Finding the right high BTU mini split system can significantly improve your home’s comfort while saving energy. These ductless HVAC units provide flexible cooling and heating without the need for extensive ductwork. Below is a summary table of some of the best high BTU mini splits available, highlighting their capacity, energy efficiency, zoned control capabilities, and notable features for different home sizes and needs.
| Product | BTU Capacity | Zones | SEER2 Rating | Special Features |
|---|---|---|---|---|
| MrCool Easy Pro 12k BTU Heat Pump View on Amazon | 9,000-12,000 BTU | 1 Zone | 19.5 SEER2 | DIY installation, Gold Fin condenser coating, 11.2 HSPF2 heating |
| Della ODU Tri 3 Zone 27K BTU Mini Split AC View on Amazon | 9,000 + 9,000 + 18,000 BTU (27,000 total) | 3 Zones | 19 SEER2 | WiFi & Alexa compatible, energy efficient DC inverter, multi-room control |
| Cooper & Hunter 48,000 BTU Dual 2-Zone Mini Split View on Amazon | 24,000 + 24,000 BTU | 2 Zones | 23.4 SEER2 | Smart app control, whisper quiet, powerful heating to -13°F |
| Della 27K BTU ODU 2 Zone Mini Split AC with Wifi View on Amazon | 12,000 + 12,000 BTU | 2 Zones | 19 SEER2 | Alexa compatible, ETL & AHRI certified, heat pump auto-defrost |
| COSTWAY 18K Dual 2 Zone Mini Split AC Heat Pump View on Amazon | 9,000 + 12,000 BTU | 2 Zones | 22 SEER2 | Energy Star certified, R32 refrigerant, multiple modes & WiFi enabled |
Content Navigation
- MrCool Easy Pro 12k BTU Ductless Heat Pump Mini Split
- Della ODU Tri 3 Zone 27K BTU Multi-Zone Mini Split AC
- Cooper & Hunter 48,000 BTU Dual 2-Zone Mini Split AC & Heat Pump
- Della 27K BTU ODU 2 Zone WiFi Mini Split AC Heat Pump
- COSTWAY 18k Dual 2 Zone Wifi Enabled Mini Split Heat Pump
- Buying Guide for High BTU Mini Split Systems
MrCool Easy Pro 12k BTU Ductless Heat Pump Mini Split
The MrCool Easy Pro offers an 18.9-20.2 SEER2 rated system with a BTU capacity ranging from 9K to 12K, suitable for cooling and heating spaces from under 500 to 1,200 square feet such as garages, sunrooms, and game rooms. As a heat pump system, it features heating capabilities with an impressive 11.2 HSPF2 rating to ensure year-round comfort. The unit includes a Gold Fin condenser coating that protects against corrosion and rust while maintaining heat transfer efficiency, contributing to the system’s durability. This model is great for users who value a balance of energy efficiency and straightforward installation.
Della ODU Tri 3 Zone 27K BTU Multi-Zone Mini Split AC
This Della 3-zone system offers a combined BTU capacity of 27,000 with three indoor air handlers (two 9K and one 18K BTU) and one outdoor condenser. It allows individual temperature control in separate rooms, enhancing personalized comfort. Using DC inverter technology and heat pump capabilities down to -4℉ (-20℃), it provides energy-efficient operation with about 30% power savings. The system is ETL listed, AHRI certified, and ideally suited for homes requiring zoned cooling across multiple rooms with smart WiFi connectivity and Alexa compatibility. Professional installation is required for optimal performance.
Cooper & Hunter 48,000 BTU Dual 2-Zone Mini Split AC & Heat Pump
Offering a robust 48,000 BTU capacity split across two zones with 24,000 BTU air handlers each, this Cooper & Hunter unit delivers a 23.4 SEER2 rating, emphasizing high efficiency. The system supports heating in temperatures as low as -13°F, featuring whisper technology for quiet operation ideal for living spaces and commercial use. Its smart port adapters enable individual remote control of each air handler through a smartphone app. This advanced system suits larger homes or multi-room applications requiring powerful climate control with smart technology.
Della 27K BTU ODU 2 Zone WiFi Mini Split AC Heat Pump
The Della 2-zone 27,000 BTU system includes two indoor units rated for 12,000 BTU each, providing effective cooling and heating coverage for up to 1,100 square feet total. Featuring a heat pump capable of working in temperatures as low as 5°F, it operates with 19 SEER2 efficiency and utilizes DC inverter technology for reducing energy use by up to 30%. This system is AHRI and ETL certified and supports WiFi control with Alexa integration, facilitating smart, remote adjustment of temperature zones.
COSTWAY 18k Dual 2 Zone Wifi Enabled Mini Split Heat Pump
This Energy Star certified COSTWAY mini split system includes two zones with capacities of 9,000 and 12,000 BTU to independently control temperatures for different rooms up to 18,000 BTU total. It features an advanced inverter technology with a 22 SEER2 rating and uses environmentally friendlier R32 refrigerant with a Global Warming Potential (GWP) of 675. The unit offers multiple operating modes including auto, cool, heat, dry, fan, and sleep modes, plus WiFi-enabled smart control for added convenience.
Buying Guide for High BTU Mini Split Systems
Determine Required BTU Capacity Based on Space
The BTU rating of a mini split should match your space’s size and insulation quality. Higher BTU units (above 18,000 BTU) are best for larger rooms or multiple rooms, while smaller zones may need 9,000-12,000 BTU units. Calculating your square footage and factoring in windows, insulation, and climate helps select the right capacity.
Consider Zoning and Multi-Room Control
Multi-zone mini splits offer independent temperature control in different rooms, providing tailored comfort and improved energy savings. Choose systems with the number of zones matching your home’s layout and consider smart controllers for ease of managing multiple zones.
Energy Efficiency Ratings (SEER2 and HSPF2)
Look for units with higher SEER2 (Seasonal Energy Efficiency Ratio) for cooling and HSPF2 (Heating Seasonal Performance Factor) for heating to reduce electricity bills. Models rated above 19 SEER2 and 10 HSPF2 are considered highly efficient.
Installation and Compatibility
Some mini splits are designed for DIY installation, while others require professional setup. Verify your unit’s compatibility with your home’s electrical system (usually 208-230V) and consider line-set lengths and any pre-charged refrigerant requirements to ease installation.
Features Supporting Convenience and Durability
Advanced features like WiFi and Alexa integration enable remote system control. Durability enhancements such as Gold Fin condenser coating protect against corrosion. Additional functions like auto-defrost and various operational modes increase reliability and user comfort.
Environmental Considerations
Opt for units utilizing refrigerants with low Global Warming Potential (GWP), such as R32, to ensure more environmentally-friendly operation. Energy Star certification confirms compliance with strict energy efficiency and environmental standards.