MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 18K + 18K + 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 18K + 18K + 18K + 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 18K 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

• Custom Multi-Zone Comfort: Five zones with 18K + 18K + 18K + 6K + 6K BTU capacity ensure tailored temperature control across your home or office.

• Robust 55,000 BTU System: Efficient cooling and heating powered by a reliable heat pump for year-round comfort.

• Easy DIY Installation: 5th Gen design simplifies setup without professional help, cutting installation time and costs.

• Low-Profile Ceiling Cassette Units: Quiet, unobtrusive air handlers that save space and maintain room aesthetics.

• Energy Efficient Operation: Inverter technology and high SEER ratings help reduce energy consumption and costs.

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 (18K + 18K + 18K + 6K + 6K BTU).

Q: Is this system suitable for DIY installation?
A: Yes, it’s designed for easy DIY installation—no professional needed.

Q: How many zones can this system control?
A: It controls 5 separate zones for personalized heating and cooling.

Q: Does it provide heating and cooling?
A: Yes, it functions as both an air conditioner and a heat pump for year-round comfort.

Q: What are the benefits of ceiling cassette air handlers?
A: They offer efficient, unobtrusive airflow ideal for rooms without wall space.

Q: Is this system energy efficient?
A: Yes, it uses inverter technology to maximize energy savings and performance.

Maintenance Tips

• Clean air filters monthly to maximize airflow and efficiency.

• Keep the outdoor condenser free from dirt and debris.

• Clear condensate drain lines regularly to prevent water buildup.

• Have refrigerant levels checked annually by a professional.

• Schedule yearly professional inspections to maintain optimal performance.