Choosing the right 1.5 ton mini split air conditioner can maximize comfort in medium-sized spaces while optimizing energy efficiency. Mini split systems offer versatile heating and cooling without the need for ductwork, ideal for homes and small businesses. Below is a concise summary of top-rated 1.5 ton mini split AC units available on Amazon, integrating smart features, inverter technology, and varied coverage areas.
| Product | Cooling Capacity | Coverage Area | SEER Rating | Smart Features |
|---|---|---|---|---|
| DELLA Vario Series | 18000 BTU | Up to 1000 Sq.Ft | 19 SEER2 | WiFi, Alexa |
| Senville LETO Series | 18000 BTU | Varies | 19 SEER2 | Alexa Enabled |
| TABU 18000BTU Mini Split | 18000 BTU | Up to 1250 Sq.Ft | 21 SEER2 | WiFi, Alexa |
| Magshion 18000 BTU Mini Split | 18000 BTU | Up to 1000 Sq.Ft | 22 SEER2 | WiFi, Voice Control |
| SIMOE Mini Split AC | 18000 BTU | Up to 1250 Sq.Ft | 21 SEER2 | Remote Control |
Content Navigation
- DELLA Vario Series 18000 BTU Wifi Mini Split AC
- Senville LETO Series Mini Split Air Conditioner Heat Pump
- TABU 18000BTU Mini Split Air Conditioner with Heat Pump
- Magshion 18000 BTU Mini Split AC with Heat Pump
- SIMOE Mini Split Air Conditioner 18000BTU 21SEER2
- Buying Guide for 1.5 Ton Mini Split Air Conditioners
DELLA Vario Series 18000 BTU Wifi Mini Split AC

The DELLA Vario Series is a robust 18000 BTU mini split air conditioner boasting a 19 SEER2 rating and pre-charged system allowing up to 30% power savings. It operates effectively in environments down to -4°F and comfortably covers spaces up to 1000 square feet. The unit includes a comprehensive installation kit with copper piping and Drain length of 78.7 inches for flexibility.
It features 4D airflow (adjustable up/down and left/right vents), multiple fan speeds, and smart modes including sleep, eco-energy saving, turbo, and timer. The 1.5 ton heat pump supports heating and cooling, while the maximum fuse size is 20A. This system integrates with Alexa for convenient voice control.
Senville LETO Series Mini Split Air Conditioner Heat Pump

The Senville LETO Series delivers an all-season 4-in-1 solution including air conditioning, heating (operational down to 5°F), dehumidifying, and fan modes. It uses a UL Listed, AHRI Certified DC inverter and supports Alexa for smart home integration and remote control, enhancing convenience and scheduling abilities.
Its stylish white design suits various environments including homes, stores, and offices. The 18000 BTU capacity is ideal for medium spaces, and the inverter technology ensures efficient operation with consistent temperature maintenance.
TABU 18000BTU Mini Split Air Conditioner with Heat Pump

The TABU 18000 BTU Mini Split excels with a 21 SEER2 rating and supports multi-function use: cooling, heating, dehumidifying, and fan modes. Coverage extends to 1250 square feet, providing efficient climate control throughout larger rooms.
It features a rapid cooling and heating function, reaching desired temperatures quickly—30 seconds for cooling and 60 seconds for heating. Pre-charged for convenience, it includes an installation kit and supports Alexa for smart operation and app control.
Magshion 18000 BTU Mini Split AC with Heat Pump

The Magshion Mini Split boasts an advanced 22 SEER2 inverter compressor for exceptional energy savings and high airflow. It is pre-charged and requires professional installation, delivering powerful cooling and heating across a range of 61°F to 88°F, suitable for year-round comfort.
This system handles rooms up to 1000 square feet, integrates WiFi connectivity, and supports voice control for convenient operation. Note that the package does not include a signal cable and requires technical installation steps.
SIMOE Mini Split Air Conditioner 18000BTU 21SEER2

The SIMOE Mini Split provides high efficiency with a 21 SEER2 rating and Energy Star certification. It covers up to 1250 square feet with a 1.5 ton heat pump, featuring a quiet operation (30–46 dB) and turbo inverter mode. The unit offers 4D airflow control and multiple user-friendly modes for tailored comfort.
Included installation parts, copper tubing, and remote control contribute to easy setup and operation. The system supports 24-hour timer scheduling and energy-saving modes that optimize performance while reducing noise levels.
Buying Guide for 1.5 Ton Mini Split Air Conditioners
Cooling and Heating Capacity
Ensure the mini split unit has at least 18000 BTU capacity, fitting typical 1.5 ton classification. Verify the square footage coverage to match your room size, generally between 800 to 1250 square feet for this tonnage.
Energy Efficiency
Look for units with high SEER2 ratings (19 and above) and Energy Star certification to reduce operational costs. Modern inverter compressors improve efficiency by adjusting speed to maintain temperature.
Smart Features and Controls
Integration with WiFi, Alexa, or voice assistants provides easy remote control and scheduling. Features like timers, multiple fan speeds, and sleep modes enhance convenience and comfort.
Installation Considerations
Most mini splits require professional installation, involving refrigerant line connection and vacuuming. Check included installation kits for copper piping lengths and drainage compatibility. Avoid units that void warranties if self-installed.
Heating Performance in Cold Climates
If you live in colder regions, select models with hyper heat capabilities or that operate effectively at sub-zero temperatures (e.g., down to -13°F). This ensures reliable warmth in winter.
Noise Levels
Use units with low decibel ratings (30-46 dB) for indoor comfort, especially if installed in bedrooms or quiet environments.
Environmental Impact
Some mini splits use newer refrigerants like R32, which have lower environmental impact compared to older types. Check refrigerant type if eco-friendliness is a priority.
By carefully evaluating these factors, you can choose a 1.5 ton mini split inverter air conditioner that best suits your home or office needs while delivering efficient year-round climate control.