For homeowners and DIY enthusiasts looking to install an efficient mini split system without hiring professionals, there are several options available that combine ease of installation with advanced features. These DIY mini split units come pre-charged with refrigerant lines, smart controls, and energy-efficient compressor technologies. Below is a summary of some of the best DIY mini splits on Amazon, including their capacity, smart control capabilities, and installation ease to help you choose the ideal system for your space.
| Product Name | BTU Capacity | Smart Controls | Installation Kit Included | Ideal Coverage Area |
|---|---|---|---|---|
| Klimaire DIY 12,000 BTU Mini Split | 12,000 BTU | App and Voice (Alexa, Google Home) | Yes, 25 ft Pre-Charged Lineset | Small to Medium Rooms |
| MRCOOL Easy Pro 18,000 BTU | 18,000 BTU | WiFi Control | Yes, 5th Gen DIY Kit | Up to 800 Sq Ft |
| YITAHOME 18,000 BTU Mini Split | 18,000 BTU | WiFi, Alexa Compatible | Yes, Complete Kit | Up to 1250 Sq Ft |
| MRCOOL Easy Pro 24,000 BTU Mini Split | 24,000 BTU | WiFi Enabled | Yes, 16 ft Lineset Included | Up to 1200 Sq Ft |
| YITAHOME 24,000 BTU Mini Split System | 24,000 BTU | WiFi, Alexa Compatible | Yes, Full Installation Kit | Up to 1500 Sq Ft |
Content Navigation
- Klimaire DIY 12,000 BTU Mini Split Heat Pump Air Conditioner
- MRCOOL Easy Pro 18,000 BTU DIY Mini-Split Air Conditioner Heat Pump
- YITAHOME 18,000 BTU Mini Split Air Conditioner Heat Pump System
- MRCOOL Easy Pro 24,000 BTU DIY Mini Split Heat Pump System
- YITAHOME 24,000 BTU Mini Split Air Conditioner Heat Pump System
- Buying Guide for Do-It-Yourself Mini Split Systems
Klimaire DIY 12,000 BTU Mini Split Heat Pump Air Conditioner

The Klimaire Do-It-Yourself Mini Split is designed for fast and simple installation without the need for vacuuming or specialized tools, supported by a 25-foot pre-charged installation kit. Its plug-and-play communication cable makes setup accessible for non-professionals without voiding warranties. Smart integration with Alexa and Google Home via the Smart Life App offers remote temperature and mode adjustments, ideal for temperature control on-the-go.
This model performs reliably across various climates with corrosion-resistant Goldish Fin coils. It provides efficient heating down to -13°F and cooling as low as 5°F, backed by a solid 5-year parts and 7-year compressor warranty. Overall, it suits small to medium-sized rooms requiring dependable year-round climate control.
MRCOOL Easy Pro 18,000 BTU DIY Mini-Split Air Conditioner Heat Pump

The MRCOOL Easy Pro 18,000 BTU mini split offers a powerful solution for heating and cooling spaces up to 800 square feet. This 230-volt system promotes an easy DIY installation with an updated 5th generation kit designed to minimize mess and reduce overall installation costs. Its inverter technology enables efficient climate control while operating quietly to maintain comfortable ambient noise levels.
This unit is ideal for users seeking a blend of capacity and quiet operation, supporting modern smart controls to customize performance easily in residential or small commercial spaces.
YITAHOME 18,000 BTU Mini Split Air Conditioner Heat Pump System

The YITAHOME 18,000 BTU Mini Split offers WiFi-enabled smart control and Alexa compatibility, giving users flexibility to operate modes such as auto, cool, dry, heat, and fan with remote convenience. Covering up to 1250 square feet, this system is suited for bedrooms, living rooms, garages, and even RVs.
Equipped with ETL and AHRI certification, a high-power compressor, and inverter technology, this mini split achieves up to 25% energy savings. It also features quiet operation below 47 decibels, sleep mode, energy-saving mode, and health air purification functionalities including PM2.5 removal for enhanced indoor air quality.
MRCOOL Easy Pro 24,000 BTU DIY Mini Split Heat Pump System

The MRCOOL Easy Pro 24,000 BTU Mini Split stands out with its high energy efficiency, boasting an impressive 18.9-20.2 SEER2 rating. It supports spaces up to 1200 square feet, such as large game rooms, garages, or sunrooms, offering both cooling and heating thanks to its heat pump technology coupled with an 11.2 HSPF2 rating.
This robust system includes a corrosion-resistant Gold Fin condenser coating to enhance durability and maintain heat transfer efficiency. The 16-foot lineset installation kit supports DIY setup, while its smart functionality allows users to stay comfortable year-round with versatile operation.
YITAHOME 24,000 BTU Mini Split Air Conditioner Heat Pump System

The YITAHOME 24,000 BTU Mini Split features a high-powered, energy-saving compressor paired with an inverter system that cuts energy consumption by up to 25%. Covering up to 1500 square feet, this system is suitable for larger living spaces including garages and basements.
This unit offers five operating modes plus four fan speeds, along with WiFi and Alexa compatibility for versatile control from anywhere. Additional features include automatic defrost, a self-cleaning function up to 135°F, and health modes with negative ion and dust removal technologies. Its quiet operation under 50 dB supports peaceful environments.
Buying Guide for Do-It-Yourself Mini Split Systems
Selecting the right DIY mini split system involves evaluating several key factors to ensure it matches your installation capabilities and home comfort needs.
Installation Convenience
Look for units that come with pre-charged refrigerant linesets and plug-and-play wiring to simplify setup. Systems designed for self-installation eliminate the need for vacuum pumps or specialized tools, thus reducing the total cost and complexity.
BTU Capacity and Coverage Area
Choose a unit with BTU capacity that aligns with your room size. Smaller rooms (~12,000 BTU) differ significantly from larger spaces that require 18,000 to 24,000 BTU capacity. Oversizing or undersizing can affect system efficiency and comfort.
Energy Efficiency and Ratings
Check for SEER or SEER2 ratings (Seasonal Energy Efficiency Ratio) which indicate energy performance; higher ratings mean better efficiency. Inverter technology also enhances efficiency by adjusting compressor speed as needed.
Smart Controls and Connectivity
Many models offer WiFi control, smartphone app integration, and compatibility with voice assistants like Alexa and Google Home, allowing remote adjustments and scheduling. These features add convenience and can help optimize energy use.
Climate and Performance Range
Consider how your climate affects system performance. Some mini splits operate effectively in extreme cold (as low as -13°F) or heat, useful for year-round comfort.
Noise Levels
Lower decibel ratings mean quieter operation—important for bedrooms, offices, or quiet zones. Most mini splits operate between 40 to 50 dB, but quieter units may be preferable in noise-sensitive spaces.
Warranty and Support
A good warranty on parts and the compressor can provide peace of mind. Review the coverage period and whether DIY installation affects the warranty status.
By weighing these considerations, you can select a DIY mini split system that balances installation ease, efficient heating and cooling, smart features, and reliability tailored to your home or workspace.