MRCOOL DIY Multi-Zone 5th Generation 48K BTU Two Zone Ductless Mini Split – A Heating and AC System You Can Install By Yourself!
Heat or cool two areas with the MRCOOL DIY Multi-Zone 48,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 9K + 18K. This 5th Gen DIY system is built for fast, straightforward installation that doesn’t require specialized tools or professional help, saving you thousands on labor costs. It includes one 9,000 BTU air handler (perfect for rooms up to 350 sq ft) and one 18,000 BTU air handler (ideal for spaces up to 800 sq ft). The heat pump design allows this system to operate efficiently year-round. Backed by a 7-year compressor warranty (plus limited lifetime coverage) and a 5-year parts warranty.
MRCOOL DIY 5th Gen Multizone 48,000 BTU systems can support up to FIVE indoor units.
The MRCOOL DIY Multi-Zone 48,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 9K + 18K comes with pre-charged Quick Connect line sets containing eco-friendly R-454B refrigerant. These allow for DIY installation without needing an HVAC technician. Follow the step-by-step video guide or use the included instructions to set it up yourself.
This unit cools in the summer, heats in the winter, and dehumidifies during the wet seasons. Each indoor unit features a digital display for room temperature and diagnostic codes, while the MRCOOL Smart Controller app allows full control from your smartphone. The system is also compatible with Amazon Alexa and Google Home for voice commands.
The included air handlers provide customizable airflow to evenly distribute heating or cooling across each space. You can also activate manual operation with the emergency button under the front panel to test or troubleshoot. In auto mode, the system automatically adjusts based on your desired temperature, and it includes a dedicated drying function for moisture control.
Sleep Mode helps you conserve energy and stay comfortable overnight, adjusting temperature over an 8-hour window.
The MRCOOL DIY Multi-Zone 48,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 9K + 18K includes features that make life easier — such as a programmable timer, refrigerant leak alerts, and mute settings that turn off system sounds and LED displays. In case of a power outage, the unit will restart with your previous settings.
Maintenance is simple, with filter cleaning alerts and an easy-to-use troubleshooting code system. Indoor units can be wiped clean with a damp or dry cloth to keep them performing their best.
Features:
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Easy DIY® Installation
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Pre-charged DIY® Quick Connect Line Set
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Simple to Use
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Multi-room Comfort
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Energy Efficient DC Inverter
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100% Sealed System
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Gold Fin® Condenser
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Eco Safe R-454B Refrigerant
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Smartphone App Controls
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Lifetime Technical Support
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Follow Me® Feature
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Low Ambient Cooling
