MRCOOL DIY 5th Gen Mini Split - 5-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 18K + 12K + 9K + 6K Wall Mount Air Handlers - DIY5-5Z-48HP-18K18K12K9K6K

MRCOOL DIY 5th Gen Mini Split - 5-Zone 48,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 18K + 18K + 12K + 9K + 6K Wall Mount Air Handlers - DIY5-5Z-48HP-18K18K12K9K6K

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 BTU 5-Zone system includes one 24K, two 12K and two 9K 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 21.8 and 10 HSPF2-4 for energy-efficient year-round comfort.
• 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

• Versatile 5-Zone Comfort: Equipped with wall-mounted air handlers (18K + 18K + 12K + 9K + 6K) for individualized heating and cooling across multiple rooms.

• Powerful 48,000 BTU Capacity: Efficiently heats and cools large homes, delivering consistent comfort throughout each zone.

• Ductless Design: Eliminates the need for extensive ductwork, simplifying installation and maximizing flexibility.

• Heat Pump Technology: 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.

• Energy-Efficient Operation: Inverter technology adjusts output per zone, saving energy while maintaining comfort.

• Smart Connectivity: Compatible with WiFi and the 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 (24K + 18K + 9K + 9K + 6K), providing customizable heating and cooling for multiple rooms.

Q: What are the key benefits?
A: Multi-zone climate control, energy efficiency, DIY installation, WiFi smart control, and quiet, consistent airflow for large or multi-room homes.

Q: How does the 5-zone system work?
A: Each zone can be independently controlled, allowing precise temperatures and energy savings in every room.

Q: Who is this system ideal for?
A: Homeowners needing flexible, ductless heating and cooling for large spaces, multi-room setups, or retrofit installations.

Q: What makes it stand out?
A: High BTU capacity, DIY-friendly installation, smart app control, and versatile wall-mounted air handlers for total comfort management.

Maintenance Tips

• Clean Filters Monthly: Wash or vacuum each wall unit filter to maintain airflow and efficiency.

• Keep Outdoor Condenser Clear: Remove debris, leaves, and dust to ensure optimal heat exchange.

• Inspect Refrigerant Lines: Check for leaks or damage to maintain performance.

• Ensure Proper Airflow: Keep vents and surrounding areas clear for balanced heating and cooling in all zones.

• Maintain Drain Lines: Clear condensate lines regularly to prevent clogs and water damage.

• Seasonal Professional Check: Schedule annual inspections for coils, electrical connections, and refrigerant levels.

• Use MRCOOL App: Monitor performance, set schedules, and receive maintenance alerts for all units.