Choosing the right 4 zone mini split air conditioner can greatly enhance comfort in multiple rooms while optimizing energy efficiency. This guide highlights top-rated multi-zone mini split systems with various capacities, advanced inverter technologies, and convenient smart features. Below is a summary table of the most relevant products we reviewed to help you quickly compare key specifications.
| Product | BTU Capacity | SEER Rating | Smart Features | Energy Star Rated |
|---|---|---|---|---|
| COSTWAY 30k Quad 4 Zone Mini Split | 9k+9k+9k+18k | 23 SEER2 | WiFi Enabled | Yes |
| Della 36K BTU Quad 4 Zone Mini Split | 12k+12k+12k+12k | 19 SEER2 | Works with Alexa, WiFi | Yes |
| ROVSUN 4 Zone 35000 BTU Mini Split AC | 12k+12k+12k+12k | 19 SEER2 | WiFi Compatible | Yes |
| OLMO 36,000 BTU Quad 4-Zone Mini Split | 9k+9k+9k+9k | 21 SEER2 | Smart App & Remote | Yes |
| TOSOT 36,000BTU Quad 4 Zone Mini Split AC | 9k+9k+9k+9k | 21 SEER2 | WiFi Enabled | Yes |
Content Navigation
- COSTWAY 30k Quad 4 Zone Mini Split Air Conditioner
- Della 36K BTU Quad 4 Zone Mini Split AC with Alexa
- ROVSUN 4 Zone 35000 BTU Mini Split AC & Heat Pump
- OLMO 36,000 BTU Quad 4-Zone Wall Mount Mini Split
- TOSOT 36,000BTU Quad 4 Zone Mini Split AC with Heat Pump
- Buying Guide for 4 Zone Mini Split Air Conditioners
COSTWAY 30k Quad 4 Zone Mini Split Air Conditioner
The COSTWAY Quad 4 Zone Mini Split offers a total cooling capacity of 30,000 BTU split across four zones with three indoor units rated at 9,000 BTU and one at 18,000 BTU. It is designed to independently adjust temperatures for each room, ensuring personalized comfort. With a high efficiency 23 SEER2 rating and an innovative inverter coupled with R32 refrigerant, it meets Energy Star standards for reduced energy consumption and environmental impact.
This ductless system supports multiple modes including cooling, heating, drying, fan, auto, and sleep, complemented by 5 wind speed settings for customizable airflow. The chassis heating function supports operation in a wide climate range from -13℉ to 125℉. Certifications by ETL and AHRI verify its safety and performance standards.
Della 36K BTU Quad 4 Zone Mini Split AC with Alexa
The Della 36K Quad Zone Mini Split is built for efficient climate control of up to 2,200 sq. ft. It features four identical indoor air handlers each delivering 12,000 BTU, managed individually via separate controllers. Compatibility with Alexa adds voice control convenience for smart homes. A full installation kit is included for easier setup.
Operating quietly at 41 dBA, this system offers quick temperature adjustments between 60℉ and 90℉. It is Energy Star rated with a 19 SEER2 efficiency and suitable for cold climates with a minimum operating temperature of 5℉. It lacks self-cleaning functionality but excels in delivering stable multi-room cooling and heating performance.
ROVSUN 4 Zone 35000 BTU Mini Split AC & Heat Pump
The ROVSUN 35000 BTU 4 Zone Mini Split delivers balanced cooling and heating using four indoor handlers of 12,000 BTU each, managed by individual controls. The system integrates a heat pump suitable for temperatures ranging from -13℉ to 131℉, making it a year-round solution. Its inverter technology ensures energy savings up to 30% compared to traditional systems.
This product boasts multiple comfort modes including turbo acceleration, sleep, mute, and iFEEL, promoting a quiet and pleasant environment. Certified by ETL and AHRI, it is suitable for residential and light commercial applications such as bedrooms, kitchens, and small stores. The pre-charged condenser and included 25-ft line set simplify installation.
OLMO 36,000 BTU Quad 4-Zone Wall Mount Mini Split
Featuring four 9,000 BTU indoor wall-mounted units, the OLMO 36,000 BTU Quad Zone Mini Split provides efficient multizone climate control with a total 36,000 BTU capacity. With a 21 SEER2 rating and inverter compressor technology, it balances quiet operation and effective temperature management down to -13℉ ambient temperature.
Control is simplified with smart port adapters and a dedicated smartphone app, enabling remote management of each zone. It includes 16-ft installation kits for each air handler, featuring insulated copper line sets and drainage extensions. UL Listed and AHRI certified, this system requires professional installation for optimal safety and performance.
TOSOT 36,000BTU Quad 4 Zone Mini Split AC with Heat Pump
The TOSOT Cosmo Series 36,000 BTU Mini Split offers individual temperature and mode customization across four indoor units delivering 9,000 BTU each. With a 21 SEER2 and 10 HSPF2 rating, it meets high efficiency and energy savings standards. This Energy Star-certified system is eligible for federal tax rebates, contributing to long-term cost reductions.
Designed for extreme climates, it operates efficiently from -22℉ to 118℉. An intelligent defrost feature optimizes heating efficiency in cold weather. WiFi enablement provides convenient remote control via smartphone apps. Overall, it is geared towards users seeking durable and flexible climate control in variable conditions.
Buying Guide for 4 Zone Mini Split Air Conditioners
BTU Capacity and Room Size
Choose a mini split with adequate combined BTU output matching your total cooling area. Each zone should have sufficient BTU capacity tailored to room size and insulation. Oversized units lead to inefficiency, whereas undersized units struggle to maintain comfort.
Energy Efficiency Ratings
Look for high SEER2 and HSPF ratings which denote efficient cooling and heating performance. Energy Star certification is an important indicator of power-saving capabilities and environmental friendliness. Higher SEER ratings typically translate into lower operational costs.
Heating Capability and Climate Suitability
Select systems with robust heat pump functions for year-round use, especially in colder climates. Check minimum operating ambient temperatures and defrost features to ensure reliable heating performance during winter months.
Smart Controls and Compatibility
Modern mini splits often include WiFi connectivity or compatibility with smart platforms like Alexa. These features enhance ease of use by enabling remote temperature adjustments and scheduling through mobile apps or voice commands.
Installation and Included Accessories
Confirm the system comes with sufficient line sets, communication wiring, and installation kits for all zones. Professional installation is generally recommended for multi-zone units to ensure system integrity and warranty compliance.
Noise Levels
Consider the decibel rating of indoor units for quiet operation, especially in bedrooms or study areas. Many inverter mini splits operate at noise levels below 45 dB, comparable to a quiet conversation.
Refrigerant Type and Environmental Impact
Opt for systems using R32 refrigerant, which has lower global warming potential compared to older refrigerants. This choice supports sustainability goals and may comply better with future regulatory standards.