Finding the best mini split AC heater combo can transform your home comfort by offering both effective cooling and heating in one energy-efficient system. These ductless systems save space, are quiet, and provide superior temperature control year-round. Below is a comparison table of the top 5 mini split AC heater combos available on Amazon, combining features such as WiFi control, inverter technology, and varying BTU capacities to fit different room sizes.
| Product | BTU / Coverage | Energy Efficiency | Smart Features | Brand |
|---|---|---|---|---|
| ROVSUN 11500 BTU Mini Split AC Heater | 11500 BTU | 17 SEER2 | WiFi, Alexa, Google Assistant | ROVSUN |
| hykolity 12,000 BTU Mini Split AC & Heater | 12,000 BTU / Up to 750 Sq.Ft. | 19 SEER2 | WiFi, Energy-Saving Modes | hykolity |
| COSTWAY 9000 BTU Mini Split AC Heater | 9000 BTU / Up to 450 Sq. Ft | 17 SEER2 | Remote Control, Sleep & Eco Modes | COSTWAY |
| MRCOOL Easy Pro 18,000 BTU Mini Split Heat Pump | 18,000 BTU / Up to 800 Sq.Ft. | Efficient Inverter | Smart WiFi Control, DIY Installation | MRCOOL COMFORT MADE SIMPLE |
| YITAHOME 9000 BTU WiFi Mini Split AC Heater | 12000 BTU / Up to 750 Sq. Ft | 19 SEER2 | WiFi, Alexa, Silent Operation | YITAHOME |
ROVSUN 11500 BTU Wifi Enabled Mini Split AC & Heater
This all-season integrated mini split combines cooling and heating with extra features like dehumidification and a fan function. The 17 SEER2 inverter technology enhances energy efficiency, saving up to 25% compared to typical 14 SEER2 units. Certified by ETL and AHRI, this unit operates efficiently in temperature ranges from 5°F to 122°F. Its WiFi compatibility allows voice control via Alexa or Google Assistant and mobile app control for convenient adjustments from anywhere. Additional conveniences include automatic defrosting, 24-hour timer, wind swing, and various operational modes such as ECO and sleep mode, making it an excellent energy-saving system for year-round comfort.
hykolity 12,000 BTU Mini Split Air Conditioner & Heater
The 12,000 BTU hykolity mini split offers a powerful 1-ton heat pump and high-power compressor that quickly cools or heats rooms up to 750 square feet. Rated 19 SEER2 and 8.5 HSPF2, it ensures up to 30% energy savings while operating quietly. WiFi control enables smart adjustments, while features like 4D airflow, I Feel mode, and multiple fan speeds provide comfortable air circulation tailored to user preferences. The unit also includes eco-friendly modes and automatic defrost functions to extend unit life and enhance efficiency during colder months.
COSTWAY 9000 BTU Mini Split Air Conditioner & Heater
The COSTWAY 9000 BTU mini split combines a high-power compressor with a 0.75-ton heat pump, offering energy-efficient cooling and heating that suits areas up to 450 square feet. Its inverter technology reduces power consumption by adjusting frequency instead of frequently turning the compressor on and off. Five working modes—auto, cool, dry, heat, and fan—with four fan speeds provide versatility. Features like iFEEL, ECO, sleep mode, and a silent operation ensure comfort and convenience. The remote control’s display turns off automatically to avoid disturbance during sleep.
MRCOOL Easy Pro 18,000 BTU Ductless Mini-Split Heat Pump
This 18,000 BTU MRCOOL Easy Pro ductless mini split is designed for heating and cooling spaces up to 800 square feet. The unit features whisper-quiet operation and inverter technology for efficient performance. Its DIY-focused design simplifies installation, reducing mess and professional costs. Integrated WiFi allows for smart control and scheduling, providing reliable temperature management throughout all seasons while keeping energy use low.
YITAHOME 9000 BTU WiFi Mini Split Air Conditioner & Heater
The YITAHOME 12,000 BTU mini split supports cooling and heating for areas up to 750 square feet with 19 SEER2 energy efficiency. It features WiFi control, Alexa compatibility, and ultra-quiet operation under 41 dB thanks to vibration-dampening technology. Multiple modes include auto, cool, dry, heat, fan, plus a unique “HEALTH” mode with negative ion and dust removal features. The 4D air circulation and specialized fan blades ensure consistent airflow, ideal for bedrooms, offices, or any household space.
Buying Guide for Mini Split AC Heater Combos
When choosing the best mini split AC heater combo, consider the following key factors to ensure the system meets your home comfort needs efficiently and effectively:
BTU Rating and Room Size
BTU (British Thermal Units) rating determines the cooling and heating capacity. Select a mini split with a BTU rating that matches your room size. Undersized units will struggle to maintain comfort, while oversized units may cycle excessively leading to inefficiency.
Energy Efficiency Ratings
Look for high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings. Higher SEER and HSPF values indicate better energy savings and lower monthly costs. Modern inverter technology greatly enhances efficiency by varying compressor speed.
Heating Capabilities and Defrost Function
The heat pump should be able to operate effectively in your climate’s lowest temperatures. Automatic defrost is essential to prevent ice buildup on the outdoor unit during winter, maintaining heating efficiency.
Smart and Remote Controls
WiFi-enabled units with app control and voice assistant compatibility (Alexa, Google Assistant) offer convenience for temperature adjustments remotely. Features like scheduling, timers, sleep mode, and energy-saving modes optimize comfort and electricity use.
Installation and Maintenance
Consider whether professional installation is required or if the system supports DIY installation to save cost. Also, review ease of maintenance including washable filters and accessible components to prolong the unit’s life.
Noise Levels
Quiet operation is important for bedrooms or offices. Look for units with sound ratings and technologies that reduce vibration and fan noise, typically under 50 dB for comfortable environments.
Additional Features
- Multiple fan speeds and air swing for even distribution
- Air purification or “health” modes if sensitive to allergens
- Timer and sleep mode for overnight comfort without energy waste
- Warranty and customer support to ensure peace of mind