1/4" x 1/2" x 100 ft Insulated Copper Tube for HVAC & Mini Split Systems

This 1/4" x 1/2" x 100 ft insulated copper tube is designed for HVAC and air conditioning systems, delivering efficient refrigerant flow, superior insulation performance, and long-term durability. Made from high-purity copper and factory-insulated, it is ideal for residential and commercial installations.

The insulated copper tube is twin already. So buy it now.

Product Overview – 100 ft HVAC Insulated Copper Line Set

This copper tubing set features a 1/4" liquid line and 1/2" suction line, pre-insulated for convenience and energy efficiency.

• Length: 100 ft (30.5 m)

• Material: 99.9% pure copper

• Insulation: UV-resistant polyethylene foam

• Application: Mini split AC, heat pump, ducted HVAC

It is suitable for long-distance installations where consistent refrigerant flow is required.

Key Features of 1/4" x 1/2" Insulated Copper Tube

99.9% Pure Copper with ASTM Certification

Manufactured according to ASTM B280 and C12200 standards, ensuring high thermal conductivity, corrosion resistance, and long service life.

High Pressure Rating for Modern Refrigerants

With a pressure range of 2100–7000 PSI, this copper tube exceeds typical HVAC requirements and supports refrigerants like R410A and R32.

Factory-Applied Insulation for Energy Efficiency

The pre-insulated design minimizes heat transfer, reduces energy loss, and improves overall HVAC system performance.

UV-Resistant & Flame-Retardant Insulation

The insulation meets multiple standards including ASTM E84 and UL94, offering fire resistance, UV protection, and durability for outdoor use.

Technical Specifications

Copper Tube Dimensions

• Liquid Line: 1/4 inch (6.35 mm)

• Suction Line: 1/2 inch (12.7 mm)

Insulation & Temperature Range

• Insulation Material: High-density closed-cell polyethylene foam

• Working Temperature: -40°C to 120°C

Compliance Standards

• ASTM B280 (Copper tubing)

• ASTM E84 (Fire resistance)

• UL94 (Flame retardant)

• ASTM D1056 / G21

These standards ensure safety, performance, and long-term durability in HVAC applications.

Applications – Designed for Versatile HVAC Systems

This insulated copper tube is widely used in:

• Mini split air conditioners

• Heat pump systems

• Central air conditioning systems

• Residential & commercial HVAC installations

It supports efficient refrigerant transfer across various system configurations.

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

Benefits of Pre-Insulated Copper Tubing

Enhanced Energy Efficiency

Reduces heat exchange and improves cooling performance.

Condensation Prevention

Prevents moisture buildup and protects building structures.

Faster Installation

Factory insulation eliminates additional wrapping, saving labor time.

Long-Term Durability

Copper’s corrosion resistance combined with durable insulation ensures extended service life.

OEM & Customization Services

We provide flexible OEM/ODM solutions:

• Custom lengths (1m–50m or more)

• Insulation thickness & material options

• Logo printing on insulation

• Bulk packaging for distributors

Insulated Copper Tube

1/4 + 3/8 AC line set 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 tube 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 pipe 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.

Insulated copper tube 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 tube used for 54000 BTU and 72000 split air conditioner installation.

3/8 + 7/8 Insulated copper pipe 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 tube 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 tube 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 1/4" x 1/2" x 100 ft Insulated Copper Tube from DABUND PIPE

We are manufacturer of insulated copper tube since 2008 years, have good experience of producing and exporting. We have cooperated 9 years forwarder, can guarantee the shipment. Every week we load at least 6-8 40HQ to different countries. Choose Dabund You will win the business.

Individual pre-insulated rolls to perfectly fit every ductless mini-splits, VRF, heat pumps and unitary systems installation.

Quality products with competitive pricing

Peace of mind with professional services

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 1/2" insulated copper tube used for?

It is used as a refrigerant line set in HVAC systems, connecting indoor and outdoor units in mini split air conditioners and heat pumps.

2.What size air conditioner uses a 1/4" x 1/2" line set?

This size is typically used for 1–1.5 ton (12,000–18,000 BTU) air conditioning systems.

3.Why is insulation important for copper tubing?

Insulation reduces heat loss, improves system efficiency, and prevents condensation, especially in humid or outdoor environments.

4.Is this copper tubing compatible with R410A refrigerant?

Yes, it supports modern refrigerants such as R410A and R32 due to its high pressure rating and ASTM compliance.

5.Can this insulated copper pipe be used outdoors?

Yes, the insulation is UV-resistant, weatherproof, and flame-retardant, making it suitable for outdoor installations.

6.What standards does this copper tubing meet?

It complies with ASTM B280, ASTM E84, UL94, and ASTM D1056, ensuring high safety and quality standards.

7. What are the advantages of pre-insulated copper tubes?

They reduce installation time, improve energy efficiency, and provide consistent insulation performance.

8.Can I customize the insulated copper tube?

Yes, OEM services are available, including custom length, insulation thickness, branding, and packaging.

9.Is 100 ft a suitable length for HVAC installation?

Yes, 100 ft is ideal for long-distance installations where indoor and outdoor units are far apart.