Premium 82 ft insulated copper pipe designed for split air conditioners, heat pumps, and ductless HVAC systems. This 1/4″ × 3/8″ pre-insulated copper refrigerant line delivers superior energy efficiency, condensation control, and long-term performance for residential and commercial installations.
The Mini Split Air Conditioner Line Set is twin already. So buy it now.
Product Overview – 82 ft Insulated HVAC Copper Line Set
This 82 ft HVAC insulated copper pipe combines durable copper tubing with factory-applied insulation to provide a ready-to-install refrigerant line that supports efficient system operation:
Liquid Line Diameter: 1/4″
Suction Line Diameter: 3/8″
Run Length: 82 ft (25 meters)
Pre-insulated with high-density protective foam
Flexible and easy to route during installation
Designed for applications requiring extended refrigerant runs, this line set enhances cooling and heating efficiency while minimizing energy loss.
Technical Specifications – Designed for Efficiency & Durability
Premium Copper Refrigerant Tubing
Constructed from 99.9% pure seamless copper
Uniform wall thickness for consistent pressure handling
Excellent thermal conductivity for efficient refrigerant flow
Corrosion-resistant for extended service life
Copper tubing is the industry standard for HVAC systems due to its strength and thermal performance.
Factory-Applied Insulation Features
High-density insulation jacket reduces thermal loss
Moisture-resistant foam prevents condensation
UV and weather-resistant outer cover
Supports consistent performance across climates
Pre-insulated copper lines help maintain refrigerant temperature and protect against environmental exposure.
Features of pipe insulation tubing:
![White PE Embossed insulated pipe]( "insulated pipe")
Key Benefits of This Insulated Copper Pipe
Enhanced Energy Efficiency
The insulated design reduces heat exchange with ambient air, improving system performance and lowering overall operating costs.
Improved Moisture Protection
Pre-insulation helps prevent condensation buildup on line surfaces, reducing potential water damage and corrosion risks.
Easy Installation & Labor Savings
Factory-applied insulation eliminates the need for additional wrapping, saving installation time and reducing labor costs on every job.
Applications – Where This Copper Pipe Is Used
This 82 ft insulated copper pipe is suitable for:
Split air conditioner installations
Mini split and ductless HVAC systems
Heat pump refrigerant lines
Residential and light commercial HVAC setups
Retrofit and replacement line projects
Perfect for HVAC contractors, technicians, and experienced DIY installers alike.
HVAC Installation Best Practices
For optimal performance and reliability:
Measure total line run before making cuts.
Avoid sharp bends or kinks to maintain unrestricted refrigerant flow.
Ensure continuous insulation coverage for thermal integrity.
Use proper flaring and sealing tools for leak-proof joints.
Following these best practices helps enhance system efficiency and minimize future maintenance.
![White PE copper line set]( "Copper Line Set")
AC Line Set
Size | Length | Insulation White PE | Flame Resistant |
1/4+3/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+1/2 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/4+5/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+5/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+3/4 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
1/2+3/4 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
3/8+7/8 | 15m/20m/25m/30m/50m | 8mm/9mm/10mm/13mm/19mm/25.4mm | M1/B1 |
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 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 pipe 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 AC line set 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 AC line set used for 54K and 72K split air conditioner installation.
3/8 + 7/8 Insulated copper pipe apply for 72K - 96K ductless mini split air conditioner.
Why Choose AC Line Set from DABUND PIPE
We are manufacturer of AC Line Set 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
![Factory Profile]( "Factory Profile")
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
![证书]( "证书")
Exhibition
We join the exhibitions all over the word, just to facilitate customers to experience our mini split line set face to face.
![TRADE SHOW PARTICIPATION]( "TRADE SHOW PARTICIPATION")
FAQ
1.Q:What is your payment terms?
A:TT,L/C AT SIGHT,CREDIT CARD etc
2.Q:What is your delivery terms?
A:EXW, FOB, CFR, CIF etc
3.Q:Are you trading company or manufacturer?
A:Manufacturer
4.Q:May I get a sample?
A:Yes, we can send you 3pieces free samples.
You just charge for the express cost is ok.
5.Q:Can I print my logo?
A:Yes of cause, we accept OEM and ODM.
6.Q:How long is your delivery time?
A:Usually 15-20days, if urgent, we can arrange to do in advance and delivery fast.
7.Is this 82 ft insulated copper pipe compatible with all refrigerants?
Yes — this insulated copper tubing is compatible with common HVAC refrigerants such as R410A, R32, and R22. Always check equipment specifications before installation.
8.Can the pipe be cut to fit custom lengths?
Yes — the copper tubing can be trimmed to meet required installation lengths. After cutting, ensure flares are properly made and sealed for reliable system operation.
9.Does this pipe need additional insulation?
No — the factory-applied insulation is designed to meet most HVAC installation requirements and does not require extra wrapping for typical use cases.
