MRCOOL DIY 5th Gen Mini Split - 4-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 9K + 6K + 6K + 6K Wall Mount Air Handlers - DIY5-4Z-48HP-9K6K6K6K
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 9K and three 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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High-Capacity 4-Zone System: 48,000 BTU with one 9K and three 6K handlers for efficient cooling and heating across multiple rooms.
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DIY Installation Friendly: Pre-charged Quick Connect lines simplify setup—no professional HVAC needed.
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Precise Zoned Control: Independent temperature settings for each zone maximize comfort and reduce energy use.
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Smart Home Integration: Compatible with MRCOOL app, Alexa, and Google Assistant for easy remote control.
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Quiet & Efficient: Inverter technology ensures low noise and high energy efficiency.
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Reliable Year-Round Performance: Heat pump delivers consistent heating and cooling with a strong 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 system with 9K + 6K + 6K + 6K wall-mounted air handlers for efficient multi-zone heating and cooling.
Q: Is it DIY-installation friendly?
A: Yes. Pre-charged Quick Connect lines allow easy self-installation without professional tools.
Q: Does it provide both heating and cooling?
A: Yes. It delivers efficient cooling in summer and reliable heating in winter.
Q: How energy efficient is it?
A: With inverter technology and high SEER2 ratings, it ensures quiet operation and energy savings.
Q: Are smart controls included?
A: Yes. Built-in Wi-Fi lets you control zones via the MRCOOL app, Alexa, or Google Assistant.
Q: What’s included in the package?
A: One 48K BTU outdoor condenser, four indoor air handlers (9K + 6K + 6K + 6K), pre-charged line sets, communication cables, and installation accessories.
Q: Who is this system designed for?
A: Ideal for homes or offices needing customizable, energy-efficient temperature control across four zones.
Maintenance Tips
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Clean Filters Monthly: Wash indoor filters to maintain airflow and energy efficiency.
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Keep Outdoor Unit Clear: Remove debris and dirt for effective heat exchange.
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Flush Drain Lines: Prevent clogs and leaks by clearing condensate drains regularly.
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Inspect Connections: Check refrigerant and electrical fittings for tightness and corrosion.
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Seasonal Check: Run a system test before peak cooling and heating seasons.
