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 rooms with the MRCOOL DIY Multi-Zone 48,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 12K + 24K. This 5th Gen system features an easy DIY installation with no need for special tools, HVAC certification, or professional installers. This configuration includes a 12,000 BTU air handler (ideal for ~500 sq ft) and a 24,000 BTU air handler (suitable for ~1,100 sq ft). Save thousands on labor and enjoy year-round comfort with a system designed to heat in winter and cool in summer. Backed by a 7-year compressor warranty (plus optional limited lifetime compressor coverage) and a 5-year parts warranty, it's a smart long-term investment.
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 – 12K + 24K is designed for seamless installation using pre-charged Quick Connect lines filled with R-454B refrigerant, meeting new EPA regulations while maintaining top performance. This eliminates the need for refrigerant charging or vacuuming. Step-by-step video guides are available to walk you through the process.
This ductless mini-split system heats, cools, and dehumidifies efficiently. The included remotes and the MRCOOL Smart Controller app (iOS & Android) provide flexible control from anywhere. It also supports voice commands via Amazon Alexa and Google Home.
Each indoor unit delivers directional airflow for consistent comfort across your spaces. If needed, a manual operation mode is accessible by lifting the front panel of each handler, ideal for post-install testing or emergencies.
In auto mode, the system adjusts output to reach your desired temperature quickly and efficiently. The dry mode maintains comfort while reducing humidity levels.
Sleep mode conserves energy overnight by slowly adjusting temperature over an 8-hour cycle, reducing utility costs without sacrificing comfort.
The MRCOOL DIY Multi-Zone 48,000 BTU 22 SEER2 Two-Zone Ductless Heat Pump Split System – 12K + 24K includes smart features like programmable timers, refrigerant leak alerts, and muting options for quieter operation. If a power outage occurs, the system automatically resumes your previous settings.
Maintenance is simple, with automatic alerts for filter cleaning and diagnostic codes shown on the LED display. Units can be cleaned with just a soft cloth to keep things running efficiently.
Features:
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Easy DIY® Installation
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Pre-charged DIY® Quick Connect Line Set
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Uses Eco-Friendly R-454B Refrigerant (EPA 2025 Compliant)
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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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Smartphone App Controls
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Lifetime Technical Support
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Follow Me® Feature
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Low Ambient Cooling
