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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® 27K BTU 5th Gen Dual-Zone Mini-Split System (6K + 18K)
Energy-Efficient Comfort You Can Install Yourself
Take control of your indoor climate with the MRCOOL® DIY® 5th Generation 27,000 BTU Dual-Zone Ductless Mini-Split System, featuring one 6K BTU air handler (covers up to 200 sq. ft.) and one 18K BTU air handler (ideal for large spaces up to 800 sq. ft.). With an impressive 23 SEER2 efficiency rating, this system provides powerful cooling and heating—all with a simple DIY installation that saves you thousands on labor costs.
🔧 Easy DIY® Installation—No HVAC Pro Needed
This system is designed for homeowners. The included Quick Connect® line sets are pre-charged with R-454B refrigerant, allowing you to install the system with basic tools—no gauges, vacuum pumps, or certifications required.
📹 Plus, you get step-by-step video instructions for a hassle-free setup.
🌡️ Year-Round Performance for Two Separate Zones
The MRCOOL DIY 6K + 18K system gives you complete comfort control over two rooms or zones. Whether it's cooling during the peak of summer, heating in the winter, or dehumidifying on rainy days, this system does it all.
Auto Mode: Automatically adjusts for optimal comfort
Dry Mode: Reduces indoor humidity while maintaining temperature
Sleep Mode: Lowers energy usage while you sleep
Emergency Manual Operation: Test or cool manually with a simple button
📱 Smart Controls at Your Fingertips
Operate each unit independently with the MRCOOL SmartHVAC® app, compatible with iOS and Android. Control temperature, fan speed, and modes from anywhere—or connect to Amazon Alexa and Google Assistant for hands-free voice commands.
Each air handler features:
A clear digital display with system alerts and error codes
Wireless remote for local control
Mute mode to disable display lights and alerts
Auto-restart to resume previous settings after power outages
🛠️ Built for Reliability & Easy Maintenance
From its durable Gold Fin® condenser that resists corrosion, to the 100% sealed system design, this mini-split is made for long-term performance—especially in coastal environments like Florida.
Receive filter cleaning alerts, view error codes, and easily wipe down the sleek indoor units to keep everything running efficiently.
🧩 Expandable Multi-Zone Solution
This 27K BTU system supports up to 4 indoor air handlers, giving you flexibility to grow as your needs do. Need even more zones? Upgrade to the 36K BTU DIY Multi-Zone System for up to 5 total zones of climate control.
✅ System Features
Dual-Zone Comfort: 6K + 18K BTU coverage (up to 1,000 sq. ft.)
23 SEER2 Rated Efficiency
Pre-Charged Quick Connect® Line Sets (R-454B Refrigerant)
Smartphone App + Voice Control (Alexa & Google Home)
Gold Fin® Anti-Corrosion Condenser
Follow Me® Remote Sensor Technology
Low Ambient Cooling Capability
Timer, Auto, Dry, Sleep, and Manual Modes
7-Year Compressor Warranty | 5-Year Parts | Optional Lifetime Warranty
Lifetime Technical Support from MRCOOL
Stay cool, warm, and in control—without hiring a professional.
Order your MRCOOL® DIY 27K BTU 6K + 18K Dual-Zone Mini-Split System today and enjoy total comfort in any season.