Description
MRCOOL DIY 5th Gen Mini Split – 6-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 9K + 9K + 9K + 9K + 9K Ceiling Cassette Air Handlers – DIY5-6ZC-55HP-18K9K9K9K9K9K
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 55K 6-Zone system includes one 18K and five 9K ceiling cassette air handlers.
Features
- Customize mini-split system: choose the perfect line set length for each zone just above the “Add to Cart” button.
- Ultra-Efficient Cooling & Heating: Enjoy up to 22 SEER2 and 10.6 HSPF2-4 for energy-efficient year-round comfort.
- Low-Profile Ceiling Cassette Design: Flush-mounted unit fits between standard ceiling joists for a clean, built-in look.
- DIY-Friendly QuickConnect® Installation: No vacuuming or professional tools needed — pre-charged line sets make setup fast and simple.
- Smart Voice & App Control: Full control via SmartHVAC app, Alexa, Google Assistant, or included wireless remote.
- Eco-Conscious Refrigerant: Uses R-454B refrigerant with a low environmental impact.
- 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 Multi-Zone System: 55,000 BTU total with six ceiling cassette air handlers (18K + five 9K units) for balanced comfort throughout your home.
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DIY Installation: Simplified setup designed for homeowners—no professional required.
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Energy Efficient: Advanced inverter technology delivers quiet, cost-effective cooling and heating.
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Space-Saving Ceiling Cassettes: Discreet installation blends seamlessly into ceilings, optimizing room aesthetics.
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Smart Control Enabled: Compatible with Wi-Fi for remote monitoring and easy temperature adjustments.
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Flexible Zoning: Individual control of each zone maximizes comfort and energy savings.
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Durable & Reliable: Built with high-quality components for long-lasting performance.
Q&A
Q: What size area does the MRCOOL DIY 6-Zone Mini Split cover?
A: Ideal for multi-room spaces up to 3,000 sq. ft. needing flexible heating and cooling.
Q: What are the capacities of the included air handlers?
A: One 18,000 BTU and five 9,000 BTU ceiling cassette units for tailored zone control.
Q: Does this system offer both heating and cooling?
A: Yes, it functions as a heat pump and air conditioner for year-round comfort.
Q: Is the system suitable for DIY installation?
A: Yes, designed for easy DIY setup without specialized tools or refrigerant handling.
Q: What energy-saving features does it include?
A: Inverter technology ensures efficient operation and precise temperature control.
Maintenance Tips
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Clean or replace air filters in each indoor unit every 30–60 days
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Inspect and clear condensate drain lines monthly to prevent clogs
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Clean indoor coils and fan blades annually for optimal airflow
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Keep outdoor condenser unit area clear of debris with 2–3 feet clearance
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Schedule yearly professional service to check refrigerant levels and system performance
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Ensure ceiling cassette vents remain unobstructed for balanced airflow
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Regularly inspect electrical components for safety and efficiency
Reviews
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