Mini split systems with heating capabilities provide an excellent solution for maintaining comfortable indoor temperatures throughout the year. These ductless units combine cooling and heating functions in one system, offering energy efficiency and convenience for spaces up to 800 square feet. Below is a summary table featuring top mini splits that deliver reliable heating and cooling performance.
| Product | BTU Capacity | Energy Efficiency | Coverage Area | Smart Features |
|---|---|---|---|---|
| COSTWAY 12000BTU Mini Split | 12000 BTU | 20 SEER2, Inverter Technology | Up to 750 Sq. Ft | Remote control, 5 work modes |
| YITAHOME 12000 BTU Mini Split | 12000 BTU | 20 SEER2, Inverter | Up to 750 Sq. Ft | WiFi & Alexa compatible, 5 modes |
| Mountman 12000 BTU Mini Split | 12000 BTU | 19 SEER2, Energy Efficient | Up to 750 Sq. Ft | Remote control, Sleep and ECO modes |
| Senville LETO 24000 BTU Mini Split | 24000 BTU | SEER2 18 | 2 Ton (Approx. 1000+ Sq. Ft) | Alexa enabled, Turbo function |
| MRCOOL 18000 BTU Easy Pro Mini Split | 18000 BTU | Inverter, Energy Efficient | Up to 800 Sq. Ft | DIY installation, Heating & Cooling |
COSTWAY 12000BTU Mini Split Air Conditioner & Heater

This 12000 BTU mini split offers high energy efficiency with its inverter technology and 1 ton heat pump. Certified by AHRI, it provides effective cooling during summer and warming in winter, ideal for spaces up to 750 square feet. Its 5 operational modes (auto, cool, dry, heat, fan) and 4 fan speeds give flexibility for all-year comfort. The unit also features sleep and ECO modes to optimize energy use while supporting quiet operation. Users can conveniently control settings via a remote control including a 0.5-24 hour timer, with the display powering off automatically to avoid disturbance during sleep.
YITAHOME 12000 BTU Mini Split Air Conditioner Heat Pump System

Equipped with a high-power compressor and heat pump, this mini split features inverter technology that saves up to 25% energy. Its coverage extends to 750 square feet, fitting bedrooms, garages, and offices. It supports WiFi connectivity and Alexa compatibility, allowing users to control the system via voice and app. The unit offers five modes, including a specialized “HEALTH” mode that minimizes airborne dust and pollutants. Silent operation below 41 decibels ensures minimal noise impact, complemented by automatic defrosting and self-cleaning functions to maintain performance.
Mountman 12000 BTU Mini Split AC/Heating System

This 19 SEER2 rated mini split supports four modes (cool, heat, dry, fan) and multiple fan speeds to fit seasonal needs. It includes energy-saving ECO and turbo boost settings for quick climate control and an ultra-quiet sleep mode operating as low as 26 decibels. The unit’s remote control offers convenient temperature and timer adjustments, with automatic display shutoff to avoid disturbances. Maintenance is simple due to self-cleaning features, washable filters, and auto defrost that activates at temperatures as low as -4°F, ensuring continuous heating through cold weather.
Senville LETO Series 24000 BTU Mini Split Heat Pump

The Senville LETO is a powerful 2-ton (24000 BTU) mini split perfect for larger rooms or commercial spaces. Certified by UL and AHRI, it features a UL listed DC inverter and offers a 4-in-1 system function including air conditioning, heat pump, dehumidifier, and fan. It is Alexa compatible for smart home integration. With a turbo function for rapid heating or cooling, this stylish and functional unit suits a variety of applications from bedrooms to warehouses and stores.
MRCOOL 18000 BTU Ductless Inverter Mini Split

The MRCOOL 18000 BTU mini split combines cooling and heating in one ductless system designed for easy DIY installation. Covering up to 800 square feet, it balances powerful climate control with energy efficiency. This fifth-generation inverter system supports reliable all-year temperature management, making it a strong HVAC solution for homes, offices, or commercial spaces seeking an adaptable indoor climate without ductwork.
Buying Guide for Mini Split Systems with Heater
When selecting the best mini split system with heating capability, consider the following key factors:
Heating and Cooling Capacity
Choose a unit with the appropriate BTU rating for your space size. Common ratings range from 9000 to 24000 BTU, suitable for coverage between 400 and 1000+ square feet. Oversizing or undersizing can lead to inefficiency or inadequate comfort.
Energy Efficiency Ratings
Look for units with high SEER2 and HSPF2 ratings to ensure lower energy consumption in both cooling and heating modes. Inverter technology typically enhances efficiency by adjusting compressor speed to demand.
Operating Modes and Features
- Multiple modes like auto, cool, heat, dry, and fan provide flexibility for year-round comfort.
- Sleep and ECO modes reduce energy use and noise levels during rest periods.
- Self-cleaning and defrost functions reduce maintenance requirements and improve reliability during cold seasons.
Smart Controls and Connectivity
WiFi and voice assistant compatibility (Alexa) add convenience by enabling remote operation and scheduling. A responsive remote control with display and timers enhances control in the absence of smart home integrations.
Noise Levels
Quiet operation is critical for residential or office spaces. Seek models with noise output below 40 decibels, especially those offering “sleep mode” for ultra-quiet running at night.
Installation and Maintenance
Ensure the system comes with a comprehensive installation kit or is suited for professional installation per your DIY skill level. Washable air filters and easy access to components contribute to low maintenance demands.