8p TON ductless mini split air conditioner.

1/4 + 3/8 Mini split line set used for 9000BTU and 12000 BTU split air conditioner.

All copper line set 1/4 + 1/2 commonly used for 12000 BTU and 18000 BTU mini split air conditioners.

1/4 + 5/8 Insulated copper line set used for 24000 BTU and 30000 BTU air conditioner system.

3/8 + 5/8 Mini-split line set apply for 36000 BTU and 48000 ductless air conditioner.

3/8 + 3/4 Insulated copper pipe used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Insulated copper piping apply for 72000 BTU - 96000 BTU ductless mini split air conditioner.

Aircon copper line set 1/4 + 3/8 used for 9K and 12K split air conditioner.

High quality copper line set 1/4 + 1/2 commonly used for 12K and 18K mini split air conditioners.

1/4 + 5/8 Insulated copper line set used for 24K and 30K air conditioner system.

3/8 + 5/8 Mini-split line set apply for 36K and 48K ductless air conditioner.

3/8 + 3/4 Insulated copper pipe used for 54K and 72K split air conditioner installation.

3/8 + 7/8 Insulated copper piping apply for 72K - 96K ductless mini split air conditioner.

Why Choose DABUND as Your Copper Pipe Supplier?

• Over 15 years of HVAC manufacturing experience

• In-house insulation production

• Strict quality control standards

• Global export capability

• Competitive factory pricing

Whether you're a contractor or distributor, DABUND provides a reliable one-stop solution for HVAC line sets.

DABUND FACTORY

We produce Insulated Copper Pipe, Mini Split Line Set and Aluminum Pipe and HVAC Parts

SGS Certificate

Mini Split Line Set is made of Polypropylene or Black Rubber with UV Resistant, meets ASTM E 84, UL94, ASTM D1056 and ASTM G 21

Exhibition

We join the exhibitions all over the word, just to facilitate customers to experience our mini split line set face to face.

FAQ

1.What is a 1/4" x 3/8" insulated copper pipe used for?

This size is commonly used for mini split air conditioners ranging from 9000 BTU to 12000 BTU. It connects the indoor and outdoor units, allowing refrigerant to circulate efficiently.

2. Why is insulation important for copper pipes in HVAC systems?

Insulation prevents energy loss, reduces condensation, and protects the copper pipe from environmental damage. It improves overall system efficiency and extends the lifespan of the HVAC system.

3.Is this copper pipe compatible with R410A refrigerant?

Yes, this insulated copper pipe supports high-pressure refrigerants like R410A, thanks to its pressure rating of up to 7000 PSI.

4.Can I use this line set for both residential and commercial HVAC systems?

Absolutely. This product is suitable for residential homes, commercial buildings, and refrigeration systems.

5.What makes pre-insulated copper pipes better than standard pipes?

Pre-insulated pipes save installation time, reduce labor costs, and provide consistent insulation quality compared to manually insulated pipes.

6.Can I customize the insulated copper pipe for my brand?

Yes, OEM services are available, including custom branding, insulation color, packaging, and printing on the insulation.

7.How long does an insulated copper pipe last?

With proper installation, high-quality copper pipes can last 15–20 years or more, thanks to their corrosion resistance and durability.

8.Is this product suitable for outdoor installation?

Yes, the UV-resistant insulation makes it ideal for outdoor use, protecting against sunlight, rain, and temperature fluctuations.