The MRCOOL Advantage 5th Generation 9K BTU Mini-Split System is a high-efficiency, professional-grade ductless heating and cooling solution. Built for long-term reliability and low environmental impact, it uses eco-friendly R-454B refrigerant and features built-in Wi-Fi control. This system is ideal for rooms up to about 400 sq ft and must be installed by a licensed HVAC technician for proper performance and warranty.
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