MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 9K + 9K + 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 5-Zone system includes two 12K, two 9K and one 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 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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Efficient Multi-Zone Climate Control: Five independent zones (12K + 12K + 9K + 9K + 6K BTU) offer customized comfort for different rooms or areas.
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Powerful 55,000 BTU Capacity: Handles both cooling and heating needs effectively with integrated heat pump technology.
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User-Friendly DIY Installation: 5th Gen design enables straightforward, do-it-yourself setup, saving time and installation costs.
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Space-Saving Ceiling Cassette Units: Discreet air handlers blend seamlessly into ceilings, maintaining aesthetics and quiet operation.
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Energy-Smart Performance: High SEER ratings and inverter tech deliver strong energy efficiency and lower utility bills.
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 (12K + 12K + 9K + 9K + 6K BTU).
Q: Is this system easy to install?
A: Yes, it’s designed for easy DIY installation with no professional required.
Q: How many zones does it support?
A: It supports 5 separate zones for customizable heating and cooling.
Q: Can it provide both heating and cooling?
A: Yes, it functions as both an air conditioner and heat pump for year-round comfort.
Q: What are ceiling cassette air handlers?
A: Compact units mounted in the ceiling that deliver efficient, even airflow without occupying wall space.
Q: Is the system energy efficient?
A: Yes, it features inverter technology for optimal energy savings and performance.
Maintenance Tips
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Clean air filters monthly to maintain airflow and efficiency.
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Keep outdoor condenser clear of debris and dust.
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Check and clear condensate drain lines to prevent clogs.
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Inspect refrigerant levels annually with a professional.
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Schedule yearly professional maintenance for system checkups.
