Mini split systems are ideal for cooling and heating smaller spaces while offering energy efficiency and quiet operation. Below is a summary of the top 5 smallest mini split systems available, designed to provide comfort in compact areas with smart features and easy installation.
| Product | BTU | Coverage Area | Energy Efficiency | Smart Features |
|---|---|---|---|---|
| Hykolity 9,000 BTU Mini Split | 9,000 BTU | Up to 450 Sq.Ft | 19 SEER2, 8.5 HSPF2 | WiFi Control, Multiple Modes, 24-Hour Timer |
| Zstar 9,000 BTU Mini Split AC | 9,000 BTU | Up to 450 Sq.Ft | 19 SEER2 | WiFi & Remote Control, Alexa/Google Assistant Compatible |
| ROVSUN 9,000 BTU Mini Split | 9,000 BTU | Up to 400 Sq.Ft | 19 SEER | Remote Control, Turbo Mode, Sleep Mode |
| YITAHOME 9,000 BTU Mini Split | 9,000 BTU | Up to 450 Sq.Ft | 19 SEER2 | WiFi Enabled, Alexa Compatible, Health Mode |
| Manastin 12,000 BTU Mini Split | 12,000 BTU | Up to 750 Sq.Ft | 17 SEER2 | Multiple Modes, 24-Hour Timer, Turbo & ECO Mode |
Hykolity Wifi Enabled 9,000 BTU Mini Split Air Conditioner & Heater
The Hykolity 9,000 BTU mini split system is built for efficient cooling and heating in rooms up to 450 square feet. Featuring a robust compressor and a 0.75 ton heat pump, it maintains temperatures between 61℉ and 88℉. The system boasts a high 19 SEER2 and 8.5 HSPF2 rating, ensuring energy savings of up to 30% through advanced variable frequency technology. Additional features include an automatic defrost function to prevent icing and extend lifespan.
Users can enjoy whisper-quiet operation combined with WiFi control for remote access. This model offers versatile comfort with 4D airflow, “I Feel” mode to sense room temperature, 24-hour timer, and sleep mode. Multiple functional modes such as eco-friendly, energy-saving, turbo for quick cooling/heating, and auto mode make it highly adaptable to different environments.
Zstar 9,000 BTU Mini Split AC With Smart Control
The Zstar 9,000 BTU mini split air conditioner delivers powerful cooling and heating performance in areas up to 450 square feet. It is engineered to operate efficiently during extreme weather, withstanding summer highs of 131℉ and winter lows below -13℉.
This unit features a 19 SEER2 rating and advanced inverter technology that can reduce electricity consumption by up to 43%. It supports WiFi connectivity and works with Alexa and Google Assistant for hands-free control using a mobile app or remote control. The system offers multiple operating modes and quiet functionality for any season.
ROVSUN 9,000 BTU Mini Split AC with Inverter and Heat Pump
The ROVSUN 9,000 BTU mini split is designed to cool rooms up to 400 square feet efficiently with its inverter technology for rapid temperature adjustment. Its 19 SEER rating and AHRI certification underscore its energy-saving credentials, supported by a high-quality compressor for long-lasting durability.
Controls are managed easily via remote, featuring fan speed selection, ECO mode, turbo mode, sleep mode, and a 24-hour timer. This system suits a variety of rooms including bedrooms, offices, or small living spaces with quiet and effective performance.
YITAHOME 9,000 BTU Mini Split Air Conditioner Heat Pump System
This YITAHOME 9,000 BTU mini split system is AHRI and ETL certified, providing energy-efficient cooling and heating for up to 450 square feet. It incorporates advanced inverter technology that delivers 25% energy savings, a high-power compressor for strong airflow, and a heat pump suitable for year-round use.
The unit supports five operation modes including auto, cool, dry, heat, and fan. Its smart features include WiFi control compatible with Alexa, “Health” mode for air purification (negative ions, dust, PM2.5 removal), and ultra-quiet operation below 41dB. The 4D air circulation ensures even temperature distribution throughout the room.
Manastin 12,000 BTU Mini Split Air Conditioner & Heater
The Manastin 12,000 BTU mini split system is suitable for slightly larger spaces up to 750 square feet. It cools rooms rapidly—within 30 seconds—and heats within a minute. It uses eco-friendly R32 refrigerant paired with a 17 SEER2 rating, prioritizing energy efficiency and minimizing environmental impact.
This model offers multiple operating modes, including turbo, ECO, sleep, and silent mode, allowing users to select the best comfort level. The included complete installation kit simplifies setup, and fan speeds are adjustable to fit room conditions and preferences.
Buying Guide for the Best Smallest Mini Split Systems
When choosing the best smallest mini split air conditioner and heating system, consider several key factors to ensure the unit meets your requirements for space, efficiency, and control.
1. Cooling and Heating Capacity (BTU)
BTU (British Thermal Unit) capacity determines how effectively the system can regulate temperatures in your space. For small to medium rooms, units with 9,000 to 12,000 BTU are commonly ideal. Ensure the chosen capacity matches your room’s square footage for optimal performance.
2. Energy Efficiency Ratings (SEER and HSPF)
Look for systems with high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) values. Models with SEER ratings of 17 or above and HSPF around 8.5 offer lower energy consumption and potential savings on electric bills.
3. Installation and Kit Completeness
Check if the mini split comes with a complete installation kit including copper lines, communication wires, and drainage pipes. While some units allow DIY installation, professional installation is recommended for larger BTU systems to ensure safety and warranty compliance.
4. Smart Features and Controls
Modern mini split systems feature WiFi connectivity, allowing you to operate the unit remotely via smartphone apps. Voice control compatibility with Alexa or Google Assistant enhances convenience. Additional functions like timers, sleep modes, and energy-saving modes optimize comfort and power usage.
5. Noise Levels and Air Distribution
Consider the operating noise, especially for bedrooms or offices. Many systems offer quiet operation below 45dB with advanced airflow technology distributing air evenly to avoid hot or cold spots.
6. Refrigerant Type and Environmental Impact
Eco-friendly refrigerants like R32 are preferable because they lower greenhouse gas emissions. Confirm the refrigerant specification to ensure sustainability and compliance with local regulations.
By comparing these aspects, you can select the smallest mini split system best suited for your room size, energy goals, and lifestyle preferences.