Choosing the right 3 room mini split system can optimize comfort across multiple spaces without the need for extensive ductwork. These systems offer individual room controls, energy efficiency, and year-round heating and cooling. Below is a summary table of some top mini split systems reviewed here, highlighting key specs and features.
| Product | BTU | SEER Rating | Heating/Cooling | Key Features |
|---|---|---|---|---|
| Della Mini Split Air Conditioner ODU Tri 3 Zone | 27,000 | 19 SEER2 | Heat Pump | WiFi, Alexa Compatible, 3 Zone Individual Control |
| ROVSUN 3 Zone 28000 BTU Mini Split | 28,000 | 20 SEER2 | Heat Pump | All-Season Use, Turbo Mode, Pre-Charged Condenser |
| TOSOT 30,000 BTU Tri Zone Mini Split AC | 30,000 | 21 SEER2 | Heat Pump | WiFi Enabled, High Efficiency, Extreme Weather Resilience |
| Cooper & Hunter 3 Zone Ceiling Cassette Mini Split | 28,000 | 25 SEER2 | Heat Pump | Ceiling Cassette Design, Whisper Quiet, Installation Kit Included |
| Cooper & Hunter 28,000 BTU Tri 3-Zone Wall Mount Mini Split | 28,000 | 23.8 SEER | Heat Pump | Smart Port App Control, Energy Efficient, Pre-Charged Refrigerant |
Della Mini Split Air Conditioner ODU Tri 3 Zone 27K BTU
The Della 3 Zone 27,000 BTU mini split system combines effective multi-room temperature management with energy efficiency. It features a 19 SEER2 rating and uses DC inverter technology to provide up to 30% power savings. The system includes three indoor air handlers of 9,000 BTU, 9,000 BTU, and 12,000 BTU capacities respectively, allowing individual climate control for each room.
The unit supports WiFi connectivity and Alexa voice commands for convenience. Cooling and heating operate down to -4℉ (-20℃). It includes standard copper line sets and installation kits. Smart features include turbo mode, 4D airflow direction, dry & eco modes, and a 24-hour timer. The system does not support self-cleaning despite a button indication on the display.
ROVSUN 3 Zone 28000 BTU Mini Split AC/Heating System
This ROVSUN 28000 BTU 3-zone system is designed for year-round comfort, offering both air conditioning and heating via a heat pump with an ambient temperature range of -13℉ to 131℉. The mini split includes three indoor air handlers (each 9,000 BTU) and a pre-charged outdoor condenser, with a 25-foot line set included.
Energy efficiency is a highlight, with up to 30% power savings courtesy of its inverter technology. It has ETL and AHRI certification ensuring reliability and performance. Features include multiple fan speeds, accelerated turbo mode, 4-way air swing, sleep and mute modes, self-diagnosis, and automatic defrosting for winter use.
TOSOT 30,000 BTU Tri Zone Mini Split AC with Heat Pump
The TOSOT 30,000 BTU Cosmo Series tri-zone mini split system features two 9,000 BTU and one 12,000 BTU indoor units controlled individually by room. This system offers precise temperature management from 61℉ to 86℉ with multiple modes per room.
It has a strong energy saving profile with a 21 SEER2 rating and is Energy Star-certified, ensuring up to 24% savings on energy consumption compared to 16 SEER2 units. The advanced compressor allows operation in extreme ambient conditions, from -22℉ up to 118℉. The intelligent defrost function boosts heating performance during winter months.
Cooper & Hunter 3 Zone 9k+12k+12k Ceiling Cassettes Mini Split
This Cooper & Hunter 28,000 BTU tri-zone mini split utilizes ceiling cassette indoor units (9k, 12k, 12k BTU) suitable for bedrooms, living rooms, and commercial spaces. It features whisper technology for quiet operation and supports heating down to -13℉ ambient temperature.
The system includes a 25ft installation kit with pre-flared and insulated copper lines, communication wires, and drainage extensions. Its impressive 25 SEER2 efficiency rating supports reduced energy costs. ETL and AHRI certifications underline the unit’s quality and performance reliability.
Cooper & Hunter 28,000 BTU Tri 3-Zone Wall Mount Mini Split
The Cooper & Hunter 28,000 BTU wall-mounted tri-zone mini split system features three indoor units (9k, 9k, and 12k BTU) with smart port adapters for remote control through smartphone apps. It supports efficient heating and cooling with a 23.8 SEER inverter compressor.
The unit uses pre-charged R-410A refrigerant and operates on 208-230V power supplies. Its heating function performs reliably up to ambient temperatures as low as -13℉. The UL listing and AHRI certification mark it as a dependable choice for residential or light commercial applications.
Buying Guide for 3 Room Mini Split Systems
Selecting an ideal 3 room mini split system involves considering various factors, from system capacity to energy efficiency and installation requirements. Here are key considerations:
1. Cooling and Heating Capacity
Ensure the combined BTU rating matches the square footage and climate conditions of the areas to be served. Common sizes range from 27,000 to 36,000 BTU for 3 rooms. Oversizing wastes energy; undersizing reduces comfort.
2. Energy Efficiency Ratings
Look for high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Units with ratings above 20 SEER provide notable electric savings.
3. Installation Type and Space
Choose between wall-mounted or ceiling cassette indoor units depending on room layout and aesthetics. Consider the complexity of installing line sets and outdoor units, especially in tight spaces.
4. Smart Controls and Connectivity
WiFi-enabled units with app controls and voice assistant support simplify temperature management from anywhere. Individual room controllers enable personalized comfort settings.
5. Climate and Defrost Capabilities
If you live in cold regions, opt for heat pumps rated for low ambient temperatures and intelligent defrost functions to maintain heating efficiency in winter.
6. Brand Certification and Warranty
Choose products certified by ETL, AHRI, or Energy Star for assured quality and energy efficiency. Verify warranty terms for peace of mind.
7. Noise Levels
Quieter systems with whisper technology are ideal for bedrooms and offices.
With these considerations, you can find a reliable 3 zone mini split system suited to your home or commercial needs, balancing performance and energy savings.