Dual fuel mini splits offer versatile, energy-efficient solutions for heating and cooling multiple rooms independently. This guide highlights top models designed for American homes and businesses, featuring WiFi connectivity, high SEER2 ratings, and advanced inverter technology. Explore models with varied BTU capacities, smart controls, and robust heat pumps that perform well in diverse climates. Below is a summary table to compare key dual fuel mini splits selected from Amazon.
| Model | BTU Capacity | SEER2 Rating | Coverage Area | Special Features |
|---|---|---|---|---|
| COSTWAY 18k Dual 2 Zone | 9000 + 12000 | 22 SEER2 | Multi-room | Wifi Enabled, R32 Refrigerant, 6 Modes |
| Hykolity 18000 BTU Dual Zone | 9000 + 9000 | 20 SEER2 | Multi-zone | Wifi, Heat Pump, Turbo Function |
| DELLA 18K BTU ODU 2 Dual Zone | 9000 + 9000 | 19 SEER2 | Up to 800 Sq.Ft | Alexa Compatible, Pre-Charged, Heat Pump |
| ROVSUN 20000 BTU Dual Zone | 12000 + 12000 | 20 SEER2 | Multi-room | Pre-Charged Condenser, Heat Pump, 25Ft Line Set |
| Senville 28000 BTU Dual Zone | 2 Ton (28000) | Energy Star Certified | Multiple Rooms | Alexa Enabled, Arctic Heat Pump, Ultra High Efficiency |
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COSTWAY 18k Dual 2 Zone Mini Split AC
The COSTWAY 18k dual-zone mini split offers a multi-room cooling solution with two indoor units—9000 BTU and 12000 BTU—allowing independent temperature control, perfect for different rooms’ comfort requirements. It features a robust chassis heating function enabling operation in extreme climates ranging from -13℉ to 125℉. The unit uses environmentally friendly R32 refrigerant, achieving 22 SEER2 efficiency and low global warming potential. Certified by ETL and AHRI, it supports six operating modes including auto, cool, heat, dry, fan, and sleep, complemented by five adjustable fan speeds and auto swing for enhanced air distribution. This ductless system offers energy savings and refined climate versatility.
Hykolity 18000 BTU Dual Zone Wifi Enabled Mini Split
Hykolity’s dual zone mini split features an 18,000 BTU outdoor condenser paired with two 9000 BTU indoor handlers, each with independently controlled zones for precise temperature adjustments. The built-in heat pump offers quick and efficient heating and cooling, supporting temperatures between 61℉ and 88℉. Rated 20 SEER2 and 8.5 HSPF2, this unit is ETL listed and AHRI certified, with variable frequency inverter technology boosting energy efficiency up to 30%. It includes automatic defrosting to maintain performance and extend lifespan. Modes include dehumidifier and turbo speed for rapid comfort adjustment.
DELLA 18K BTU ODU 2 Dual Zone Wifi Mini Split
The DELLA 18K BTU dual zone mini split features a 19 SEER2 inverter system with a pre-charged outdoor condenser and two indoor controllers for independent room control. Designed to cover up to 800 sq. ft. (400 sq. ft. per indoor unit), it works efficiently in low temperatures down to 5℉. ETL and AHRI certified, this ductless mini split includes copper pipes and installation kits for ease of setup. It supports all-season cooling and heating but does not perform self-cleaning despite the option appearing on controls. It’s an energy-conscious choice with a reliable heat pump and inverter technology.
ROVSUN 20000 BTU Dual Zone WIFI Mini Split AC/Heating
ROVSUN’s 20,000 BTU dual zone mini split comes with two 12,000 BTU indoor air handlers and a powerful heat pump, designed for precise climate control in separate rooms. The system supports a temperature range from -13℉ to 131℉ featuring automatic defrost, self-diagnosis, iFEEL mode, and 4-way air swing. The innovative inverter technology delivers up to 30% energy savings with ETL and AHRI certification. A 25-foot copper line set comes pre-charged for convenient installation. Its multi-function modes include dehumidifying and silent operation, suitable for both home and commercial environments.
Senville 28000 BTU Dual Zone Mini Split Air Conditioner
The Senville 28000 BTU dual zone mini split is built for significant multi-room coverage, suitable for homes requiring powerful climate solutions in up to two rooms. The system is Alexa enabled, allowing voice commands and remote app control for convenience and energy management. Its Arctic heat pump supports temperatures as low as -22°F, making it ideal for cold climates. Certified by Energy Star, ETL, and AHRI, this ductless system is designed for ultra-high efficiency and reliable performance using 208-230V power supply.
Buying Guide: How to Choose the Best Dual Fuel Mini Split
Choosing the right dual fuel mini split involves several factors impacted by your home’s size, climate, installation preferences, and energy efficiency goals.
Heating and Cooling Capacity
Select a mini split with BTU ratings matching your space requirements. Each indoor unit covers a recommended square footage—calculate the total area each unit will service for effective performance.
Energy Efficiency Ratings
Look for high SEER2 (Seasonal Energy Efficiency Ratio) and HSPF2 (Heating Seasonal Performance Factor) ratings, which ensure lower electricity use and operational costs. Certifications from ETL, AHRI, and Energy Star indicate reliability and compliance with industry standards.
Multi-Zone Temperature Control
Opt for systems supporting multiple indoor units with independent thermostats, enabling distinct climate settings per room — essential for homes with varied usage and occupant preferences.
Climate Compatibility
Check if the mini split’s heat pump operates efficiently in your local temperature range, especially if you experience extremely low or high ambient conditions.
Connectivity and Smart Features
Models equipped with WiFi, app control, and voice assistant compatibility like Alexa enhance convenience and energy management remotely.
Installation Considerations
Pre-charged systems with included copper piping and installation kits simplify setup. Verify compatibility with your home’s electrical supply (commonly 208-230V) and space available for outdoor condenser placement.
Refrigerant Type and Environmental Impact
Modern mini splits often use R32 refrigerant with lower global warming potential (GWP), making them environmentally friendlier compared to older refrigerants.
Additional Functions
Features like multiple modes (auto, dry, fan, sleep), auto swing, defrosting, and self-diagnosis can improve comfort, convenience, and maintenance ease.
Evaluating these aspects helps select a dual fuel mini split best suited to your home’s climate demands, room configurations, and efficiency targets.