Choosing the right small mini split AC can transform your living space by providing effective cooling and heating without the need for bulky duct systems. We have selected top-rated mini split air conditioners that are energy-efficient, cover various room sizes up to 750 sq. ft., and include advanced features like inverter technology and WiFi control. Below is a summary table of the best mini split ACs for small spaces to help you compare at a glance.
| Model | BTU | Coverage Area | Features | Amazon Link |
|---|---|---|---|---|
| COSTWAY 12000BTU Mini Split | 12000 | Up to 750 sq. ft. | Energy efficient inverter, 5 modes, quiet operation | View on Amazon |
| ROVSUN 9000 BTU Wifi Enabled Mini Split | 9000 | Up to 400 sq. ft. | Wifi control, inverter tech, whisper-quiet operation | View on Amazon |
| Oylus 12000 BTU Mini Split AC/Heating | 12000 | Up to 750 sq. ft. | Efficient heat pump, 19 SEER2, ECO mode | View on Amazon |
| MilleLoom 12000 BTU Mini Split AC | 12000 | Up to 1500 sq. ft. | WiFi enabled, 22 SEER2, multiple modes & smart functions | View on Amazon |
| Manastin 12000BTU Mini Split AC & Heater | 12000 | Up to 750 sq. ft. | R32 refrigerant, inverter tech, versatile modes | View on Amazon |
Content Navigation
- COSTWAY 12000BTU Mini Split Air Conditioner & Heater
- ROVSUN 9000 BTU Wifi Enabled Mini Split Air Conditioner & Heater
- Oylus 12000 BTU Mini Split Air Conditioner with Heat Pump
- MilleLoom 12000 BTU Mini Split AC with WiFi
- Manastin 12000BTU Mini Split Air Conditioner & Heater
- Buying Guide for Small Mini Split Air Conditioners
COSTWAY 12000BTU Mini Split Air Conditioner & Heater
The COSTWAY 12000BTU Mini Split AC is an energy-efficient ductless system designed for cooling and heating rooms up to 750 sq. ft. It features a high power compressor and a 1-ton heat pump, certified by AHRI, for reliable year-round comfort.
This unit uses advanced inverter technology, which adjusts compressor frequency to reduce power consumption and extend the unit’s lifespan. It includes five operation modes—auto, cool, dry, heat, and fan—with four fan speeds and additional settings like sleep, ECO, iFEEL, and turbo mode for personalized climate control.
A remote control allows for easy adjustments, and the AC operates quietly with a timer option from 0.5 to 24 hours. An auto-off display feature ensures minimal disturbance during sleep, making it ideal for bedrooms and living spaces.
ROVSUN 9000 BTU Wifi Enabled Mini Split Air Conditioner & Heater
The ROVSUN 9000 BTU Wifi Enabled Mini Split AC provides powerful cooling and heating for spaces up to 400 sq. ft. Its heat pump and dehumidification function meet diverse climate needs throughout the year.
Thanks to advanced inverter technology with a 19 SEER rating, this AC optimizes compressor speed to save energy, potentially reducing consumption by 35%. It operates ultra-quietly at 28 dB in mute mode, ensuring a peaceful indoor environment.
With wide temperature control from 61°F to 88°F, the ROVSUN is suitable for bedrooms, offices, and small living rooms. The WiFi and app control features enhance convenience and smart home integration.
Oylus 12000 BTU Mini Split Air Conditioner with Heat Pump
The Oylus Mini Split AC features 12,000 BTU cooling and 12,500 BTU heating capacity, ideal for rooms up to 750 square feet. It maintains energy efficiency with a 19 SEER2 rating and an HSPF2 heating performance of 8.5.
This ductless system incorporates a heat pump and inverter technology, reducing energy use up to 36% compared to traditional units. It supports multiple modes and fan speeds, including an Eco mode to minimize electricity consumption.
Users can adjust settings via a remote control with an easy-to-read LED display and a 24-hour timer. This mini split AC is built for comfort and energy savings, suitable for residential and light commercial settings.
MilleLoom 12000 BTU Mini Split AC with WiFi
MilleLoom’s mini split unit offers 22 SEER2 energy efficiency and functions as both an air conditioner and heater, suitable for spaces up to 1500 sq. ft. This unit is ETL and AHRI certified, ensuring solid performance and reliability.
The system provides five operating modes, including health mode with negative ion and electrostatic dust removal for improved indoor air quality. It supports WiFi and Google assistant integration for smart controls.
Its versatile climate control includes auto defrost, self-diagnosis, turbo mode, and a low-noise design. Operating in temperatures as low as -4°F and as high as 140°F, it is designed for various weather conditions.
Manastin 12000BTU Mini Split Air Conditioner & Heater
The Manastin 12000BTU mini split utilizes an innovative inverter system combined with a 1-ton heat pump, delivering efficient cooling and heating for homes up to 750 sq. ft. It uses environmentally friendly R32 refrigerant.
This model provides five operation modes with four fan speed options and includes convenience features such as a 24-hour timer, sleep mode, ECO mode, and a turbo boost for rapid temperature adjustments.
It balances comfort, energy savings, and eco-conscious design, suitable for year-round use in small to medium-sized rooms.
Buying Guide for Small Mini Split Air Conditioners
Cooling and Heating Capacity (BTU)
Select a mini split AC based on the square footage of your room. Models with 9000 to 12000 BTU can effectively cool and heat spaces from 400 to 750 sq. ft., suitable for bedrooms, small living rooms, or offices. Oversizing or undersizing may lead to inefficiency or insufficient comfort.
Energy Efficiency Ratings
Look for mini splits with high SEER2 (Seasonal Energy Efficiency Ratio) ratings and inverter technology, which modulates compressor speeds to save power and reduce wear. Units with ratings above 19 SEER2 usually offer significant energy cost savings.
Operational Modes and Features
Versatile modes such as cool, heat, dry, fan, and auto provide flexible climate control. Additional features like sleep mode, turbo boost, Eco mode, and dehumidification enhance comfort and energy efficiency.
Noise Levels
Whisper-quiet operation (around 28 dB) is beneficial for bedrooms and workspaces to avoid disruption. Check product specifications for noise ratings to ensure a quiet indoor environment.
Smart Controls and Connectivity
WiFi-enabled units that integrate with smart home systems (Google Assistant, Alexa) allow convenient remote adjustments via mobile apps or voice commands, increasing ease of use.
Installation and Coverage
Complete installation kits simplify setup. Confirm that the kit includes necessary piping and components and verify the recommended room size to ensure adequate coverage. Some models cover up to 1500 sq. ft. for larger spaces with a compact unit.
Environmental Impact
Consider models using R32 refrigerant, which is more eco-friendly compared to older refrigerants. This reduces your environmental footprint while maintaining cooling efficiency.
Durability and Warranty
Opt for AHRI or ETL certified products to guarantee performance standards. Review warranty terms to ensure protection against defects and long-term reliability.