MRCOOL DIY 5th Gen Mini Split - 5-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 12K + 12K + 12K + 6K Wall Mount Air Handlers - DIY5-5Z-48HP-18K12K12K12K6K
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 5-Zone system includes one 24K, two 12K and two 9K 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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Custom 5-Zone Comfort: Five wall-mounted air handlers (18K + 12K + 12K + 12K + 6K) provide tailored heating and cooling for multiple rooms.
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Powerful 48,000 BTU Capacity: Efficiently manages climate for larger homes or open layouts with consistent performance.
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Ductless Design: Simplifies installation without the need for extensive ductwork and maximizes flexibility.
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Heat Pump Functionality: Offers both heating and cooling for year-round comfort.
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DIY-Friendly Setup: Designed for straightforward homeowner installation with clear instructions.
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Energy-Efficient Inverter Technology: Adjusts output per zone to save energy while maintaining optimal comfort.
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Smart Control: WiFi-compatible and controllable via the MRCOOL app for remote operation and scheduling.
Q&A
Q: What is the MRCOOL DIY 5th Gen 5-Zone Mini Split?
A: A 48,000 BTU ductless air conditioner and heat pump condenser with five wall-mounted air handlers (18K + 12K + 12K + 12K + 6K) for customizable heating and cooling across multiple rooms.
Q: What are the key benefits?
A: Multi-zone independent temperature control, energy-efficient operation, DIY-friendly installation, WiFi smart control, and quiet, even airflow for large homes.
Q: How does the 5-zone system help?
A: Each zone can be set independently, providing tailored comfort and energy savings in every room.
Q: Who is this system ideal for?
A: Homeowners needing flexible, ductless heating and cooling for large spaces, multi-room layouts, or retrofit installations without major construction.
Q: What makes it stand out?
A: High BTU capacity, versatile wall-mounted air handlers, smart app control, and easy DIY installation for total home comfort.
Maintenance Tips
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Clean Filters Monthly: Wash or vacuum each wall unit filter to maintain airflow and efficiency.
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Keep Outdoor Condenser Clear: Remove debris, leaves, and dust for optimal heat exchange.
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Inspect Refrigerant Lines: Check for leaks or damage to maintain performance.
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Ensure Proper Airflow: Keep vents and surrounding areas unobstructed for balanced cooling and heating in all zones.
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Maintain Drain Lines: Clear condensate lines regularly to prevent clogs and water damage.
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Seasonal Professional Check: Schedule annual inspections for coils, electrical connections, and refrigerant levels.
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Use MRCOOL App: Monitor performance, set schedules, and receive maintenance alerts.
