Description
MRCOOL DIY 5th Gen Mini Split – 6-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 12K + 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 55K 6-Zone system includes one 18K, one 12K and four 6K 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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Custom Multi-Zone Comfort – 55,000 BTU condenser paired with 18K, 12K, and 6K cassettes delivers tailored heating and cooling for different room sizes.
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DIY-Friendly Setup – Pre-charged No-Vac line sets enable quick, easy installation without professional tools.
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Discreet Ceiling Design – OuttaSight cassettes provide quiet, even airflow while keeping walls and floors uncluttered.
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Efficient Year-Round Performance – Inverter heat pump technology ensures reliable cooling in summer and energy-efficient heating in winter.
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Independent Zone Control – Each cassette operates separately, allowing precise comfort and energy savings room by room.
Q&A
Q: Can each room be controlled independently?
A: Yes, each cassette features its own thermostat control for precise zoning.
Q: Is it suitable for heating and cooling?
A: Yes, it’s a heat pump system, providing year-round comfort.
Q: Why is this system DIY-friendly?
A: No-Vac pre-charged line sets allow simple installation without special tools or professional refrigeration handling.
Q: Who is this setup ideal for?
A: Homeowners with large, medium, and multiple small rooms, needing flexible, zone-specific climate control.
Maintenance Tips
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Clean or replace air filters in each cassette every 1–2 months for consistent airflow.
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Wipe cassette panels and vents to reduce dust buildup.
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Inspect condensate drain lines across all zones to prevent clogs and water leaks.
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Ensure pre-charged line set connections remain secure and leak-free.
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Keep the outdoor condenser free of debris, leaves, and obstructions.
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Test remote and smart control functionality for all zones.
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Schedule annual professional maintenance to maintain efficiency and extend system lifespan.
Reviews
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