MRCOOL DIY 5th Gen Mini Split - 6-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 6K + 6K + 6K + 6K + 6K Ceiling Cassette Air Handlers
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 6-Zone system includes one 12K and five 6K ceiling cassette 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 SEER2 and 10 HSPF2-4 for energy-efficient year-round comfort.
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Low-Profile Ceiling Cassette Design: Flush-mounted unit fits between standard ceiling joists for a clean, built-in look.
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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
Q&A
Q: What is the MRCOOL DIY 5th Gen Mini Split?
A: A 6-zone, 48,000 BTU ductless air conditioner and heat pump system with ceiling cassette air handlers for efficient, customizable climate control.
Q: How many zones does it support?
A: It supports 6 independent zones with one 12K BTU and five 6K BTU ceiling cassette air handlers.
Q: Is installation difficult?
A: No, it features DIY-friendly installation with no professional HVAC technician required.
Q: Does it provide heating as well as cooling?
A: Yes, it functions as both an air conditioner and a heat pump for year-round comfort.
Q: What types of spaces is this system ideal for?
A: Perfect for multi-room homes, offices, or spaces needing individual climate zones.
Q: Does it help save energy?
A: Yes, zoning and inverter technology improve energy efficiency and reduce utility costs.
Maintenance Tips
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Clean or replace air filters every 1-3 months.
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Keep the outdoor condenser unit free of leaves, dust, and debris.
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Inspect and clean ceiling cassette air handlers quarterly.
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Check for any refrigerant leaks or unusual noises regularly.
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Schedule annual professional maintenance for peak efficiency.
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Ensure proper airflow around indoor and outdoor units.
