MRCOOL DIY 5th Gen Mini Split - 6-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 9K + 9K + 6K + 6K + 6K 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 48K 6-Zone system includes one 18K, two 9K and three 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 21.8 SEER2 and 10 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
-
Tailored Multi-Room Comfort – 48,000 BTU condenser with 18K, 9K, and 6K cassettes delivers efficient heating and cooling for varied room sizes.
-
DIY-Friendly Installation – Pre-charged No-Vac line sets make setup fast and simple without specialized tools.
-
Discreet Ceiling Design – OuttaSight cassettes provide quiet, even airflow while keeping walls and floors free.
-
Efficient Year-Round Performance – Inverter heat pump ensures reliable cooling in summer and energy-efficient heating in winter.
-
Independent Zone Control – Each cassette operates individually, allowing precise comfort and energy savings per room.
Q&A
Q: Can each room be controlled separately?
A: Yes, each cassette has its own thermostat for zone-specific comfort.
Q: Does it provide both heating and cooling?
A: Yes, it’s a heat pump system suitable for year-round use.
Q: Is this system DIY-friendly?
A: Yes, pre-charged No-Vac line sets allow easy installation without professional tools.
Q: Who should consider this system?
A: Homeowners with rooms of varying sizes needing efficient, flexible climate control.
Maintenance Tips
-
Clean or replace air filters in each cassette every 1–2 months to maintain optimal airflow.
-
Wipe cassette panels and vents to prevent dust buildup.
-
Inspect all condensate drain lines to avoid clogs and leaks.
-
Ensure pre-charged line set connections are secure and leak-free.
-
Keep the outdoor condenser free from debris, leaves, and obstructions.
-
Test remote and smart control functions across all zones.
-
Schedule annual professional servicing to maintain efficiency and prolong system lifespan.
