Installing a mini split system yourself is becoming increasingly popular due to the convenience and cost savings it offers. Whether you’re upgrading your home’s cooling or heating system or adding comfort to a specific space, selecting the right DIY mini split kit matters. Below is a summary table highlighting some of the best mini split DIY kits and accessories available on Amazon, making it easier to compare key features at a glance.
| Product Name | Brand | BTU Capacity | Key Features | Amazon Link |
|---|---|---|---|---|
| Klimaire Do-it-Yourself 12,000 BTU 19 SEER2 Mini Split Heat Pump | Klimaire | 12,000 BTU | Quick DIY Setup, Smart App Control, Corrosion-Resistant Coils | View on Amazon |
| Pioneer Diamante Series Ductless Mini-Split Air Conditioner | Pioneer | 12,000 BTU | High Efficiency, Cooling & Heating, 20 SEER, 10 HSPF | View on Amazon |
| MrCool Easy Pro 12k BTU 19.5 SEER2 Ductless Heat Pump Split System | MRCOOL | 12,000 BTU | High SEER2 Rating, Heat Pump, Gold Fin Coating, DIY Kit | View on Amazon |
| HVAC Guys Complete Mini Split Cleaning Kit | Leak Saver | N/A | All-in-One Cleaning Kit, 360° Coverage Bag, Spray Nozzle | View on Amazon |
| SMOQIO Mini Split Line Set Cover 3 Inch 10Ft PVC Kit | SMOQIO | N/A | Weather Protection, Easy Assembly, Decorative and Paintable | View on Amazon |
Content Navigation
- Klimaire Do-It-Yourself 12,000 BTU Mini Split Heat Pump
- Pioneer Diamante Series 12,000 BTU Ductless Mini-Split Heat Pump
- MrCool Easy Pro 12k BTU 19.5 SEER2 Ductless Heat Pump Split System
- HVAC Guys Complete Mini Split Cleaning Kit
- SMOQIO Mini Split Line Set Cover 3 Inch 10 Ft PVC Kit
- Buying Guide for Mini Split DIY Kits
Klimaire Do-It-Yourself 12,000 BTU Mini Split Heat Pump

The Klimaire 12,000 BTU DIY Mini Split Heat Pump offers a streamlined installation experience with its 25-ft pre-charged installation kit and plug-and-play communication cables. This innovative design eliminates the need for specialized tools, vacuuming, or hiring a technician, helping you set it up efficiently without voiding the warranty.
Its smart system control enables temperature adjustments via the Smart Life App or voice commands with Alexa and Google Home. Additionally, it’s crafted with corrosion-resistant Goldish Fin coils, allowing for reliable heating down to -13°F and cooling down to 5°F. The system is backed by a 5-year parts and 7-year compressor warranty, ensuring durability and dependable year-round performance.
Pioneer Diamante Series 12,000 BTU Ductless Mini-Split Heat Pump

The Pioneer Diamante Series is a high-efficiency ductless mini-split system that features a 12,000 BTU capacity and impressive 20 SEER and 10 HSPF ratings for energy-efficient cooling and heating. Suitable for both residential and light commercial spaces, it’s designed to function effectively in low-ambient environments.
The series offers a full spectrum of capacities from 9,000 to 36,000 BTU to cater to diverse applications, delivering robust comfort while maintaining energy savings. The inverter heat pump technology ensures precise temperature control for year-round usage.
MrCool Easy Pro 12k BTU 19.5 SEER2 Ductless Heat Pump Split System

The MRCOOL Easy Pro 12k BTU Mini Split boasts an outstanding SEER2 rating between 18.9 and 20.2 and is designed to cool or heat spaces up to 1,200 square feet. Its heat pump system has an 11.2 HSPF2 rating, enabling efficient year-round climate control.
This kit includes a 16-foot line set and features a Gold Fin condenser coating for enhanced corrosion resistance and improved heat transfer efficiency. Its DIY design simplifies installation while delivering superior durability and reliable operation.
HVAC Guys Complete Mini Split Cleaning Kit

Proper maintenance is crucial for mini split systems. The HVAC Guys Complete Mini Split Cleaning Kit includes all necessary tools for deep cleaning your evaporator coil. It features a patented 360-degree coverage cleaning bag, foam blaster coil cleaner, and a variety of spray nozzles and wands for thorough cleaning.
This kit is universally compatible with all ductless mini split systems and comes with a 17-piece garden hose adapter set for easy water connection. The cover prevents overspray, making cleaning less messy and extending the unit’s efficiency and lifespan.
SMOQIO Mini Split Line Set Cover 3 Inch 10 Ft PVC Kit

The SMOQIO Line Set Cover is a practical accessory that protects mini split copper pipes from UV rays, weather damage, corrosion, and rodents. Its easy-to-install two-piece design works with both new and pre-installed linesets and includes comprehensive instructions.
Besides protection, it enhances the visual appeal by concealing pipes neatly on exterior walls. The paintable PVC material allows seamless matching with your home’s color scheme and helps extend your mini split system’s operational life.
Buying Guide for Mini Split DIY Kits
Choosing the right mini split DIY kit requires consideration of several factors to ensure your installation is successful and the system performs optimally:
- Capacity and Space Size: Calculate the cooling and heating needs based on the size of the area. Typical DIY kits range from 9,000 to 12,000 BTU, suitable for small to medium rooms.
- Ease of Installation: Look for kits featuring pre-charged lines, plug-and-play communication cables, and detailed instructions to minimize technical difficulties and avoid the need for specialized vacuum tools.
- Energy Efficiency: Consider SEER and HSPF ratings for cooling and heating efficiency. Higher ratings usually mean lower energy bills.
- Smart Controls and Compatibility: Many models offer app controls and voice assistant integration, enhancing convenience and comfort management.
- Durability Features: Protective coatings on coils and condensers, weather-resistant materials, and warranty coverage are essential for long-term reliability.
- Additional Accessories: Don’t overlook helpful add-ons such as cleaning kits and lineset covers to maintain efficiency and protect your investment.
- Warranty and Support: Check warranty periods and manufacturer support policies to ensure you will have assistance if needed.
By assessing these aspects, you can select a mini split DIY kit tailored to your installation skills and comfort requirements, balancing both convenience and efficiency.