Choosing the right mini split extension lines is essential for extending your air conditioning or heating system without compromising performance. These copper tubing pipe extensions are designed to withstand high pressure, temperature, and outdoor conditions, while providing excellent insulation. Below is a summary table of top products to help you compare key features and lengths, making it easier to select the perfect fit for your mini split system.
| Product Name | Length | Copper Tube Size | Insulation | Brand |
|---|---|---|---|---|
| 13 Ft Mini Split Line Set | 13 Feet | 1/4″ & 3/8″ | Thickened PE with triple layer insulation | HOXHA |
| 50FT Air Conditioning Tubing Hose Extension | 50 Feet | 1/4″ & 3/8″ | Thickened insulation cotton | findmall |
| 33 Ft Mini Split Line Set | 33 Feet | 1/4″ & 3/8″ | PE Thickened Insulation | TADERUILY |
| 25 Ft Mini Split Line Set with 1/4″ & 1/2″ | 25 Feet | 1/4″ & 1/2″ | PE Thickened Insulation | TADERUILY |
| HANSUM Mini Split Drain Hose 25FT | 25 Feet | 5/8″ ID (Drain Hose) | Weather-resistant with carbon layer | HANSUM |
13 Ft Mini Split Line Set by HOXHA
This HOXHA 13-foot extension line is constructed from high-quality copper tubing with wall thicknesses of 0.65mm (for 1/4″ and 3/8″ tubes) and 0.7mm (for 1/2″ tubes). It features a fire retardant insulation layer that resists high pressure and temperatures, making it suitable for mini split air conditioners rated around 9000BTU. The universal sizes of 1/4″ and 3/8″ copper pipes fit most systems. Protection is enhanced by a triple-layer insulated cotton design, combining embossed polyethylene film, weather-resistant foam, and thickened insulating cotton for long-lasting durability and energy efficiency.
50FT Air Conditioning Tubing Hose Extension by findmall
The findmall 50-foot extension offers plenty of length for large installations or longer runs, featuring copper tubing with diameters of 1/4″ and 3/8″. The copper material boasts excellent toughness and durability for extended use. Its thickened insulation cotton better protects the internal tubing, reducing thermal loss and damage risks. This line set is optimized for temperature conditions below 80 degrees Celsius, ensuring reliable operation specifically for mini split air conditioners. The comprehensive length and strong material design cater to both residential and commercial HVAC needs.
33 Ft Mini Split Line Set by TADERUILY
The TADERUILY 33-foot copper tubing line set supports high and low pressure twin lines without leaks. The copper tubes have outer diameters of 1/4″ and 3/8″, standard sizes compatible with most mini split air conditioners and heat pump systems. Featuring thickened PE insulation, this line set is designed for durability and thermal efficiency. Its length facilitates installation flexibility for ductless mini split units in various residential or light commercial settings.
25 Ft Mini Split Line Set with 1/4″ & 1/2″ Tubing by TADERUILY
This TADERUILY line set features 25 feet of copper tubing designed for mini split AC and heating units, with 1/4″ and 1/2″ outer diameter tubes. Built with PE thickened insulation for enhanced protection, this set supports air conditioners and heat pumps needing wider diameter tubing like 1/2″ for specific refrigerant flow needs. The twin line design resists leaks and handles pressure fluctuations common in HVAC systems. It’s a reliable option where a larger tube size is required for efficiency and capacity.
HANSUM Mini Split Drain Hose 25FT
Designed specifically for drainage rather than refrigerant lines, the HANSUM 25-foot flexible drain hose is compatible with mini splits featuring a 5/8 inch inner diameter connection. It includes a built-in carbon layer for resistance against all weather elements, allowing both indoor and outdoor use. This drain hose aids in removing condensation water safely from your unit. Suitable for those needing an extension for their AC’s water drainage system, it complements the refrigerant line sets for a complete mini split setup.
Buying Guide for Mini Split Extension Lines
When selecting mini split extension lines, several key factors ensure your purchase meets air conditioning or heating needs efficiently:
Length and Diameter Compatibility
Choose a length that covers the distance between your indoor and outdoor units with some extra for flexibility. Standard diameters are 1/4″ and 3/8″ for refrigerant lines; some systems may need 1/2″ depending on the BTU rating or manufacturer specifications.
Copper Tube Thickness and Quality
Thicker copper tubes (minimum around 0.6mm) offer better durability against pressure and potential damage. High-quality copper also reduces risk of leaks and corrosion over time.
Insulation Type and Thickness
Effective insulation preserves refrigerant temperature and prevents energy loss. Triple layer insulation systems based on polyethylene film, foam, and insulating cotton are ideal for weather resistance and thermal efficiency.
Pressure and Temperature Ratings
Ensure the line set is rated for the pressures of modern mini split systems, withstanding both high and low temperatures. This avoids leaks or failure during operation.
Installation and Compatibility
Look for pre-flared ends and included nuts for easier installation. Universal sizing is helpful for compatibility across brands, but always verify your unit’s tubing size before purchasing.
Drain Hose vs Refrigerant Lines
Recognize the difference between refrigerant tubing and drain hoses. Both may require extensions, but they serve distinct functions. Make sure to purchase the appropriate product for your specific system need.
By assessing these features along with your mini split system’s requirements, you can select the best extension line kit to ensure optimal functionality, durability, and energy efficiency for your air conditioning and heating setup.