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, and eligibility for a Limited Lifetime warranty through the MRCOOL® Care Program (with registration). 9k BTU Voltage Coverage SEER2 HSPF2-4 Application 115V Up to 400 sq. ft. 21.5 9.0 Small rooms, bedrooms, offices Key Features: ✅ 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; Limited Lifetime with MRCOOL® Care registration