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Air Conditioner Connection Pipe

The air conditioner connection pipe is a core component of the home air-conditioning system.
It is used to connect the indoor unit and the outdoor unit, realizing the cyclic transportation of refrigerant.
It directly affects the cooling/heating efficiency, stability, and service life of the air-conditioner.
As a professional ac pipe manufacturer, JIAHAO focuses on producing high-quality air conditioner connection pipe for global users.

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Core Classifications (by Material)

Pure Copper Pipe

Copper Corrugated Pipe

Copper - Aluminum Connecting Pipe

Material Properties: Made of high-purity red copper, it has excellent thermal conductivity, corrosion resistance (anti-oxidation, anti-refrigerant corrosion), and toughness. It is not easy to rupture after being bent.

Core Advantages: Strong sealing performance, low risk of refrigerant leakage; not easy to age during long-term use (10-15 years), suitable for various climatic environments; high maintenance compatibility, and it is the mainstream choice in the industry, matching standard air conditioner lines.

Applicable Scenarios: Scenarios of long-term home use, high-humidity/coastal areas, and scenarios with high requirements for air-conditioner stability; works with common air conditioner lines for split systems.

Material Properties: Copper tubes offer high thermal conductivity and corrosion and oxidation resistance; the PE layer provides excellent thermal insulation and resists UV and chemical damage.

Core Advantages: High thermal conductivity and corrosion resistance, strong flexibility, easy installation, reduced leakage, energy-saving and environmentally friendly, and long life; compatible with most air conditioner lines.

Matters Needing Attention: Select the appropriate model and install according to specifications. Avoid excessive bending, ensure joints are sealed, test after completion, and perform regular maintenance to prevent aging.

Applicable Scenarios: Widely used in heating and air conditioning systems, hot and cold water supply, solar water heating pipelines, chemical fluid transportation, and cable protection; seamlessly fits air conditioner lines in HVAC setups.

Material Properties: The pipe body is an aluminum pipe, and the joints at both ends are copper pipes (connected by a special process), taking into account both cost and joint sealing performance.

Core Advantages: Lower cost than pure copper air conditioner connection pipe, and the sealing performance of the joint (copper pipe) is better than that of pure aluminum pipes; high installation flexibility, matching standard air conditioner lines.

Matters Needing Attention: The joint needs to be protected emphatically (material difference is prone to oxidation). It is recommended to regularly check the sealing state; medium service life (5-8 years).

Applicable Scenarios: Scenarios for mid-range budgets, non-coastal/non-high-humidity areas, and families planning to replace the air-conditioner in the medium term (about 5 years); works with common air conditioner lines.

Air Conditioner Connection Pipe

Jiahao PE Insulated Copper Pipe Coil manufactured to Australian Standard AS/NZS 1571 is suitable for use in domestic split system air conditioners with high pressure refrigerants R410A and R32. Produced to be more durable with embossed polyethylene flm and crossed-linked, foamed closed cell polyethylene outer insulation.

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Product Center

Air Conditioner Connection Pipe

Key Performance Indicators

Pressure Resistance The air conditioner connection pipe needs to withstand the refrigerant pressure during the normal operation of the air-conditioning system (usually ≥2.5MPa) to prevent the pipe from rupturing, ensuring stable refrigerant transport for air conditioner lines.
Thermal Insulation Special-purpose thermal insulation cotton (mostly PE or rubber-foam material) is matched to reduce cold/heat loss and avoid the generation of condensed water.
Bending Radius Pure copper air conditioner connection pipe needs a radius ≥5 times pipe diameter; aluminum/copper-aluminum types ≥8 times to avoid blockages in air conditioner lines.

Purchase Suggestions

Prioritize Pure Copper Pipes
For long-term use or high humidity, choose pure copper air conditioner connection pipe (wall thickness ≥0.8mm, preferably "T2 red copper").
Check Matching Accessories
Ensure qualified insulation cotton (≥15mm) and refrigerant-resistant sealing rings—critical for air conditioner connection pipe performance.
Match AC Power
Select diameter by cooling capacity (e.g., 1.5HP uses φ6.35/φ12.7mm; 2HP uses φ6.35/φ15.88mm) to fit air conditioner lines.

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 Connection Pipe from Jiahao

As a professional ac pipe 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.

For Brand Owners
• Precise alignment and implementation of your brand philosophy
• Dedicated specialist for full-process production progress monitoring
• Regular progress reports for complete information transparency
For Large Installers
• Real-time synchronization of project information and progress
• Customized support lists and services based on project needs
• One-stop comprehensive solutions
For Distributors
• Timely inventory preparation to facilitate your market expansion
• Flexible price adjustments + dual guarantees on production capacity and quality
• Efficient handling of customer issues and reliable after-sales service
For Online and Offline Stores
• Set target periods; enjoy bulk discounts when order volume targets are met
• Recommendations for popular products to support bundled sales
• Selected freight forwarder partnerships to reduce logistics costs
For Amazon e-commerce
• Advance preparation of required materials to save your time
• Custom carton production based on your confirmed packaging dimensions
For Non-target Customers
• No proactive outreach; only responsive service
• Quick connection + efficient deal closure; no delays

Cooperation Process

Inquiry

1

Confirm
Details

2

Contract
Signing

3

Order
Production

4

Quality
Inspection

5

Safety
Inspection

6

Package

7

Shipment

8

Arrival

9

Aftermarket Support
Technical Support

10

FAQ

What are the common materials of home air conditioner connection pipe?
The main materials include copper pipes, aluminum pipes, and copper-aluminum connecting pipes. Copper pipes are the mainstream choice for air conditioner lines, thanks to their optimal corrosion resistance, thermal conductivity, and stability.
Which is better: copper-aluminum connecting pipes or pure copper pipes?
Pure copper air conditioner connection pipe has better overall performance—good aging resistance and low refrigerant leakage risk, suitable for long-term use. Copper-aluminum pipes cost less but need tight sealing (joints oxidize easily), ideal for short-term use or limited budgets.
Does the length of air conditioner connection pipe affect AC performance?
Yes. Excessive length increases refrigerant loss and reduces cooling/heating efficiency of air conditioner lines. Usually, it should not exceed 10-15 meters (manufacturer’s max limit); beyond that, professionals need to adjust refrigerant volume.
Do air conditioner connection pipes need thermal insulation?
Yes. Without insulation, cold/heat loss harms efficiency, and condensation may damage walls/furniture. Use special insulation cotton and seal joints tightly to protect the air conditioner connection pipe.
What should be done if the connecting pipe leaks refrigerant?
Turn off the AC first, then contact professionals to find leaks (often at joints/bends). Replace damaged sections or re-weld seals, then refill with specified refrigerant to restore air conditioner lines.
Can air conditioner connection pipes be bent during installation?
Moderate bending is allowed, but avoid over-bending or dead bends—this causes blockages and poor refrigerant circulation in air conditioner lines. The bending radius should be at least 5 times the pipe diameter.
How often to replace air conditioner connection pipe?
With proper maintenance (no corrosion/leaks), pure copper pipes last 10-15 years; aluminum/copper-aluminum pipes last 5-8 years. Inspect every 5-8 years and replace if oxidation, bulging, or leakage occurs.
Will exposed air conditioner connection pipe be damaged in rain?
Outdoor pure copper air conditioner connection pipe needs rust prevention (e.g., anti-rust paint). Aluminum pipes oxidize easily in rain—follow a professional ac pipe manufacturer’s advice: wrap exposed parts with waterproof insulation or avoid long-term outdoor exposure.