MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 12K + 9K 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 four 12K and one 9K 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
-
Balanced 5-Zone Setup: 55,000 BTU system with four 12K and one 9K ceiling cassette units for tailored cooling and heating.
-
All-Season Comfort: Reliable heat pump technology keeps your space comfortable year-round.
-
DIY Installation Made Easy: User-friendly design enables quick, cost-effective self-installation.
-
Quiet & Sleek Air Handlers: Ceiling cassettes run quietly and blend seamlessly with room aesthetics.
-
Energy-Efficient Inverter Tech: Reduces power consumption while maintaining consistent temperatures.
-
MRCOOL 5th Gen Quality: Proven durability and advanced features ensure long-lasting performance.
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 for customizable climate control.
Q: What are the air handler sizes included?
A: Four 12K BTU and one 9K 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 offers both air conditioning and heat pump functions for year-round comfort.
Q: Which spaces is this system ideal for?
A: Perfect for multi-room homes or offices needing efficient zoned climate control.
Q: Is the system energy efficient?
A: Yes, featuring inverter technology and zoning to optimize energy use and lower utility bills.
Maintenance Tips
-
Clean or replace air filters every 1-3 months.
-
Keep outdoor condenser clear of dust and debris.
-
Inspect and clean ceiling cassette air handlers quarterly.
-
Check for refrigerant leaks and unusual noises regularly.
-
Schedule annual professional maintenance.
-
Ensure unobstructed airflow around indoor and outdoor units.
