MRCOOL DIY 4th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

DIY 4th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

Upgrade your home’s comfort with the MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 4-Zone Ductless Heat Pump Split System, designed for easy, do-it-yourself installation. With a powerful 48,000 BTU condenser, this system efficiently heats and cools four separate spaces—featuring three 9,000 BTU air handlers (each covering up to 350 sq. ft.) and a larger 18,000 BTU unit (ideal for up to 800 sq. ft.).

Installing your MRCOOL DIY system is a breeze with the Quick Connect pre-charged line set, which comes filled with eco-friendly R-410A refrigerant—eliminating the need for special tools, vacuum pumps, or professional assistance. Simply follow the step-by-step video guide, and enjoy your new climate-controlled home without expensive installation costs. This 4th Gen MRCOOL DIY system also offers expandability, allowing you to connect up to five indoor units to the same outdoor condenser for future flexibility.

Manage your home’s temperature with ease using the MRCOOL Smart Controller App, available for Apple and Android devices. This system also works seamlessly with Amazon Alexa and Google Home, so you can adjust settings with simple voice commands. Each air handler features an intuitive digital display, showing temperature settings, maintenance alerts, and troubleshooting codes—ensuring efficient operation and easy diagnostics.

Each of the four air handlers provides multi-directional airflow, ensuring even air distribution for consistent temperature control. Need to quickly test or force cooling? Simply activate manual operation mode using the hidden button under the front panel. For undisturbed sleep or work, use the mute function, which disables alerts and turns off the LED display, making it ideal for bedrooms, nurseries, and offices.

With its easy DIY installation, smart controls, and energy-efficient performance, the MRCOOL DIY Multi-Zone 48,000 BTU 4-Zone Ductless Heat Pump Split System is the perfect solution for keeping your home comfortable year-round—while saving money on installation and energy costs!

• Easy DIY® Installation
• "Pre-charged DIY®
• Quick Connect Line Set
• Simple to Use
• Multi-room Comfort
• Energy Efficient DC Inverter
• 100% Sealed System
• Gold Fin® Condenser
• Eco Safe R-410A Refrigerant
• Smartphone App Controls
• Lifetime Technical Support
• Follow Me® Feature
• Low Ambient Cooling
• 16ft Line Set for Each Air Handler
• Reach out to our team for pricing on longer Line Sets

Your Satisfaction with MRCOOL is Guaranteed:

• 5 Year Parts Warranty, 7 Year Compressor Warranty
• Lowest Price Guarantee