MRCOOL DIY 5th Gen Mini Split - 4-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 24K + 9K + 6K + 6K Wall Mount Air Handlers - DIY5-4Z-48HP-24K9K6K6K
Take control of your home’s comfort with the MRCOOL® 5th Gen DIY® Multi-Zone Mini Split System — the ultimate solution for efficient, customizable, and true DIY-friendly heating and cooling.
This powerful 48K BTU 4-Zone system includes one 24K, one 18K, one 9K and one 6K wall mounted air handlers.
Features
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Customize mini-split system: choose the perfect line set length for each zone just above the “Add to Cart” button.
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Ultra-Efficient Cooling & Heating: Enjoy up to 21.8 and 10 HSPF2-4 for energy-efficient year-round comfort.
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DIY-Friendly QuickConnect® Installation: No vacuuming or professional tools needed — pre-charged line sets make setup fast and simple.
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Smart Voice & App Control: Full control via SmartHVAC app, Alexa, Google Assistant, or included wireless remote.
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Eco-Conscious Refrigerant: Uses R-454B refrigerant with a low environmental impact.
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Industry-Leading Warranty: Includes 5-year parts, 7-year compressor, and lifetime replacement with MRCOOL® Care registration.
What our Experts Think
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Robust Zoned Comfort: Delivers 48,000 BTU heating and cooling across four zones, with a powerful 24K BTU main unit plus three 6K BTU handlers for flexible climate control.
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Easy DIY Installation: Pre-charged Quick Connect lines make setup fast and simple—no professional HVAC needed.
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Precision Temperature Control: Independent settings for each zone optimize comfort and reduce energy waste.
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Smart Connectivity: Compatible with MRCOOL app, Alexa, and Google Assistant for remote control and scheduling.
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Energy Efficient & Quiet: High SEER rating and inverter technology ensure low power use and quiet operation.
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Year-Round Reliability: Heat pump system performs efficiently in all seasons, backed by a strong manufacturer warranty.
Q&A
Q: What is the MRCOOL DIY 5th Gen 4-Zone Mini Split?
A: A 48,000 BTU ductless heat pump and air conditioner that efficiently heats and cools up to four zones with 24K + 6K + 6K + 6K wall-mounted air handlers.
Q: Can I install it myself?
A: Yes. The MRCOOL DIY system includes pre-charged Quick Connect lines, allowing simple installation with no professional HVAC tools required.
Q: Does it provide both heating and cooling?
A: Yes. It delivers powerful cooling in hot weather and reliable, efficient heating during colder months.
Q: How energy efficient is this unit?
A: Built with advanced inverter technology and high SEER2 efficiency, it offers quiet operation and reduced energy costs.
Q: What smart features does it include?
A: Built-in Wi-Fi lets you control each zone through the MRCOOL app, Alexa, or Google Assistant for flexible scheduling and comfort.
Q: What’s included in the package?
A: One 48K BTU condenser, four wall air handlers (24K + 6K + 6K + 6K), pre-charged line sets, communication cables, and installation accessories.
Q: Who is this system best for?
A: Ideal for multi-room homes, offices, or workshops needing customized comfort and energy-efficient temperature control.
Maintenance Tips
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Clean Filters Monthly: Wash indoor unit filters to maintain airflow and improve energy efficiency.
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Clear Outdoor Unit: Remove debris and dirt from the condenser for optimal heat exchange.
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Flush Drain Lines: Prevent clogs and leaks by regularly clearing condensate drains.
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Check Connections: Ensure refrigerant and electrical connections are secure and corrosion-free.
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Seasonal Inspection: Test system before peak cooling and heating seasons to avoid issues.
