When it comes to cooling and heating multiple rooms efficiently, a five zone mini split system is an excellent solution. These systems provide customizable comfort with individual controls, energy efficiency, and quiet operation. Below is a summary table highlighting the top five mini split systems designed for five-zone applications, along with their key features and certifications.
Product | BTU Capacity | Energy Efficiency | Zones | Certifications |
---|---|---|---|---|
Penta 5 Zone 9000 9000 9000 9000 18000 Ductless Mini Split | 48,000 BTU | 21.5 SEER | 5 Zone | ETL, AHRI |
ROVSUN 28000 BTU Tri Zone WIFI Mini Split AC | 28,000 BTU | 20 SEER2 | 3 Zone | ETL, AHRI |
COSTWAY 18k Dual 2 Zone Mini Split AC, Wifi Enabled | 18,000 BTU | 22 SEER2 | 2 Zone | ETL, AHRI, Energy Star |
Cooper & Hunter Dual Zone 9,000 + 12,000 BTU Mini Split | 18,000 BTU | 21.3 SEER | 2 Zone | UL, AHRI, Energy Star |
Della ODU Tri 3 Zone 27K BTU Mini Split Systems | 27,000 BTU | 19 SEER2 | 3 Zone | ETL, AHRI |
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Penta 5 Zone 9000 9000 9000 9000 18000 Ductless Mini Split

The COOPER AND HUNTER Penta 5 Zone Mini Split System includes a powerful 48,000 BTU outdoor inverter compressor rated at 21.5 SEER, supporting five indoor wall-mounted air handlers with capacities of 9,000 BTU each for four zones and 18,000 BTU for the fifth. It comes complete with installation kits including pre-flared copper line sets, communication wires, and drainage extensions.
This system operates on 208-230V power, is ETL and AHRI certified, and designed for professional installation. It performs efficiently down to ambient temperatures of -13°F and utilizes whisper technology, making it suitable for bedrooms, living rooms, and commercial applications requiring silent operation.
ROVSUN 28000 BTU Tri Zone WIFI Mini Split AC

The ROVSUN 28000 BTU Tri Zone Mini Split features a 28,000 BTU outdoor condenser paired with three indoor units of 9,000, 9,000, and 12,000 BTU respectively. Each zone has individual controllers for personalized temperature management, operating efficiently with inverter technology at a 20 SEER2 rating.
This ductless system integrates multiple functionalities including air conditioning, a robust heat pump heating system, fan modes, dehumidifier, and turbo speed. It supports ambient temperatures as low as -13°F and includes smart features like auto defrost, self-diagnosis, and silent mode. ETL and AHRI certifications ensure quality and reliability.
COSTWAY 18k Dual 2 Zone Mini Split AC, Wifi Enabled

The COSTWAY 18k Dual Zone Mini Split AC is designed for two zones with a total capacity of 18,000 BTU (9,000 + 12,000 BTU). It uses R32 refrigerant to reduce global warming potential and offers an energy-efficient 22 SEER2 rating with full Energy Star certification.
This model supports multiple modes including auto, cool, heat, dry, fan, and sleep, along with five-speed settings. Its chassis heating function allows outdoor unit operation in climates as cold as -13°F. The system includes WiFi connectivity, enabling control via smartphone for added convenience.
Cooper & Hunter Dual Zone 9,000 + 12,000 BTU Mini Split

The Cooper & Hunter Olivia Series Dual Zone Mini Split features an 18,000 BTU outdoor condenser with a 22.5 SEER rating and two indoor air handlers at 9,000 and 12,000 BTU. This system offers smart port adapters for remote individual control through a smartphone app and remote, facilitating precise climate management.
Certified by UL, AHRI, and Energy Star, it is suitable for heating up to -13°F ambient temperatures. The package contains all necessary installation kits including line sets, communication wires, and drainage extensions. Professional installation is recommended to ensure optimal performance.
Della ODU Tri 3 Zone 27K BTU Mini Split System

The Della ODU Tri 3 Zone Mini Split provides 27,000 BTU capacity supporting three zones with indoor units rated 9,000, 9,000, and 18,000 BTU. It includes all installation components such as copper pipes, drain pipes, and kits necessary for setup. The unit works efficiently down to -4°F, with inverter and heat pump technology delivering up to 30% power savings.
This system emphasizes quiet performance at 50 dBA and balanced airflow, adjustable from 60 to 90 degrees Fahrenheit swiftly. The product is ETL and AHRI certified, designed for professional installation, with requirements for line-set vacuum and refrigerant adjustments after any pipe length alterations.
Buying Guide for Five Zone Mini Split Systems
Choosing the right five zone mini split system involves several important factors. Here’s what to consider:
BTU Capacity and Zone Requirements
Calculate the cooling and heating load for each room or zone to select a system with adequate BTU capacity. Avoid under-sizing, which stresses the system, or oversizing, which wastes energy.
Energy Efficiency Ratings
Look for high SEER or SEER2 ratings and certifications like Energy Star, ETL, or AHRI. A more efficient system reduces electricity consumption and lowers operational costs.
System Type and Features
- Heat Pump Capability: Useful for both heating and cooling, especially in moderate climates.
- Individual Zone Control: Allows setting different temperatures per zone for tailored comfort.
- Smart Connectivity: WiFi-enabled systems enable control via smartphone apps.
- Noise Levels: Quiet operation enhances usability in bedrooms and offices.
Installation and Maintenance
Professional installation is recommended to ensure proper refrigerant charging and optimal performance. Confirm that installation kits, line sets, and necessary accessories are included. Some models require vacuuming lines and refrigerant adjustment if pipes are extended.
Warranty and Support
Check warranty terms and manufacturer support services. Long warranties and local service centers improve peace of mind and protect your investment.
By carefully considering these factors, you can select a five zone mini split system that meets your multi-room climate control needs effectively and efficiently.