Description
MRCOOL DIY 5th Gen Mini Split – 6-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 9K + 9K + 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, two 9K and three 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, 9K, and 6K cassettes provides tailored heating and cooling for rooms of different sizes.
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DIY-Friendly Setup – Pre-charged No-Vac line sets enable fast, easy installation without special tools.
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Discreet Ceiling Design – Ceiling cassette air handlers deliver quiet, even airflow while keeping walls and floors free.
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Efficient Year-Round Performance – Inverter heat pump technology ensures reliable cooling in summer and efficient heating in winter.
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Independent Zone Control – Each cassette operates separately for precise comfort and energy savings in every room.
Q&A
Q: Can each room be controlled separately?
A: Yes, each cassette has independent thermostat control for precise zoning.
Q: Is it suitable for both heating and cooling?
A: Yes, it’s a heat pump system, providing efficient year-round comfort.
Q: What makes it DIY-friendly?
A: The No-Vac pre-charged line sets allow simple installation without specialized tools or professional licensing.
Q: Who is this package best for?
A: Homeowners with a mix of large, medium, and small rooms, needing balanced comfort across the entire home.
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 accumulation.
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Inspect condensate drain lines in all zones to prevent clogs and leaks.
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Ensure pre-charged line set connections remain secure and leak-free.
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Keep the outdoor condenser clear of debris, leaves, and obstructions.
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Test smart controls and remotes in each zone to confirm proper function.
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Schedule annual professional servicing to maintain efficiency and system longevity.
Reviews
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