Choosing the best 4 unit mini split system can significantly improve indoor comfort by providing customized temperature control for multiple rooms. This article covers top mini split systems designed for multi-zone cooling and heating, ideal for American homes. Below is a summary table of highly recommended models focusing on key features like energy efficiency, coverage area, and smart capabilities.
| Model | BTU & Zones | Energy Efficiency | Special Features |
|---|---|---|---|
| Della 36K BTU Quad 4 Zone Mini Split | 36,000 BTU (9K+9K+12K+18K) 4 Zones | 19 SEER2, DC Inverter | Alexa & WiFi compatible, Pre-charged heat pump |
| COSTWAY 30k Quad 4 Zone Mini Split | 30,000 BTU (9K+9K+9K+18K) 4 Zones | 23 SEER2, R32 refrigerant | Energy Star certified, WiFi enabled, 6 modes |
| TOSOT 36,000BTU Quad 4 Zone Cosmo Series | 36,000 BTU (4x 9,000 BTU) 4 Zones | 21 SEER2, Energy Star | Extreme temp range, intelligent defrost |
| ROVSUN 4 Zone 35000 BTU Mini Split | 35,000 BTU (4x 12,000 BTU) 4 Zones | 19 SEER2, inverter tech | Self-cleaning, turbo mode, wide temp range |
| KLOLKUTTA Mini Split Line Set Cover | For 4″ 7.5 Ft Line Sets | N/A | Protects outdoor ducts, universal compatibility |
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Della 36K BTU Quad 4 Zone Mini Split System
The Della 36K BTU Quad 4 Zone Mini Split provides efficient climate control for areas up to 2,350 square feet. It features four indoor air handlers with varying BTUs (9K, 9K, 12K, and 18K), allowing customizable temperature settings in multiple rooms. The system includes Alexa and WiFi capabilities for smart home integration. It operates efficiently down to 5°F and is equipped with DC inverter technology offering up to 30% energy savings. The package also includes all necessary installation components and supports an outdoor operating voltage range of 208-230V. Note this model displays a self-cleaning function icon but does not perform this operation.
COSTWAY 30k Quad 4 Zone Mini Split Air Conditioner
This COSTWAY 30,000 BTU 4-zone mini split AC is designed for multi-room comfort with independent temperature control for each area. It uses R32 refrigerant and has a high 23 SEER2 rating, providing energy-efficient performance. The system includes a heat pump that withstands temperatures as low as -13°F, suitable for various climates. Customers benefit from six operating modes and five fan speeds, offering versatility for different comfort needs. WiFi connectivity enhances remote control, while ETL and AHRI certifications affirm quality and safety standards.
TOSOT 36,000BTU Quad 4 Zone Cosmo Series Mini Split
The TOSOT Cosmo Series offers four individual 9,000 BTU indoor units powered by a single 36,000 BTU outdoor compressor. It supports independent temperature control with a range between 61°F and 86°F. Rated at 21 SEER2 with 10 HSPF2, this Energy Star system helps reduce energy costs and is eligible for federal tax rebates. It features an intelligent defrost function and operates reliably in extreme temperatures from -22°F to 118°F, ideal for diverse U.S. climates. This split system integrates advanced inverter technology for year-round efficiency.
ROVSUN 4 Zone 35000 BTU Mini Split AC and Heating System
This ROVSUN 35,000 BTU 4-zone mini split features four equal 12,000 BTU indoor units and uses inverter compressor technology for efficient heating and cooling. It handles outdoor temperatures ranging from -13°F to 131°F, making it suitable for varied climates. The system has a 19 SEER2 rating and includes energy-saving features like automatic defrost, iFEEL mode, and a turbo function. Certifications from ETL and AHRI ensure electrical safety and performance. It suits both residential and commercial spaces.
KLOLKUTTA Mini Split Line Set Cover for Outdoor Units
The KLOLKUTTA 4” 7.5 Ft Mini Split Line Set Cover is designed to protect and conceal plumbing lines for outdoor mini split units. It fits various brands and systems with capacities from 7,000 to 18,000 BTU and up to 36,000 BTU. The kit includes multiple straight ducts to accommodate specific line set configurations. Its durable PVC construction shields pipes from weather elements like snow and rain, helping extend the longevity and efficiency of mini split systems.
Buying Guide for 4 Unit Mini Split Systems
When selecting a 4 unit mini split system, consider the following essential factors to ensure it meets your home’s needs:
- BTU Capacity and Room Size: Confirm the system’s cooling/heating BTU capacity matches your total square footage and individual room sizes to avoid underperformance or energy waste.
- Energy Efficiency Ratings: Look for SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings to identify systems that provide considerable energy savings. Higher SEER ratings indicate better efficiency.
- Installation Components: Ensure the package includes essential installation kits such as copper line sets, drain pipes, and mounting accessories to simplify setup.
- Climate Compatibility: Choose units designed to operate efficiently within the temperature extremes of your geographic region, including freeze protection and defrost features for cold climates.
- Smart Home Integration: Features like WiFi connectivity and compatibility with Alexa or Google Assistant offer convenient remote control and automation.
- Individual Zone Control: The ability to independently adjust temperatures in each indoor unit increases comfort and allows energy saving by conditioning only occupied rooms.
- Certifications and Warranty: Verify ETL, AHRI, and Energy Star certifications for safety, quality, and performance assurance. A good warranty covers potential issues post-purchase.
- Noise Level and Aesthetics: Select indoor units that operate quietly and blend well with your interiors for an unobtrusive experience.
Taking these aspects into account will help you find the best 4 unit mini split system tailored to your home’s climate control needs and energy goals.