The 5th Generation MRCOOL® Advantage Series offers ductless mini-split systems combining affordability, efficiency, and eco-friendly operation. Available in various BTU sizes and voltages, these systems are designed for spaces from small rooms to large open areas. Each system features the R-454B refrigerant for enhanced energy efficiency, reduced greenhouse gas emissions, and a Global Warming Potential (GWP) that is ~80% lower than R-410A. All systems include Wi-Fi capability, enabling control through smartphones, Amazon Alexa, or Google Assistant. The systems must be installed by an HVAC professional and come with a 1-year parts warranty, 2-year compressor warranty, 

 

9k BTU Systems

Voltage	Coverage	SEER2	HSPF2-4	Application
115V	Up to 400 sq. ft.	21.5	9.0	Small rooms, bedrooms, offices
230V	Up to 400 sq. ft.	21.2	9.1	Small rooms, bedrooms, offices

 

12k BTU Systems

Voltage	Coverage	SEER2	HSPF2-4	Application
115V	Up to 550 sq. ft.	21.2	8.7	Medium-sized rooms, small living spaces
230V	Up to 500 sq. ft.	21.3	9.1	Medium-sized rooms, small living spaces

 

18k BTU System

Voltage	Coverage	SEER2	HSPF2-4	Application
230V	Up to 800 sq. ft.	19.2	9.3	Large bedrooms, living rooms, small open-plan areas

 

24k BTU System

Voltage	Coverage	SEER2	HSPF2-4	Application
230V	Up to 1,050 sq. ft.	18.7	9.3	Large living areas, open-plan spaces

 

36k BTU System

Voltage	Coverage	SEER2	HSPF2-4	Application
230V	Up to 1,550 sq. ft.	18.0	8.5	Extra-large spaces, large open-plan homes, light commercial

 

Key Features Across All Systems:

✅ R-454B Refrigerant – 80% lower GWP than R-410A
✅ Wi-Fi Built-in – Control with smartphone, Alexa, Google Assistant
✅ Quiet Operation – Designed for whisper-quiet comfort
✅ Ductless Design – Faster, lower-cost installation
✅ Warranty – 1 year on parts, 2 years on compressor;