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📦 AVAILABILITY NOTICE:
This product is expected to arrive in the MrCool Warehouse by the end of July 2025. Pre-Order will be available soon—reserve yours early to ensure priority shipment!
MRCOOL® DIY 5th Gen 18,000 BTU Dual-Zone Mini-Split (9K + 9K) – Smart Comfort, DIY Simplicity
The MRCOOL® DIY Multi-Zone 5th Generation 18K BTU Ductless Mini-Split Heat Pump System is the ultimate solution for homeowners who want high-efficiency heating and cooling—without hiring an HVAC technician. Designed for true DIY installation, this dual-zone system features two 9,000 BTU indoor air handlers, ideal for heating and cooling two rooms of approximately 350 sq. ft. each.
With a 21 SEER efficiency rating and cutting-edge DC inverter technology, this system delivers quiet, energy-efficient comfort in all seasons. From summer cooling to winter heating and year-round dehumidification, MRCOOL keeps your indoor environment perfectly balanced.
✅ Quick & Easy DIY Installation
This system includes pre-charged Quick Connect® line sets filled with eco-friendly R-454B refrigerant, allowing you to install the system using basic tools—no vacuuming, gauges, or HVAC license required. Step-by-step videos and clear instructions make setup easy and stress-free.
📱 Smart Home Integration
Easily manage your system via the MRCOOL Smart Controller app (iOS/Android), included wireless remote controls, or smart assistants like Amazon Alexa and Google Home. The indoor units feature Follow Me® technology, adjusting temperature based on the location of the remote for more personalized comfort.
🌡️ Performance You Can Trust
Cool, heat, and dehumidify two separate zones
Auto Mode automatically adjusts output based on room temperature
Sleep Mode conserves energy overnight
Dry Mode helps manage humidity in damp conditions
Low ambient cooling down to 5°F for year-round use
🔒 Reliable Operation & Safety
Gold Fin® condenser coating for corrosion resistance
Built-in leak detection alerts you to refrigerant issues
Auto-restart function restores settings after power outages
Mute mode disables LED display and alerts for quieter operation
Maintenance alerts and diagnostic error codes appear directly on the air handler display
⚙️ System Specifications
Total Capacity: 18,000 BTU
Indoor Units: 2 x 9,000 BTU
Coverage: Up to 700 sq. ft. total
Refrigerant: R-454B (pre-charged line sets sold separately)
Efficiency Rating: 21 SEER
Warranty: 7-Year Compressor, 5-Year Parts, Optional Lifetime Compressor Warranty
🛠️ System Features:
True DIY® Installation – No HVAC tech needed
Pre-Charged Quick Connect® Line Sets
Energy-Efficient DC Inverter Technology
Multi-Room Zoning Control
Smart App + Voice Assistant Compatibility
Quiet Operation with Mute Option
Follow Me® Temperature Tracking
Low Ambient Cooling Capability
Lifetime Tech Support
Looking for more zones? The MRCOOL 27K BTU DIY Multi-Zone System supports up to three indoor units.
📦 Estimated Availability: Late July 2025 – Pre-Orders Available Soon!