Air Conditioner Copper Line Set
The “air conditioner copper line set” means the copper tubing set of the air conditioner,
which is an important part of air conditioning systems to connect the indoor units to the outdoor units on boilers.
It is mainly composed of a pair of tubes of different diameters, which are used to transport refrigerant liquid and refrigerant gas.
For durable, reliable solutions, choose JIAHAO’s air conditioner copper line set
—we have premium air conditioner copper line to meet your needs.
Request a Quick Quote
Structural Composition
Copper Tubes
Insulation Layer
Connection Fittings
Typically made of red copper, they boast excellent thermal conductivity, corrosion resistance, and formability—core to the performance of ac copper line set. For scenarios needing easy installation (e.g., tight spaces), flexible copper pipe for ac is also available. Common diameters include 1/4 inch, 3/8 inch, and 1/2 inch, matching different AC power levels.
Covering the outside of copper tubes, it prevents refrigerant heat loss and surface condensation—an essential part of hvac copper line set. Made of foam plastic, it further provides insulation, shock absorption, and anti-corrosion, protecting the integrity of the copper line.
Include flare fittings and nuts, designed to securely connect copper tubes to split AC indoor/outdoor units. They ensure a tight seal for air conditioner copper line set, avoiding refrigerant leakage and maintaining consistent refrigerant flow through the copper line.
Air Conditioner Copper Line Set
Rubber insulated insulation pipe is a flexible pipemade of rubber and plastic processed through special production processes.Low thermal conductivity: not exceeding 0.034W/m · k at 0 ° C, with excellent insulation performance.
Get A Free Quot Now!
View More Related Products
Product Center
  • Air Conditioner Copper Line Set
img

Performance Characteristics

Strong Pressure Resistance Our air conditioner copper line is engineered to withstand high pressure. A standard ac copper line set must operate reliably under refrigerant pressures ranging from 2100 psi to 7000 psi.
Sealing Performance Precision flaring and high-quality connectors are crucial for a superior seal in any hvac copper line set , effectively preventing refrigerant leakage.
Wide Compatibility This type of flexible copper pipe for ac systems offers wide compatibility, working seamlessly with different brands of mini-split and central air-system heat pumps.

Installation Key Points

  • Selection of Length
    Correctly measure to determine the optimal length for your ​​ac copper line set​​, avoiding excess or shortage that can impact system efficiency.
  • Bending Radius
    When bending the ​​air conditioner copper line​​, adhere to the minimum bending radius to prevent kinking or deforming the ​​flexible copper pipe for ac​​.
  • Connection Fastening
    Ensure flares and nuts on the ​​hvac copper line set​​ are securely tightened to prevent leaks, but avoid over-tightening which can damage the fittings.

Customize cooling solutions to meet your every need.

We have established a professional engineering and technology R&D center equipped with over 10 automated production lines to ensure efficient production.
Simply share your ideas with us.

Contact Jiahao

Air Conditioner Copper Line Set from Jiahao

As a professtional HVAC copper line set manufacturer, we specialize in the professional design, research, development, manufacturing, and comprehensive sales service of refrigeration solutions.

With a workforce of over 120 skilled employees, we operate 6 workshops spanning 25,000 square meters, equipped with more than 10 automated production lines for efficient output.


High-quality products with a 3-year warranty and triple compensation for any failure.
High cost-performance ratio, competitive pricing among products of similar quality.
Strong product expertise, market and application understanding, and expert advice.
Short delivery time: 20-30 days for custom products and 7-15 days for in-stock products.
Customized packaging, free design available.
Product certificates, complete test reports, and over 50 invention and technology patents.
Payment method: T/T (30%), pre-shipment payment accepted for long-term customers.

Cooperation Process

swiper process icon1

Inquiry

1
swiper process icon2

Confirm
Details

2
swiper process icon3

Contract
Signing

3
swiper process icon4

Order
Production

4
swiper process icon5

Quality
Inspection

5
swiper process icon6

Safety
Inspection

6
swiper process icon7

Package

7
swiper process icon8

Shipment

8
swiper process icon9

Arrival

9
swiper process icon10

Aftermarket Support
Technical Support

10

FAQ

  • What are the common materials for home air conditioner connecting pipes?​

    The main materials include copper, aluminum, and copper-aluminum composite pipes. A high-quality ​​air conditioner copper line​​ is the mainstream choice due to its optimal corrosion resistance, thermal conductivity, and long-term stability.

  • Which is better, copper-aluminum pipes or pure copper pipes?​

    Pure copper pipes offer superior comprehensive performance. Our pure copper ​​ac copper line set​​ features excellent aging resistance and is less prone to refrigerant leakage, making it ideal for long-term, reliable operation.

  • Does the length of the connecting pipe affect air conditioning performance?​

    Yes, it does. An incorrectly sized ​​hvac copper line set​​ can impact efficiency. Excessive length increases refrigerant pressure loss. It's crucial to follow the manufacturer's recommended maximum length and avoid unnecessary surplus.

  • Do connecting pipes need thermal insulation?​

    Yes, thermal insulation is essential. Properly insulating a ​​flexible copper pipe for ac​​ systems prevents energy loss and avoids condensation that can damage walls. Our line sets come with high-quality insulation for maximum efficiency.

  • What should I do if the connecting pipe leaks refrigerant?​

    First, turn off the system and contact a professional. Leaks often occur at joints or bends. The damaged section of the ​​air conditioner copper line​​ may need to be replaced or re-brazed by a technician, followed by a refrigerant recharge.

  • Can the connecting pipes be bent during installation?​

    Moderate bending is allowed. However, to ensure optimal refrigerant flow, avoid sharp bends. When installing an ​​ac copper line set​​, the bending radius should not be less than 5 times the pipe's diameter to prevent kinking.

  • How often does the connecting pipe need to be replaced?​

    A well-maintained pure copper ​​hvac copper line set​​ can last 10-15 years. Its exceptional durability means it typically only requires replacement if physically damaged, offering outstanding long-term value.

  • Will the exposed section of the pipe be damaged by rain?​

    High-quality copper offers good corrosion resistance. For long-term protection of the exposed section of your ​​flexible copper pipe for ac​​, ensure the insulation jacket is intact. For added durability, our pipes feature a robust, waterproof outer layer.