MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 9K + 9K + 9K + 9K + 6K Ceiling Cassette Air Handlers

MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 9K + 9K + 9K + 9K + 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 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 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

• Efficient 5-zone system: 55,000 BTU capacity with uniform air handlers ensures consistent comfort across all rooms.

• Balanced cooling & heating: Four 9K and one 6K ceiling cassette units optimize airflow and temperature control.

• Simple DIY installation: Pre-charged lines reduce setup time and costs, perfect for homeowners.

• Reliable heat pump tech: Delivers energy-efficient heating and cooling year-round.

• Quiet, discreet design: Ceiling cassettes minimize noise and save space.

• Trusted durability: Backed by MRCOOL’s warranty and support for 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 (9K + 9K + 9K + 9K + 6K BTU).

Q: How many zones does it have?
A: Five zones for flexible, room-by-room temperature control.

Q: Is it easy to install?
A: Yes, designed for simple DIY installation without professional help.

Q: What are the benefits?
A: Energy-efficient heating and cooling, quiet operation, and seamless zone control.

Q: Where is it best used?
A: Ideal for multi-room homes needing efficient, ceiling-mounted climate control.

Maintenance Tips

• Clean or replace air filters every 1-2 months to maintain airflow.

• Keep the outdoor condenser clear of dirt, leaves, and debris.

• Ensure at least 2 feet clearance around the outdoor unit for ventilation.

• Regularly clean indoor ceiling cassette air handlers to reduce dust buildup.

• Schedule annual professional servicing for refrigerant check and system performance.

• Address unusual noises or cooling/heating issues promptly.