MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 12K + 12K + 12K + 12K 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 55K 5-Zone system includes one 18K and four 12K 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 22 SEER2 and 10.6 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
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High-Capacity 5-Zone System: 55,000 BTU total with a powerful 18K unit plus four 12K ceiling cassettes for balanced cooling and heating.
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Year-Round Comfort: Efficient heat pump technology ensures reliable performance in all seasons.
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DIY-Friendly Installation: Simplified setup designed for easy, professional-quality self-installation.
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Quiet, Discreet Design: Ceiling cassette air handlers operate silently and integrate smoothly into any space.
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Energy Efficient Inverter Technology: Maximizes energy savings while maintaining optimal climate control
Q&A
Q: What is the MRCOOL DIY 5th Gen Mini Split system?
A: A 5-zone, 55,000 BTU ductless air conditioner and heat pump with ceiling cassette air handlers for customizable climate control.
Q: What air handler sizes are included?
A: One 18K BTU and four 12K BTU ceiling cassette air handlers.
Q: Is installation easy?
A: Yes, designed for DIY installation without the need for professional HVAC services.
Q: Does it provide both heating and cooling?
A: Yes, it offers year-round comfort with both air conditioning and heat pump functionality.
Q: What types of spaces is this system best for?
A: Ideal for larger homes or office spaces requiring efficient multi-zone climate control.
Q: How energy efficient is the system?
A: It uses inverter technology and zoning to maximize energy savings and reduce costs.
Maintenance Tips
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Clean or replace air filters every 1-3 months.
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Keep the outdoor condenser free of dirt and debris.
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Inspect and clean ceiling cassette air handlers quarterly.
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Check for refrigerant leaks and unusual noises regularly.
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Schedule annual professional maintenance.
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Maintain clear airflow around all indoor and outdoor units.
