Finding the right multi room mini split system is essential for maintaining comfort throughout your home while optimizing energy efficiency. Mini splits provide versatile temperature control for multiple zones without requiring ductwork, ideal for modern households. This article reviews some of the top mini split models available on Amazon, highlighting key features such as cooling capacity, energy ratings, smart home compatibility, and installation ease. Below is a summary table for quick comparison.
| Model | BTU Capacity | Zones | Energy Rating | Smart Features |
|---|---|---|---|---|
| COSTWAY 18k Dual 2 Zone | 12,000 + 12,000 | 2 | 22 SEER2 | WiFi Enabled |
| Della ODU Tri 3 Zone 27K BTU | 9,000 + 9,000 + 18,000 | 3 | 19 SEER2 | WiFi, Alexa |
| SIMOE 18K Dual 2 Zone | 9,000 + 9,000 | 2 | 22 SEER2 | WiFi, Alexa, Google Assistant |
| DELLA 18K BTU ODU 2 Dual Zone | 12,000 + 12,000 | 2 | 19 SEER2 | WiFi, Alexa |
| COSTWAY 30k Quad 4 Zone | 9,000 + 9,000 + 9,000 + 18,000 | 4 | 23 SEER2 | WiFi Enabled |
COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner
The COSTWAY 18k Dual 2 Zone Mini Split AC offers independent temperature control for two rooms, with a combined 24,000 BTU capacity. This system features a 22 SEER2 rating for outstanding energy efficiency and uses environmentally friendly R32 refrigerant, ensuring a lower global warming potential. It operates effectively in extreme temperatures ranging from -13℉ to 125℉, thanks to the chassis heating function that keeps the outdoor unit operational under any climate. The unit supports six different modes, including auto, cool, heat, dry, fan, and sleep, along with five fan speeds to tailor comfort levels. This model’s ductless design minimizes installation hassle while providing a quiet, efficient cooling and heating solution.
Della ODU Tri 3 Zone 27K BTU Multi Zone Mini Split
This Della Tri 3 Zone Mini Split is ideal for cooling and heating up to 1800 square feet across three zones with 27,000 BTU total output. It uses a DC inverter heat pump capable of functioning down to -4℉, providing energy savings of up to 30%. The system includes three indoor units with individual controllers and is ETL listed and AHRI certified, underscoring its performance and safety standards. With ultra-quiet operation at only 50 dBa, it ensures minimal noise disturbance. Professional installation is required, including line-set vacuuming for proper system setup. Compatible with advanced smart home systems, this unit fits well in multi-room setups seeking individual climate control.
SIMOE 18K Dual 2 Zone Wifi-Enabled Mini Split Air Conditioner
The SIMOE Dual 2 Zone Mini Split provides two 9,000 BTU indoor units powered by an 18,000 BTU outdoor condenser, supporting independent temperature settings in separate rooms. It boasts a 22 SEER2 efficiency rating combined with 10 HSPF2 heating performance. This model supports voice control through Alexa and Google Assistant, allowing convenient remote operation. It adapts smoothly to temperatures from 60°F to 90°F, perfect for year-round use. The system is pre-charged with refrigerant and designed to save up to 50% energy compared to traditional air conditioners, making it suitable for eco-conscious buyers focusing on both comfort and sustainability.
DELLA 18K BTU ODU 2 Dual Zone 12000 + 12000 BTU Mini Split AC
The DELLA 2 Dual Zone Mini Split features high efficiency with a 19 SEER2 rating and includes two 12,000 BTU indoor units suitable for rooms up to 1,100 square feet coverage. It operates effectively down to 5℉ with a pre-charged heat pump and DC inverter technology, reducing power consumption by about 30%. The system provides separate controllers for individual room comfort and offers comprehensive installation kits with 16-foot copper pipes and drain pipes. This model supports WiFi and Alexa compatibility but does not support the self-cleaning function despite the display option. It’s a solid choice for homeowners focusing on energy efficiency within small to medium living spaces.
COSTWAY 30k Quad 4 Zone Multi Room Mini Split AC Heat Pump
The COSTWAY 30k Quad 4 Zone Mini Split air conditioner offers robust cooling and heating coverage with four zones totaling 30,000 BTU. This system delivers superior efficiency with a 23 SEER2 rating and uses eco-friendly R32 refrigerant for reduced environmental impact. It operates reliably in temperatures from -13℉ to 125℉ with a chassis heating function guarding outdoor components. Users can choose from six modes including sleep and dry, alongside five fan speeds. The unit supports WiFi control and is ETL & AHRI certified, ensuring dependable performance for larger homes needing precise multi-zone temperature management.
Buying Guide for Multi Room Mini Split Systems
Cooling and Heating Capacity
Choose a mini split system with appropriate BTU capacity to cover your rooms adequately. Higher BTUs are needed for larger spaces or multiple zones. Check manufacturer recommendations for square footage coverage per indoor unit to ensure efficient temperature control without overworking the system.
Energy Efficiency Ratings
Seek models with high SEER2 ratings and certified by ENERGY STAR to save on utility bills. Efficient heat pumps and DC inverter technology improve performance and reduce energy consumption. Systems with lower Global Warming Potential refrigerants like R32 are more environmentally friendly.
Number of Zones and Indoor Units
Multi room mini splits support anywhere from two to four or more zones. Consider how many separate indoor units you need where independent temperature control is desired. Some systems offer flexible configurations with different BTU options per zone.
Smart Features and Controls
WiFi-enabled mini splits allow remote operation and programming. Many support voice assistants like Alexa and Google Assistant, enhancing convenience. Separate controllers per zone enable personalized comfort without affecting other rooms.
Installation and Maintenance
Professional installation is generally recommended, especially for multi-zone systems requiring careful refrigerant line setup. Consider what installation kits are included to reduce setup costs. Some models require vacuuming lines or adjusting refrigerant levels during installation. Maintenance such as filter cleaning is essential for performance.
Operating Temperature Range
If you live in regions with harsh winters or extremely hot summers, verify the mini split’s operating temperature tolerance. Many models function effectively below freezing temperatures thanks to heat pump technology and chassis heating functions.
By assessing these factors, you can select a multi room mini split system that perfectly balances efficiency, comfort, and smart control for your home’s unique needs.