Choosing the right mini split system for your basement is essential for maintaining a comfortable indoor climate year-round. Mini splits provide both cooling and heating while being energy-efficient and easy to install in spaces without ductwork. Below is a comparison of the top-rated ductless mini split systems suited for basements, covering a range of capacities and features to help you find the best fit for your space.
| Product | BTU Capacity | Energy Efficiency | Features |
|---|---|---|---|
| Pioneer Diamante Series Mini Split | 12,000 BTU | 20 SEER, 10 HSPF | Cooling/heating, low-ambient operation, inverter technology |
| MilleLoom 9000 BTU Mini Split AC | 9,000 BTU | 18.5 SEER2 | WiFi control, 5 modes, low noise, wide temperature range |
| Cooper & Hunter 24,000 BTU Mini Split | 24,000 BTU | 17 SEER | WiFi ready, smart port adapter, pre-charged, 16ft installation kit |
| YITAHOME 12,000 BTU Mini Split AC | 12,000 BTU | 20 SEER2 | Alexa compatible, 5 modes, quiet operation, WiFi enabled |
| COSTWAY 12,000 BTU Mini Split AC & Heater | 12,000 BTU | 20 SEER2 | 5 modes, inverter technology, sleep & ECO mode, remote control |
Content Navigation
- Pioneer Diamante Series Ductless Mini-Split Air Conditioner
- MilleLoom 9000 BTU Mini Split Air Conditioner with Wifi
- Cooper & Hunter 24,000 BTU Ductless Mini Split AC and Heat Pump
- YITAHOME 12,000 BTU Mini Split with Alexa and Wifi Support
- COSTWAY 12,000 BTU Wall Mounted Mini Split AC and Heater
- Buying Guide for Selecting the Best Mini Split for Your Basement
Pioneer Diamante Series Ductless Mini-Split Air Conditioner
The Pioneer Diamante Series offers a highly efficient 12,000 BTU mini split system with both cooling and heating capabilities. Its inverter heat pump technology achieves 20 SEER cooling efficiency and a 10 HSPF heating rating, providing reliable year-round comfort. This unit is especially versatile, operating well in low-ambient conditions which is perfect for basements that might face cooler environments. It supports capacities ranging from 9,000 to 36,000 BTU, suitable for various residential and light commercial uses. The system comes with a full 16 ft. installation kit, simplifying professional installation. Suitable for basements requiring durable and energy-saving climate control solutions.
MilleLoom 9000 BTU Mini Split Air Conditioner with Wifi
This 9,000 BTU mini split by MilleLoom is engineered for efficient cooling and heating with an impressive 18.5 SEER2 rating. Equipped with innovative inverter technology, it provides up to 25% energy savings and is certified by ETL and AHRI for reliability. The unit covers up to 1,500 square feet, fitting comfortably in basements, bedrooms, or garages. It includes five operational modes—Cool, Fan, Dry, Heat, and Auto—and features WiFi and Google Assistant compatibility, allowing seamless smart home integration. Its quiet operation and wide temperature tolerance (-4°F to 140°F) make it a versatile and comfortable unit for basement spaces.
Cooper & Hunter 24,000 BTU Ductless Mini Split AC and Heat Pump
The Cooper & Hunter Mia Series is a robust 24,000 BTU mini split system designed for larger basements or multi-room applications. It features an 18 SEER inverter heat pump and includes a 16 ft installation kit with insulated copper lines and drainage extension. The system is WiFi ready with smart port adapter functionality to control the temperature, mode, and fan speed through your smartphone or remote app easily. It operates efficiently down to 5°F making it reliable even in cooler climates. Due to its size, professional installation is recommended for optimal performance.
YITAHOME 12,000 BTU Mini Split with Alexa and Wifi Support
The YITAHOME 12,000 BTU mini split offers a smart HVAC solution with 20 SEER2 rated inverter efficiency. It supports five modes including auto, cool, dry, heat, and fan. Quiet operation under 41 dB creates a peaceful basement environment. The system is WiFi-enabled and Alexa-compatible for voice control, enhancing user convenience. It also features an air quality “Health” mode that removes dust and PM2.5 particles. Suitable for areas up to 750 sq. ft., this unit provides silent, efficient climate control for residential basements or smaller commercial spaces.
COSTWAY 12,000 BTU Wall Mounted Mini Split AC and Heater
The COSTWAY 12,000 BTU mini split system offers energy-efficient heating and cooling with an AHRI certified 1 ton heat pump. Its inverter technology reduces power consumption by modulating compressor frequency, extending equipment life. The unit has five operational modes (auto, cool, dry, heat, fan), with four fan speeds and specialized functions such as sleep, ECO, turbo, and iFEEL modes tailored for user comfort. The system comes with a remote control and quiet operation, making it a flexible option for basement installations that need both heating and cooling.
Buying Guide for Selecting the Best Mini Split for Your Basement
When choosing a mini split system for your basement, several factors require consideration to ensure optimal performance and comfort:
- BTU Capacity: Basements typically require 9,000 to 12,000 BTU units for average-sized rooms up to 750 square feet. Larger basements may need units up to 24,000 BTU.
- Energy Efficiency: Look for units with high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings to reduce energy costs year-round.
- Heating Capability: Basements can be cool in winter, so an efficient heat pump with good low-ambient heating performance is essential.
- Installation Kit: A complete installation kit that includes copper lines, drain pipes, and wiring simplifies the setup process.
- Smart Features: WiFi connectivity and compatibility with virtual assistants enable remote control and programming, adding convenience.
- Noise Levels: Choose units with quiet operation (under 45 dB) to maintain a peaceful basement environment.
- Operating Temperature Range: Ensure the system can operate efficiently in low temperatures, especially for cold climates.
- Air Quality Settings: Some mini splits offer air purification modes or filters for improved indoor air quality, beneficial in basements prone to moisture.
- Professional Installation: While some units claim DIY installation, professional installation typically ensures warranty compliance and optimal system performance.
By carefully evaluating these factors in relation to your basement size, local climate, and specific needs, you can select a mini split system that delivers efficient and consistent comfort throughout the year.