MRCOOL DIY 5th Gen Mini Split - 5-Zone 55,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 9K + 6K + 6K + 6K Wall Mount Air Handlers - DIY5-5Z-55HP-12K9K6K6K6K
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 BTU 5-Zone system includes one 18K, one 9K and three 6K wall mounted 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 and 10.6 HSPF2-4 for energy-efficient year-round comfort.
-
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
-
5-Zone Climate Control: Includes five wall-mounted air handlers (18K + 18K + 18K + 9K + 9K) for individualized heating and cooling in multiple rooms.
-
Powerful 48,000 BTU Capacity: Efficiently handles large homes or open layouts, delivering consistent comfort throughout each zone.
-
Ductless Design: Eliminates the need for extensive ductwork, making installation faster and more flexible.
-
Heat Pump Functionality: Provides both heating and cooling for year-round climate control.
-
DIY-Friendly Installation: Designed for straightforward setup by homeowners, with clear instructions and minimal professional assistance needed.
-
Energy-Efficient Operation: Multi-zone inverter technology adjusts power to save energy while maintaining optimal comfort.
-
Smart Connectivity: Compatible with WiFi and MRCOOL app for remote control and scheduling convenience.
Q&A
Q: What is the MRCOOL DIY 5th Gen 5-Zone Mini Split?
A: A 48,000 BTU ductless air conditioner and heat pump condenser with five wall-mounted air handlers (18K + 18K + 18K + 9K + 9K), designed for customizable heating and cooling across multiple zones.
Q: What are the key benefits?
A: Energy-efficient multi-zone temperature control, DIY installation, WiFi-enabled smart control, and quiet, consistent airflow for large homes or multi-room spaces.
Q: How does the 5-zone system help?
A: It allows independent temperature control in each zone for maximum comfort and energy savings.
Q: Who is this system ideal for?
A: Homeowners needing efficient, ductless heating and cooling for large spaces, multi-room setups, or retrofits without major construction.
Q: What makes it stand out?
A: DIY-friendly installation, high BTU capacity, smart control options, and flexible wall-mounted air handlers for precise climate management.
Maintenance Tips
-
Clean Filters Monthly: Wash or vacuum each wall unit filter to maintain airflow and efficiency.
-
Keep Condenser Clear: Remove debris and dust from the outdoor unit to ensure optimal heat exchange.
-
Check Refrigerant Lines: Inspect for leaks or damage to maintain peak performance.
-
Ensure Proper Airflow: Keep vents and spaces around indoor units clear for balanced cooling and heating in all zones.
-
Drain Line Maintenance: Clear condensate lines regularly to prevent clogs and water damage.
-
Seasonal Inspection: Schedule an annual check with a professional to inspect coils, electrical connections, and refrigerant levels.
-
Monitor with MRCOOL App: Use the app to track performance, set schedules, and get maintenance alerts.
