Mini split multi zone air conditioners offer tailored climate control for multiple rooms without the need for ductwork. These systems provide energy-efficient heating and cooling solutions ideal for homes and small businesses. Below is a table summarizing the top mini split multi zone units available on Amazon, highlighting their capacity, zones, SEER2 ratings, and smart features.
| Product | BTU Capacity | Zones | SEER2 Rating | Smart Features |
|---|---|---|---|---|
| COSTWAY 18k Dual 2 Zone Mini Split | 12,000 + 12,000 | 2 | 22 | WiFi Enabled |
| DELLA 18K BTU ODU 2 Dual Zone | 9,000 + 9,000 | 2 | 19 | WiFi, Alexa Compatible |
| COSTWAY 30k Quad 4 Zone Mini Split | 9,000 + 9,000 + 9,000 + 18,000 | 4 | 23 | WiFi Enabled |
| Della ODU Tri 3 Zone 27K BTU Mini Split | 9,000 + 9,000 + 18,000 | 3 | 19 | WiFi, Alexa Compatible |
| ROVSUN 28000 BTU Tri Zone WIFI Mini Split | 9,000 + 9,000 + 12,000 | 3 | 20 | WiFi Enabled |
COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner
This COSTWAY mini split offers a multi-room cooling solution with two independent 12,000 BTU indoor units totaling 18,000 BTU for combined performance. The system is designed to adapt to different room requirements, allowing individual temperature control for each zone. It features a chassis heating function that keeps the outdoor unit operational in harsh weather ranging from -13℉ to 125℉, providing year-round reliability.
The unit boasts a high 22 SEER2 rating and 10 HSPF2, utilizing eco-friendly R32 refrigerant with a Global Warming Potential (GWP) of 675. Certified by Energy Star, ETL, and AHRI, this ductless system ensures energy savings and environmental responsibility.
Your comfort is enhanced by six operational modes — auto, cool, heat, dry, fan, and sleep — alongside five adjustable fan speeds. Automatic swing and additional humidity and health features contribute to a customizable and comfortable indoor climate.
DELLA 18K BTU ODU 2 Dual Zone 9000 9000 BTU Wifi Mini Split
The Della dual zone mini split system includes two 9,000 BTU indoor units and one outdoor condenser designed for spaces up to 800 sq. ft. total. With a 19 SEER2 rating and ETL/AHRI certifications, it offers efficient cooling and heating with inverter technology that delivers up to 30% energy savings. It works effectively in cold conditions down to -4℉, making it suitable for varied climates.
Each indoor unit has a separate controller, allowing for precise temperature control customized to individual room preferences. Installation is assisted by two 16-foot copper pipes and kits included in the package. This model does not, however, support the self-cleaning function, so manual maintenance is required.
COSTWAY 30k Quad 4 Zone Mini Split Air Conditioner
This four-zone mini split unit from COSTWAY delivers a powerful 30,000 BTU output distributed among three 9,000 BTU and one 18,000 BTU indoor units. It’s designed for multi-room cooling and heating with independent temperature settings per zone, making it ideal for larger homes or spaces requiring multiple controlled environments.
The system features an outstanding 23 SEER2 rating and uses R32 refrigerant, emphasizing low energy consumption and a reduced environmental footprint. Like the dual-zone model, it includes six operating modes and five fan speed options, complemented by auto swing and various comfort-enhancing functions. The chassis heating ability ensures functionality in extreme temperatures ranging from -13℉ to 125℉.
Della ODU Tri 3 Zone 27K BTU Mini Split AC
The Della tri-zone mini split system efficiently cools and heats up to 1,800 sq. ft. with three indoor units rated at 9,000, 9,000, and 18,000 BTUs. It utilizes inverter technology and heat pump capabilities to work efficiently even in low temperatures down to -4℉. The system bears ETL and AHRI certifications, ensuring compliance with safety and performance standards.
Each indoor unit can be independently controlled for customized climate zones. The ultra-quiet operation at approximately 50 dBa and quick temperature adjustments make it convenient for residential and light commercial use. Professional installation is required to maintain system integrity, including vacuuming the line set and adjusting refrigerant if needed.
ROVSUN 28000 BTU Tri Zone WIFI Mini Split AC/Heating System
This ROVSUN system offers a comprehensive climate solution with one 28,000 BTU outdoor condenser and three indoor units (9,000 + 9,000 + 12,000 BTU). It’s equipped with a heat pump and inverter technology designed to operate in extreme cold climates as low as -13℉, giving reliable year-round comfort.
At a 20 SEER2 rating, it delivers energy-efficient cooling and heating with features like self-diagnosis, auto defrost, iFEEL mode, and multiple operating modes including silent and turbo. Each zone is controlled separately via WiFi-compatible remotes, supporting smart home integration for enhanced convenience.
Mini Split Multi Zone Buying Guide
When selecting a mini split multi zone system, consider the following key factors to ensure optimal performance and satisfaction:
- BTU Capacity and Number of Zones: Calculate the total area the system needs to cover. Choose a system with adequate BTU output per zone to avoid under- or over-sized units, which can affect efficiency and comfort.
- Energy Efficiency Ratings: Look for high SEER2 and HSPF2 ratings, as these indicate better cooling and heating efficiency respectively, leading to lower energy bills.
- Refrigerant Type: Systems using R32 refrigerant are more environmentally friendly with a lower Global Warming Potential compared to older refrigerants.
- Smart Features and Controls: WiFi-enabled units with compatibility for voice assistants like Alexa or Google Assistant offer convenient remote control and scheduling.
- Installation Requirements: Multi zone systems often require professional installation due to complexity, including proper sizing of line-sets and refrigerant charging.
- Operating Temperature Range: Consider the minimum outdoor temperature requirements if you live in colder climates to ensure year-round functionality.
- Noise Levels: Check decibel ratings for indoor and outdoor units if quiet operation is important for your setting.
- Manufacturer Certifications: ETL and AHRI certifications guarantee compliance with safety, quality, and efficiency standards.