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MrCool

MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 12K + 12K Ceiling Cassette Air Handlers

MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 12K + 12K Ceiling Cassette Air Handlers

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MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 12K + 12K 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 five 12K 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 QuickConnect® Installation: 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 MRCOOL® Care registration.
What our Experts Think

  • Powerful 5-Zone System: 55,000 BTU capacity with five 12K ceiling cassette units for consistent, whole-home comfort.

  • Versatile Cooling & Heating: Efficient heat pump technology delivers reliable year-round climate control.

  • DIY Installation Ready: Designed for easy self-installation, reducing costs and setup time.

  • Quiet & Stylish Air Handlers: Ceiling cassette units operate quietly and blend seamlessly with interiors.

  • Energy-Saving Inverter Tech: Optimizes power use, lowering energy bills without sacrificing performance.

  • MRCOOL 5th Gen Reliability: Advanced features and durable build ensure long-term, hassle-free operation.

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 for flexible climate control.

Q: What are the air handler sizes?
A: Five 12K 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 functions as both an air conditioner and heat pump.

Q: What spaces are best suited for this system?
A: Ideal for larger multi-room homes or office spaces needing zoned temperature control.

Q: Is the system energy efficient?
A: Yes, featuring inverter technology and zoning to optimize energy use and lower costs.

Maintenance Tips

  • Clean or replace air filters every 1-3 months.

  • Keep outdoor condenser clear of dirt and debris.

  • Inspect and clean ceiling cassette air handlers quarterly.

  • Monitor for refrigerant leaks and unusual noises.

  • Schedule yearly professional maintenance.