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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 27K BTU Dual-Zone Ductless Mini-Split (9K + 18K)
Powerful Multi-Zone Heating & Cooling — No HVAC Pro Needed
The MRCOOL® DIY® Multi-Zone 5th Generation 27,000 BTU Ductless Mini-Split System is the perfect solution for homeowners looking to heat and cool two spaces—without the hassle or cost of professional installation. This dual-zone system includes a 9,000 BTU air handler (ideal for up to 350 sq. ft.) and an 18,000 BTU air handler (perfect for up to 800 sq. ft.), offering customized climate control for larger zones like bedrooms, living rooms, and offices.
With an impressive 22 SEER efficiency rating, this system delivers reliable comfort year-round—and you can install it yourself using the Quick Connect® pre-charged line sets.
🔧 True DIY Installation – No Special Tools Required
The MRCOOL DIY® Series is built for the everyday homeowner. The system includes pre-charged line sets with R-454B refrigerant, eliminating the need for vacuuming, brazing, or handling refrigerants. Just connect, tighten, and you’re done.
📽️ Simple installation videos included for easy step-by-step guidance.
🌡️ Efficient Year-Round Performance
Whether you're cooling off in the Florida heat, warming up in winter, or battling humidity in the rainy season, this heat pump system adapts to your needs:
Heat Pump Technology with reverse-cycle operation
Auto Mode adjusts temperature automatically
Dry Mode controls moisture
Sleep Mode conserves energy while you rest
Timer Function for automated comfort and energy savings
📲 Smart Control at Your Fingertips
Enjoy full control from anywhere with the MRCOOL SmartHVAC® app (iOS & Android compatible). Adjust temperatures, modes, and fan speeds remotely—or use Amazon Alexa and Google Assistant for voice-activated comfort. Each unit also includes a remote control and an LED display for local access.
🧠Intelligent Features for Worry-Free Comfort
Follow Me® Technology adjusts temperature based on your remote’s location
Self-Diagnostic Alerts notify you of system issues or maintenance needs
Filter Cleaning Reminders keep your system running efficiently
Mute Mode silences beeps and dims the display for uninterrupted sleep
Auto Restart restores settings after power outages
🔄 Expandable System for Future Growth
This 27K BTU model supports up to 3 indoor units. Need more coverage? Upgrade to the MRCOOL DIY 36K BTU Multi-Zone System, which supports up to 4 zones—ideal for larger homes or commercial spaces.
âś… Key Features
DIY Installation – No HVAC license needed
Pre-Charged Quick Connect® Line Sets (R-454B Refrigerant)
Dual-Zone Setup: 9K + 18K BTU
SEER 22 | HSPF2-4 High Efficiency
Wi-Fi App + Voice Control (Alexa, Google Assistant)
Energy-Efficient DC Inverter Technology
100% Sealed System
Gold Fin® Corrosion-Resistant Condenser
Low Ambient Cooling
Lifetime Tech Support
7-Year Compressor Warranty | 5-Year Parts Warranty
Optional Lifetime Compressor Warranty with MRCOOL® Care registration
Skip the expensive HVAC install and take total control of your home’s climate today.
Order the MRCOOL DIY® 27K BTU 9K + 18K Dual-Zone Mini-Split System for high-efficiency comfort you can install yourself.