MRCOOL DIY 5th Gen Mini Split - 4-Zone 36,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 6K Wall Mount Air Handlers - DIY5-4Z-36HP-12K12K12K6K

MRCOOL DIY 5th Gen Mini Split - 4-Zone 36,000 BTU Ductless Air Conditioner and Heat Pump Condenser with 12K + 12K + 12K + 6K Wall Mount Air Handlers - DIY5-4Z-36HP-12K12K12K6K

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 36K BTU 4-Zone system includes three 12K and one 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 23 and 9.9 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

• Versatile 4-Zone System: 36,000 BTU with three 12K and one 6K wall-mounted handlers for precise temperature control in multiple rooms.

• DIY-Friendly Installation: Pre-charged Quick Connect lines simplify setup—no professional HVAC needed.

• Energy-Efficient Zoning: Independent controls help reduce energy consumption while maximizing comfort.

• Smart Home Integration: Compatible with MRCOOL app, Alexa, and Google Assistant for easy remote control and scheduling.

• Quiet & Reliable: Advanced inverter technology ensures low noise and consistent performance year-round.

• All-Season Comfort: Heat pump functionality delivers efficient heating and cooling, backed by a solid warranty.

Q&A

Q: What is the MRCOOL DIY 5th Gen 4-Zone Mini Split?
A: A 36,000 BTU ductless heat pump and air conditioner system with 12K + 12K + 12K + 6K wall-mounted air handlers for multi-zone climate control.

Q: Is it DIY-friendly?
A: Yes. Pre-charged Quick Connect lines allow easy installation without professional tools or HVAC experience.

Q: Does it provide both heating and cooling?
A: Yes. It offers efficient cooling in summer and reliable heating in winter for year-round comfort.

Q: How energy efficient is this system?
A: Equipped with inverter technology and high SEER2 ratings, it delivers quiet operation and energy savings.

Q: What smart features are included?
A: Built-in Wi-Fi enables control via the MRCOOL app, Alexa, or Google Assistant for convenient temperature and zone management.

Q: What’s included in the package?
A: One 36K BTU outdoor condenser, four indoor air handlers (12K + 12K + 12K + 6K), pre-charged line sets, communication cables, and installation accessories.

Q: Who is this product ideal for?
A: Perfect for homes or offices needing customizable temperature control across multiple rooms with energy efficiency.

Maintenance Tips

• Clean Filters Monthly: Wash indoor filters to maintain airflow and boost efficiency.

• Clear Outdoor Unit: Remove dirt and debris from the condenser for optimal heat transfer.

• Flush Drain Lines: Prevent blockages by regularly clearing condensate drains.

• Check Connections: Inspect refrigerant and electrical connections for tightness and corrosion.

• Seasonal Inspection: Test the system before peak cooling and heating seasons to ensure reliable operation.