Mini split systems are an excellent choice for homeowners and businesses looking for efficient, space-saving HVAC solutions. Whether you need to cool a garage, sunroom, or larger living areas, selecting the right size and features is crucial. Below is a comparison of top mini split systems known for their size, efficiency, and advanced technology.
| Product | BTU Capacity | Coverage Area | Energy Efficiency | Special Features |
|---|---|---|---|---|
| DELLA 24000 BTU Mini Split AC | 24,000 BTU | Up to 1500 Sq. Ft. | 19 SEER2, DC Inverter | Alexa compatible, 4D airflow, turbo and eco modes |
| YITAHOME 18000 BTU Mini Split | 18,000 BTU | Up to 1250 Sq. Ft. | 19 SEER2, Inverter Technology | WiFi & Alexa-enabled, 5 modes, silent operation |
| MRCOOL Easy Pro 18,000 BTU | 18,000 BTU | Up to 800 Sq. Ft. | Efficient inverter system | Quiet operation, DIY installation |
| Manastin 12000BTU Mini Split | 12,000 BTU | Up to 750 Sq. Ft. | 17 SEER2, R32 refrigerant | Fast cooling/heating, multiple modes |
| MrCool Easy Pro 24k BTU 18.9 SEER2 | 18,900 BTU | Up to 1200 Sq. Ft. | 18.9-20.2 SEER2 | Durable gold fin condenser, heat pump |
Content Navigation
DELLA 24000 BTU Mini Split AC System
This 24000 BTU mini split from Della is equipped with 19 SEER2 energy efficiency and a heat pump that provides effective heating even in temperatures as low as -4℉ (-20℃). It is suitable for spaces up to 1500 square feet, making it one of the biggest mini split systems for residential or commercial use.
The system features 4D airflow control, allowing air to circulate up-down and left-right for optimal comfort. Multiple smart functions such as turbo mode for rapid temperature change, eco mode for energy saving, and sleep mode for quiet nights enhance usability. This ductless inverter system comes with a full installation kit, supporting hassle-free setup.
YITAHOME 18000 BTU Mini Split Air Conditioner Heat Pump
The YITAHOME mini split system provides 18,000 BTU capacity and covers up to 1250 square feet. It integrates innovative inverter technology ensuring up to 25% energy savings and operates quietly at under 47 decibels.
It supports five modes including auto, cool, dry, heat, and fan modes, with advanced features like WiFi control, Alexa compatibility, and health-focused modes such as negative ion and PM2.5 removal for improved air quality. This makes it ideal for modern smart homes seeking both comfort and convenience.
MRCOOL Easy Pro 18,000 BTU Ductless Mini-Split
MRCOOL’s 18,000 BTU Easy Pro Series mini split system is best suited for spaces up to 800 square feet. The unit offers great energy-efficient heating and cooling with a quiet operational noise profile that fits well in residential and small commercial environments.
This system emphasizes DIY-friendly installation, which reduces labor costs and installation mess. The heat pump allows year-round comfort, and its 230-volt inverter technology maximizes efficiency and durability.
Manastin 12000BTU Mini Split Air Conditioner & Heater
The Manastin 12000 BTU mini split offers a balance of power and efficiency covering rooms up to 750 square feet. It delivers fast cooling in 30 seconds and heating within 60 seconds, ideal for immediate comfort adjustments.
Equipped with advanced inverter technology at a 17 SEER2 rating, it uses environmentally friendly R32 refrigerant. The system features five operational modes and four fan speeds, including turbo and eco modes for optimized performance and energy savings.
MrCool Easy Pro 24k BTU 18.9 SEER2 Ductless Heat Pump
This 24,000 BTU MrCool Easy Pro system boasts a high 18.9 to 20.2 SEER2 rating, delivering efficient heating and cooling for rooms up to 1200 square feet. The system includes a heat pump with an HSPF2 rating of 11.2 for effective year-round climate control.
Durability is enhanced by a Gold Fin condenser coating which protects against corrosion, prolonging the system’s lifespan while maintaining efficiency. This unit is versatile and designed for reliable long-term use in larger spaces.
Buying Guide For Largest Mini Split Systems
1. BTU Capacity And Coverage Area
Choose a mini split system with a BTU rating that matches the size of the space you want to heat or cool. Systems under 12,000 BTU suit small to medium rooms, while those above 18,000 BTU can comfortably serve large rooms or small homes up to 1,500 square feet.
2. Energy Efficiency Ratings
Look for systems with high SEER (Seasonal Energy Efficiency Ratio) and HSPF (Heating Seasonal Performance Factor) ratings to reduce operating costs. Modern units typically offer ratings of 17 SEER2 and above, using inverter technology and eco-friendly refrigerants to maximize savings.
3. Heat Pump Capability
Models with heat pumps offer year-round comfort by providing both heating and cooling. Consider units that can operate efficiently in colder outdoor temperatures for extended seasonal use.
4. Installation Options and Kits
Some mini splits come with complete installation kits and support DIY installation, which can save on labor costs. However, ensure you or your installer have the required expertise for proper setup, especially for larger systems.
5. Smart Features And Controls
WiFi control, Alexa compatibility, timers, sleep modes, and multi-speed fans enhance convenience. These features allow you to customize comfort settings remotely and improve the system’s usability.
6. Noise Levels
Quiet operation is important, particularly for bedrooms and offices. Look for units with noise levels below 50 decibels for minimal disruption.
7. Durability And Warranty
Corrosion-resistant components such as gold fin condenser coils extend the lifespan of your system. Check the warranty duration for parts and labor, which reflects manufacturer confidence in durability.