MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 6K + 6K 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 + 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 three 12K and two 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 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 cooling & heating: 55,000 BTU capacity with tailored air handlers for balanced comfort.

• Air handler setup: Three 12K and two 6K ceiling cassette units provide efficient, even airflow.

• DIY installation made easy: Pre-charged line sets simplify setup, reducing time and cost.

• Advanced heat pump: Efficient year-round heating and cooling performance.

• Quiet and space-saving: Ceiling cassettes operate quietly and blend seamlessly into ceilings.

• Reliable support: MRCOOL’s warranty ensures lasting peace of mind.

Q&A

Q: What is the MRCOOL DIY 5th Gen Mini Split?
A: A 5-zone, 55,000 BTU ductless AC and heat pump with ceiling cassette air handlers (12K + 12K + 12K + 6K + 6K BTU).

Q: How many zones does it support?
A: Five zones with varied capacities for tailored comfort.

Q: Can I install it myself?
A: Yes, it’s designed for easy DIY installation—no professional required.

Q: What are the key benefits?
A: Efficient heating/cooling, quiet operation, and precise zone control.

Q: What spaces is it ideal for?
A: Multi-room homes needing discreet, ceiling-mounted climate control.

Maintenance Tips

• Clean or replace air filters every 1-2 months for efficient airflow.

• Keep outdoor condenser free from dirt, leaves, and debris.

• Maintain at least 2 feet clearance around the outdoor unit.

• Wipe indoor ceiling cassette air handlers regularly to prevent dust buildup.