Mini split systems with auxiliary heat provide versatile and energy-efficient solutions for both cooling and heating your home. These ductless units come equipped with heat pumps and auxiliary heating to maintain comfort even in colder temperatures. Below is a summary table highlighting selected models with key features to help guide your choice.
| Model | BTU Capacity | SEER2 Rating | Heating Type | Coverage Area |
|---|---|---|---|---|
| COSTWAY 18k Dual 2 Zone Mini Split | 9000 + 12000 | 22 | Heat Pump with Auxiliary Heat | Multi-room zones |
| DELLA Vario Series 12000 BTU Mini Split | 12000 | 19 | Heat Pump with Inverter Technology | Up to 550 sq. ft. |
| COSTWAY 12000BTU Mini Split AC & Heater | 12000 | 20 | Heat Pump | Up to 750 sq. ft. |
| hykolity Wifi Enabled 12,000 BTU Mini Split | 12000 | 19 | Heat Pump with Heat Ratio Control | Up to 750 sq. ft. |
| Senville LETO Series Mini Split Air Conditioner | 18000 | 19 | Heat Pump with Inverter | Medium to large rooms |
Content Navigation
- COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner
- DELLA Vario Series 12000 BTU Mini Split Air Conditioner
- COSTWAY 12000BTU Mini Split Air Conditioner & Heater
- hykolity Wifi Enabled 12,000 BTU Mini Split Air Conditioner & Heater
- Senville LETO Series Mini Split Air Conditioner Heat Pump
- Buying Guide For Mini Split Systems With Auxiliary Heat
COSTWAY 18k Dual 2 Zone Mini Split Air Conditioner
This ductless mini split features dual-zone control with 9000 BTU and 12000 BTU capacities, allowing independent temperature management for two rooms. It operates efficiently with an impressive 22 SEER2 rating and uses environmentally friendly R32 refrigerant. The heat pump includes a chassis heating function to keep the outdoor unit operational in cold climates down to -13℉. Six operating modes, including heat, cool, dry, and sleep modes, are supported, along with five fan speeds and auto swing for enhanced comfort and air distribution.
DELLA Vario Series 12000 BTU Mini Split Air Conditioner
This unit provides efficient heating and cooling with a 19 SEER2 rating and 8.5 HSPF, certified by AHRI. It includes a pre-charged heat pump capable of operating down to -4℉, suitable for moderate climates. Smart features such as auto defrost, self-diagnosis and cleaning, I Feel temperature sensing at the remote control, and multiple fan speeds enhance usability and energy savings. Coverage spans approximately 550 sq. ft., ideal for bedrooms or small living areas.
COSTWAY 12000BTU Mini Split Air Conditioner & Heater
Equipped with a powerful compressor and a 1-ton heat pump, this Energy Star-certified unit cools rooms up to 750 sq. ft., with a 20 SEER2 rating for energy efficiency. It supports five modes including heat, cool, fan, dry, and auto, with four fan speed levels to cover different comfort needs. Features like a quiet operation, remote control with timer, ECO mode, and turbo function offer customized control along with low noise for peaceful environments.
hykolity Wifi Enabled 12,000 BTU Mini Split Air Conditioner & Heater
This WiFi-enabled mini split offers efficient year-round climate control with a 19 SEER2 rating and a built-in heat pump covering up to 750 sq. ft. It includes advanced features like 4D airflow for wider distribution, I Feel mode for personalized comfort, and energy-saving settings. The system utilizes variable frequency technology for optimized energy use, providing up to 30% savings, with an automatic defrost function to protect the unit in freezing conditions.
Senville LETO Series Mini Split Air Conditioner Heat Pump
The Senville LETO unit features an 18,000 BTU capacity heat pump designed for homes or businesses. It supports four primary functions: heating, cooling, dehumidifying, and fan operation. Certified UL and AHRI, this inverter-powered system is Alexa-enabled for voice control and auto scheduling. It operates effectively in temperatures down to 5℉ and includes turbo mode to rapidly achieve desired temperatures, making it a flexible solution for medium to large spaces.
Buying Guide For Mini Split Systems With Auxiliary Heat
Choosing the right mini split with auxiliary heat depends on several important factors to ensure comfort and energy efficiency:
- Heating Capacity and Climate Suitability: Verify the unit’s heat pump performance, especially the lowest outdoor operating temperature rating. Auxiliary heat supplements heating when temperatures drop below the heat pump’s effective range.
- Energy Efficiency Ratings: Look for the SEER2 (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Higher ratings indicate more efficient systems that reduce electricity consumption and operating costs.
- Room Size and Zoning: Match the BTU capacity to your room size for optimal comfort. Multi-zone units allow independent temperature control in different rooms, improving personalized comfort and energy savings.
- Installation Requirements: Most mini splits come with installation kits, but consider whether professional installation is required for refrigerant line setup and electrical connections. Pre-charged lines ease installation but verify length limits.
- Smart Features and Controls: WiFi compatibility, app control, voice assistant integration (Alexa), and programmable timers enhance convenience. Sensors like I Feel mode improve comfort by measuring temperature at remote control location.
- Noise Levels: Check indoor and outdoor unit sound specifications, especially for bedrooms or offices where quiet operation is essential.
- Environmental Impact: Choose systems utilizing R32 refrigerant or other low Global Warming Potential (GWP) refrigerants to reduce environmental footprint.
- Auxiliary Heat Source Type: Confirm whether auxiliary heat is electric resistance or supplemental heat pump boosting. Electric resistance can be less efficient but provides reliable backup heat.
By evaluating these factors, you can select a mini split system that balances reliable auxiliary heating capability with efficient cooling, modern controls, and environmentally responsible technology to keep your home comfortable year-round.