If you’re looking for the best mini split AC cooling-only solutions for your home, office, or garage, you have plenty of reliable options. Mini split systems offer energy efficiency, quiet operation, and targeted cooling. In this guide, we’ll review top-rated models—including user-friendly WiFi-enabled systems—highlighting their key benefits and special features. Before diving into the product reviews, check out the comparison table below to get a quick overview of the selections featured in this article.
| Product | Brand | Cooling Capacity | Key Features | Coverage Area |
|---|---|---|---|---|
| COSTWAY 12000BTU Mini Split AC | COSTWAY | 12,000 BTU | Energy saving, 5 modes, quiet operation | Up to 750 sq. ft. |
| DELLA Vario 18000 BTU Wifi Mini Split | Della | 18,000 BTU | WiFi, Alexa, smart modes | Up to 1,000 sq. ft. |
| YITAHOME 12000 BTU Wifi Mini Split | YITAHOME | 12,000 BTU | WiFi, Alexa, multiple air modes, quiet | Up to 750 sq. ft. |
| YITAHOME 9000 BTU Wifi Mini Split | YITAHOME | 9,000 BTU | WiFi, Alexa, ultra-quiet, health mode | Up to 450 sq. ft. |
| DELLA Motto Series 18000 BTU Wifi Mini Split | Della | 18,000 BTU | WiFi, Alexa, eco energy, R32 refrigerant | Up to 1,000 sq. ft. |
COSTWAY 12000BTU Mini Split Air Conditioner For Medium Spaces
The COSTWAY 12000BTU Mini Split Air Conditioner & Heater delivers energy efficient cooling and heating for rooms up to 750 sq. ft.. This ductless system is AHRI certified and uses a high-powered compressor with an innovative inverter technology that maintains temperature while reducing power consumption and extending system lifespan.
It features five modes: auto, cool, dry, heat, and fan, accompanied by four fan speeds and special functions like ECO, turbo, sleep, and iFEEL modes. The remote-control system allows for easy adjustments and scheduling, supporting a 0.5–24 hour timer with low-noise operation—ideal for bedrooms, offices, and spaces where quiet is key.
Additionally, the display screen on the remote deactivates after inactivity, ensuring your sleep environment isn’t disturbed by light. This unit offers a robust solution for those seeking reliable temperature control with minimal disruption throughout the year.
- Energy efficient inverter for cost savings
- Cools and heats with 5 working modes
- 4 adjustable fan speeds plus ECO and sleep modes
- Remote control with auto screen-off function
- Quiet operation supports peaceful environments
DELLA Vario 18000 BTU WiFi Mini Split For Larger Areas
The DELLA Vario 18000 BTU Wifi Mini Split AC brings smart energy-efficient cooling and heating to areas as large as 1,000 sq. ft.. Capable of operating in harsher environments down to 5°F, it’s ETL listed and AHRI certified for quality assurance.
WiFi connectivity and Alexa compatibility provide convenient app-based and voice control from anywhere. The inverter system uses DC technology to reach up to 30% savings on energy compared to traditional models. Included are 4D airflow, an I feel mode (which adapts to your location in the room), 24-hour timer, sleep mode, eco energy saving, turbo function, and fan speed selections.
The included installation kit and compatibility with higher capacity ensure it’s ideal for living rooms, offices, or open-plan basements. The DELLA Vario stands out for those who need reliable, smart cooling and maximum area coverage.
- 18,000 BTU cooling/heating for up to 1,000 sq. ft.
- Smart WiFi and Alexa compatibility
- Inverter and DC technology for up to 30% energy savings
- Multiple system modes for custom comfort
- Complete installation kit included
YITAHOME 12000 BTU WiFi Mini Split For Smart Home Integration
The YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System is designed with smart home compatibility and ultra-quiet performance in mind. Its WiFi-enabled operations and Alexa compatibility make it ideal for users who want to integrate temperature control with their home automation setup.
Covering rooms up to 750 sq. ft., this mini split AC utilizes innovative inverter technology to save up to 25% on energy usage. Five operational modes—auto, cool, dry, heat, and fan—are complemented by specialized functions such as automatic defrost, self-cleaning, iFEEL mode, energy-saving mode, and a unique “HEALTH” mode (negative ions and PM2.5 removal).
Low operating sound (under 41 decibels) ensures it won’t disturb your home’s quiet spaces. The precision remote allows temperature settings between 60°F and 90°F, suitable for bedrooms, living rooms, garages, or offices.
- 12,000 BTU capacity for up to 750 sq. ft.
