Description
MRCOOL DIY 5th Gen Mini Split – 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 18K + 9K + 9K + 6K Ceiling Cassette Air Handlers
Take control of your home’s comfort with the MRCOOL5th Gen DIYMulti-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 18K, two 9K and one 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 QuickConnectInstallation: 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 MRCOOLCare registration.
What our Experts Think
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Robust 5-zone cooling and heating: 55,000 BTU system efficiently manages varied room sizes with tailored climate control.
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Optimized air handler setup: Two 18K, two 9K, and one 6K ceiling cassette units provide balanced airflow and precise temperature control.
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DIY-friendly installation: Pre-charged line sets simplify setup, cutting installation time and cost.
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Advanced heat pump performance: Ensures efficient heating during colder seasons and reliable cooling year-round.
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Quiet, space-saving design: Ceiling cassette units reduce noise and blend seamlessly into ceilings.
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Reliable support and warranty: MRCOOL’s trusted service offers peace of mind for long-term use.
Q&A
Q: What is the MRCOOL DIY 5th Gen Mini Split?
A: A 5-zone, 55,000 BTU ductless air conditioner and heat pump with ceiling cassette air handlers (18K + 18K + 9K + 9K + 6K BTU).
Q: How is the system zoned?
A: Five zones with varying capacities for customizable comfort.
Q: Can I install it myself?
A: Yes, it’s designed for easy DIY installation—no professional needed.
Q: What are the main advantages?
A: Energy-efficient heating and cooling, quiet operation, and precise temperature control per zone.
Q: Ideal usage?
A: Perfect for multi-room homes requiring discreet, ceiling-mounted climate control.
Maintenance Tips
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Clean or replace air filters every 1-2 months for better airflow.
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Keep the outdoor condenser free from dirt, leaves, and debris.
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Maintain at least 2 feet of clearance around the outdoor unit.
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Regularly wipe down indoor ceiling cassette air handlers to prevent dust buildup.
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Schedule annual professional maintenance for refrigerant levels and system c
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