MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER2 (6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

Heat or cool two rooms with ease using the MRCOOL DIY® 5th Gen Multi-Zone 18,000 BTU 23.9 SEER2 2-Zone Ductless Heat Pump Split System – 6K + 18K. Perfect for bedrooms, offices, or living spaces, this system combines one 6,000 BTU air handler (ideal for ~200 sq. ft.) and one 18,000 BTU air handler (up to ~800 sq. ft.), powered by a high-efficiency 18,000 BTU condenser.

Engineered for true do-it-yourself installation, the MRCOOL DIY® Series requires no special tools, training, or HVAC licensing. The included pre-charged Quick Connect® line sets are factory-sealed and filled with eco-friendly R-454B refrigerant, making setup simple and eliminating the need for expensive professional installation.

Key Features & Benefits

• DIY® Friendly Installation – Install your own multi-zone mini split with no specialized tools or training.

• High Efficiency Comfort – Up to 23.9 SEER2 energy efficiency rating keeps operating costs low.

• Multi-Room Zoning – Includes one 6K and one 18K wall-mounted air handler for flexible comfort.

• Year-Round Climate Control – Heats, cools, and dehumidifies for four-season performance.

• Smart Controls – Works with the MRCOOL® SmartHVAC app, Amazon Alexa, and Google Home.

• Follow Me® Feature – Adjusts comfort based on where you are in the room.

• Gold Fin® Condenser – Corrosion-resistant for long-lasting outdoor performance.

• Quiet Operation – Sleep mode, mute function, and LED dimming keep comfort uninterrupted.

• Warranty Protection – 7-year compressor, 5-year parts warranty, plus optional lifetime compressor coverage.

• Lifetime Technical Support – Backed by MRCOOL DIY Direct for ongoing customer support.

Smarter Comfort, Anywhere You Are

Each air handler features a digital display with diagnostic codes, filter cleaning reminders, and system alerts, making maintenance hassle-free. Control each zone independently with the included remotes, or manage everything from your smartphone. For added convenience, the system automatically restores previous settings after a power outage.

With the MRCOOL DIY 18K Dual-Zone Split System, you’ll enjoy maximum comfort, huge savings on installation, and reliable year-round performance—all with the confidence of the original DIY mini split system.

🔥 Upgrade Your Home Comfort with MRCOOL DIY Direct — the #1 Nationwide Source for Genuine MRCOOL DIY® Systems.