Multi zone mini split heat pumps offer flexible and energy-efficient heating and cooling solutions for different rooms in your home. These ductless systems allow independent temperature control for each zone, enhancing comfort while reducing energy costs. Below is a summary table highlighting the key features of the best available units.
| Product | BTU Capacity | Energy Efficiency | Zones | Special Features |
|---|---|---|---|---|
| COSTWAY 18k Dual 2 Zone | 9000 + 9000 BTU | 22 SEER2, Energy Star | 2 | WiFi enabled, R32 refrigerant, 6 modes |
| DELLA 18K BTU ODU 2 Dual Zone | 12000 + 12000 BTU | 19 SEER2, ETL Listed | 2 | Alexa compatible, 16ft installation kit |
| COSTWAY 30k Quad 4 Zone | 9000 + 9000 + 9000 + 18000 BTU | 23 SEER2, Energy Star | 4 | WiFi enabled, wide temperature range |
| DELLA 27K BTU ODU 2 Dual Zone | 12000 + 18000 BTU | 19 SEER2, ETL Listed | 2 | Alexa compatible, pre-charged unit |
| SIMOE 18K Dual 2 Zone Mini Split | 9000 + 9000 BTU | 22 SEER2, Energy Star | 2 | WiFi and voice control, operates to -13℉ |
COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner
The COSTWAY 18k Dual 2 Zone Mini Split is designed to independently adjust temperatures across two zones with 9000 BTU each, making it suitable for multi-room setups. It features a chassis heating function to protect outdoor units in extreme temperature ranges from -13℉ to 125℉. This unit boasts an impressive 22 SEER2 rating and uses eco-friendly R32 refrigerant, ensuring energy efficiency and a lower environmental impact. Its 6 operating modes include auto, cool, heat, dry, fan, and sleep, with 5 adjustable fan speeds and auto swing features for enhanced comfort. Certified by ETL and AHRI, this model is a reliable solution for efficient multi-zone climate control.
DELLA 18K BTU ODU 2 Dual Zone Mini Split
The DELLA 18K BTU ODU 2 Dual Zone mini split system includes two indoor units rated at 12,000 BTU each, ideal for spaces up to 1100 square feet. With a 19 SEER2 rating and DC inverter technology, it achieves up to 30% power savings. Although it does not support the self-cleaning function, it is ETL listed and AHRI certified for quality and safety compliance. The pre-charged heat pump can operate in temperatures as low as 5℉. It includes 16-foot copper line sets and installation kits, simplifying setup. Compatible with Alexa, it allows smart climate management for individual rooms.
COSTWAY 30k Quad 4 Zone Mini Split Air Conditioner
With four indoor units totaling 30,000 BTU capacity, the COSTWAY 30k Quad 4 Zone system caters to larger homes requiring diverse temperature control across multiple rooms. Each zone can be individually adjusted for maximum comfort. Its 23 SEER2 energy rating and R32 refrigerant contribute to its energy-saving performance. The system supports a broad temperature range (-13℉ to 125℉) and multiple modes including auto, cool, heat, dry, fan, and sleep. Certified by ETL and AHRI, it provides dependable efficiency with smart controls through WiFi connectivity.
DELLA 27K BTU ODU 2 Dual Zone Mini Split AC Heat Pump
The DELLA 27K BTU ODU 2 Dual Zone mini split supports two indoor units—12,000 BTU and 18,000 BTU—offering flexible cooling and heating for up to 1550 square feet. Its pre-charged condenser and installer-friendly 16ft copper line sets enable quick installation. Certified to deliver 19 SEER2 efficiency, it contains a heat pump capable of functioning in temperatures down to 5℉. Alexa compatibility provides seamless remote control, and individual controllers allow easy management of each zone’s climate.
SIMOE 18K Dual 2 Zone Mini Split Air Conditioner Heat Pump
The SIMOE 18K Dual 2 Zone Mini Split features two 9000 BTU indoor units paired with an 18,000 BTU outdoor unit, providing customizable heating and cooling across two zones. Rated at 22 SEER2 and 10 HSPF2, it offers high energy efficiency and operates reliably in temperatures as low as -13℉. This unit is WiFi-enabled and supports voice control through Alexa and Google Assistant. Users can adjust temperatures between 60°F to 90°F, ensuring comfort year-round while benefiting from up to 50% energy savings compared to conventional systems.
Buying Guide for Multi Zone Mini Split Heat Pumps
BTU Capacity and Zone Requirements
Select a mini split system that matches the total cooling and heating load of your home. Each indoor unit has a designated BTU rating to cover a specific area; consider the size of each zone when choosing units. Larger homes or multiple room installations may benefit from 3 or 4 zone systems, while smaller spaces can use 2 zone models.
Energy Efficiency Ratings
SEER2 (Seasonal Energy Efficiency Ratio) and HSPF2 (Heating Seasonal Performance Factor) ratings indicate the unit’s efficiency. Higher ratings mean better energy savings. Look for Energy Star certified or equivalent certifications to ensure energy-efficient performance and reduced utility bills.
Climate Compatibility and Operating Temperature
For colder climates, verify if the heat pump can operate efficiently at low ambient temperatures (some models work as low as -13℉). This ensures reliable heating during winter months. Systems with chassis heating functions or advanced inverter technology help maintain outdoor unit performance in extreme conditions.
Installation Kits and Ease of Setup
Check if the product includes installation kits such as line sets, copper pipes, and drain hoses. Pre-charged outdoor units help simplify installation. Adequate accessories reduce labor costs and make the setup process more straightforward.
Smart Home Integration
WiFi-enabled systems with compatibility for Alexa, Google Assistant, or other smart home platforms facilitate convenient remote control and scheduling. Voice-controlled features and mobile apps can enhance user experience and provide energy management tools.
Operational Modes and Features
Look for units offering multiple modes — cooling, heating, dry, fan, auto, and sleep. Adjustable fan speeds, auto-swing vents, and timers contribute to customized comfort. Some units provide self-diagnosis and defrosting functions for maintenance ease.
Refrigerant Type
Modern mini splits use environmentally friendly refrigerants such as R32 with lower global warming potential (GWP). This ensures compliance with environmental standards and better energy efficiency.
Evaluating these factors will help identify the best multi zone mini split heat pump to fit your home’s heating and cooling needs while maximizing energy efficiency and comfort.