- WiFi-enabled and Alexa-ready control
- Health features: negative ions, electrostatic dust removal
- Five comfort modes and silent operation
- Advanced timer and sleep settings
YITAHOME 9000 BTU Mini Split For Smaller Rooms
For smaller spaces and flexibility, the YITAHOME 9000 BTU Mini Split AC delivers targeted cooling and quiet operation, ideally suited for rooms up to 450 sq. ft.. The system is ETL/AHRI certified and features an advanced inverter for energy savings up to 25%.
Operating modes include auto, cool, dry, heat, and fan, in addition to WiFi and Alexa support. Specialized performance features—like auto defrost, self-cleaning, iFEEL mode, 24-hour timer, and health functions for air purification—make it stand out as a premium choice for bedrooms and offices.
It runs at an ultra-quiet level (below 41 decibels), using vibration-dampening and 4D air circulation for consistent, comfortable temperature. This unit is for those seeking a highly efficient, health-conscious, and quiet cooling solution for compact areas.
- 9,000 BTU cooling for spaces up to 450 sq. ft.
- WiFi and Alexa-enabled for remote access
- Five personalized climate modes plus health air filtration
- Silent operation and advanced air distribution
- Precision control with temperature variability
DELLA Motto Series 18000 BTU WiFi Mini Split With Efficient Cooling
The DELLA Motto Series 18000 BTU Wifi Mini Split offers powerful cooling with advanced inverter tech to handle large areas up to 1,000 sq. ft.. With a 19 SEER2 rating and environmentally friendly R32 refrigerant, it supports sustainability and energy efficiency, boasting up to 30% energy savings over standard models.
Multiple operational modes—including 4D airflow, I feel mode, 24-hour programmable timer, sleep, eco energy saving, turbo, heating, cooling, dry, and auto—mean users can customize indoor climate to their precise needs year-round. WiFi and Alexa compatibility bring easy, voice-activated or app-based temperature control.
The provided installation kit includes copper lines and drain piping, supporting easier setup. Its reliability and comprehensive features make it suitable for those who want top-tier cooling and heating performance for larger, busy homes or open-plan workspaces.
- 18,000 BTU cooling and heating up to 1,000 sq. ft.
- 19 SEER2 efficiency and R32 eco-friendly refrigerant
- Multiple comfort and energy-saving modes
- WiFi and Alexa smart home compatibility
- Full installation hardware included
Mini Split AC Buying Guide
Choosing the best mini split AC cooling-only unit involves comparing a range of technical and practical considerations. Below is a guide to help you focus on the critical factors when selecting the ideal system for your needs:
Coverage Area & Sizing
Accurately assess the area you need to cool. Mini splits are rated by BTU (British Thermal Units), which correlates directly to the square footage they can handle. For example, 9,000 BTU systems generally cool up to 450 sq. ft., while 18,000 BTU units can serve areas as large as 1,000 sq. ft. Choosing the correct size ensures energy efficiency and temperature consistency.
Energy Efficiency
Look for energy ratings such as SEER2 (Seasonal Energy Efficiency Ratio). Higher SEER ratings mean lower energy consumption and cost savings. Advanced inverter technology, as found in the products above, dynamically adjusts compressor speed to maintain steady cooling, compared to the abrupt on/off cycles of older units, which saves electricity.
Smart Features & Controls
Modern mini split units increasingly feature WiFi and smart home integration. Compatibility with Alexa and Google Assistant, mobile app controls, and programmable timers offer added convenience. Features like “I feel” mode, which senses the temperature at the remote’s location, and multiple fan speeds add to comfort and energy optimization.
Noise Level
A key advantage of mini split systems is quiet operation. Consider models with advanced noise reduction (under 41 decibels is considered whisper-quiet) for bedrooms, nurseries, or office environments where peace is essential.
Health & Air Quality Enhancements
Some mini splits incorporate air purification features, such as negative ion generators, dust removal, and PM2.5 filters. These enhancements contribute to cleaner air and can benefit allergy or asthma sufferers.
Installation & Kit Components
Most systems come as a complete installation kit, but some require professional setup for warranty and optimal performance. Ensure your chosen unit contains appropriate copper lines, drain piping, mounting hardware, and a clear manual or installation guide.
Additional Features
- Multiple Operating Modes (cool, heat, fan, dry, auto)
- Customizable Fan Speeds and Directional Airflow
- Programmable Schedulers & Sleep Modes
- Dehumidification Capability
By carefully evaluating these aspects and comparing top systems, you can ensure long-term comfort, savings, and reliability from your mini split AC cooling-only investment.