MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 12K + 12K + 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 5-Zone system includes one 18K, two 12K and two 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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High Capacity, Multi-Zone Comfort: Delivers 55,000 BTU across 5 zones with versatile ceiling cassette air handlers (18K, 12K, 12K, 6K, 6K) for tailored climate control.
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Easy DIY Installation: Designed for straightforward, professional-quality setup without hiring contractors, saving both time and money.
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Energy Efficient Heat Pump: Uses advanced inverter technology for consistent comfort and reduced energy bills year-round.
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Quiet & Discreet: Ceiling cassette units provide near-silent operation, ideal for bedrooms, offices, or living spaces.
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Smart Control Compatibility: Supports remote management through smart thermostats and mobile apps.
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Trusted Brand Reliability: MRCOOL is known for durable HVAC products backed by strong warranties and customer support.
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 efficient multi-zone climate control.
Q: What are the sizes of the zones?
A: Zones include 18K, 12K, 12K, 6K, and 6K BTU ceiling cassette air handlers.
Q: Is the system easy to install?
A: Yes, it’s designed for DIY installation without the need for specialized HVAC tools.
Q: Does it provide heating and cooling?
A: Yes, it’s a heat pump system offering year-round heating and cooling.
Q: How does it improve energy efficiency?
A: Zoned control and high SEER ratings help reduce energy consumption and lower costs.
Q: What spaces is it best for?
A: Ideal for multi-room homes, offices, and spaces requiring customizable climate zones.
Q: Are ceiling cassette air handlers included?
A: Yes, five ceiling cassette units are included for a sleek, space-saving setup.
Maintenance Tips
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Clean or replace air filters every 1-3 months.
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Keep the outdoor condenser free of dirt and debris.
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Schedule annual professional inspections for refrigerant and system health.
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Regularly clear condensate drain lines to prevent clogs.
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Ensure airflow is not blocked around ceiling cassette units.
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Avoid covering or obstructing air handlers.
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Run the system regularly for optimal efficiency and longevity.
