MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 12K + 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 four 12K 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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Top-tier efficiency: 5th Gen MRCOOL system delivers powerful 55,000 BTU cooling and heating across 5 zones, optimizing comfort and energy savings.
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Flexible installation: DIY-friendly design with pre-charged line sets reduces setup time and costs, perfect for homeowners and pros alike.
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Versatile air handlers: Four 12,000 BTU and one 6,000 BTU ceiling cassette units provide balanced airflow tailored to each room’s needs.
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Smart climate control: Advanced heat pump technology ensures reliable heating even in colder climates, extending seasonal usability.
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Quiet performance: Engineered for low noise operation, ideal for bedrooms, offices, and living spaces.
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Durability & support: Backed by MRCOOL’s trusted warranty and customer service for peace of mind.
Q&A
Q: What is the MRCOOL DIY 5th Gen Mini Split?
A: It’s a 5-zone, 55,000 BTU ductless air conditioner and heat pump system with five ceiling cassette air handlers for efficient cooling and heating.
Q: How many zones does this system support?
A: Five zones, including four 12,000 BTU and one 6,000 BTU ceiling cassette units.
Q: Is installation DIY-friendly?
A: Yes, it’s designed for easy do-it-yourself installation without professional help.
Q: What are the main benefits?
A: Zoned climate control, energy efficiency, quiet operation, and year-round comfort.
Q: Can it both heat and cool?
A: Yes, it functions as both an air conditioner and heat pump for versatile climate control.
Q: What spaces are ideal for this system?
A: Medium to large homes, multi-room areas, or spaces needing individualized temperature control.
Maintenance Tips
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Clean or replace air filters every 1-2 months.
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Keep outdoor condenser unit free from leaves, dirt, and debris.
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Maintain clear space around the outdoor unit for airflow.
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Wipe down indoor ceiling cassette air handlers regularly.
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Schedule annual professional inspections and servicing.
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Check refrigerant levels and system operation annually.
