MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 12K + 9K 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 four 12K and one 9K 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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Balanced 5-Zone Setup: 55,000 BTU system with four 12K and one 9K ceiling cassette units for tailored cooling and heating.
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All-Season Comfort: Reliable heat pump technology keeps your space comfortable year-round.
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DIY Installation Made Easy: User-friendly design enables quick, cost-effective self-installation.
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Quiet & Sleek Air Handlers: Ceiling cassettes run quietly and blend seamlessly with room aesthetics.
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Energy-Efficient Inverter Tech: Reduces power consumption while maintaining consistent temperatures.
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MRCOOL 5th Gen Quality: Proven durability and advanced features ensure long-lasting performance.
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 are the air handler sizes included?
A: Four 12K BTU and one 9K BTU ceiling cassette air handlers.
Q: Is installation DIY-friendly?
A: Yes, designed for easy, professional-free installation.
Q: Does it provide heating and cooling?
A: Yes, it offers both air conditioning and heat pump functions for year-round comfort.
Q: Which spaces is this system ideal for?
A: Perfect for multi-room homes or offices needing efficient zoned climate control.
Q: Is the system energy efficient?
A: Yes, featuring inverter technology and zoning to optimize energy use and lower utility bills.
Maintenance Tips
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Clean or replace air filters every 1-3 months.
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Keep outdoor condenser clear of dust 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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Ensure unobstructed airflow around indoor and outdoor units.
