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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 Mini-Split (9K + 12K)
Efficient, Powerful Comfort You Can Install Yourself
Experience total home climate control with the MRCOOL® 5th Generation DIY® Multi-Zone 27,000 BTU Ductless Mini-Split System—a smart, energy-efficient HVAC solution that’s designed for true do-it-yourself installation. Featuring one 9K BTU air handler (ideal for rooms up to 350 sq. ft.) and one 12K BTU air handler (ideal for rooms up to 550 sq. ft.), this dual-zone system delivers powerful heating and cooling to two areas of your home with ease.
🔧 Easy DIY Installation – No Technician Needed
Forget expensive installations. The Quick Connect® line sets come pre-charged with eco-friendly R-454B refrigerant, eliminating the need for vacuum pumps or special tools. Setup is fast, simple, and requires no HVAC certification.
➡️ Follow our step-by-step video guide to complete installation in just a few hours.
🌡️ All-Season Performance with High Efficiency
With a 23 SEER2 energy efficiency rating, this system is built to handle the Florida heat, chilly winter mornings, and everything in between. It cools, heats, and dehumidifies—giving you complete control of your comfort year-round.
Dual-Zone Heating & Cooling
Reversible Heat Pump for winter warmth
Energy-Saving Sleep Mode
Dry Mode for humidity control
Auto Mode for temperature regulation
📱 Smart Controls Anytime, Anywhere
Control your system from your smartphone with the MRCOOL SmartHVAC® app or operate it hands-free using Amazon Alexa or Google Assistant. Each unit also includes a wireless remote and an easy-to-read digital display for quick access to settings and real-time system alerts.
🧠 Built-In Features for Intelligent Comfort
Follow Me® Function adjusts temperature based on the remote’s location
LED Display shows current settings and error codes
Mute Mode silences beeps and dims display for nighttime use
Auto Restart saves your settings in the event of a power outage
Filter Cleaning Reminders and Self-Diagnostics keep your system in peak condition
🔄 Expandable Multi-Zone Capability
This 27K BTU system supports up to three indoor units, offering flexibility for future expansion. Need more coverage? Upgrade to the 36K BTU MRCOOL DIY Multi-Zone System to support up to four indoor units.
✅ System Highlights
DIY Installation with Pre-Charged Quick Connect® Line Sets
Dual-Zone System: 9K + 12K BTU Air Handlers
SEER2 23 | HSPF2-4 9.5
Smart App & Voice Control
R-454B Eco-Friendly Refrigerant
Quiet Operation with Mute Function
Gold Fin® Corrosion-Resistant Condenser
Built-In Dehumidifier & Timer Modes
7-Year Compressor Warranty | 5-Year Parts Warranty
Optional Lifetime Compressor Warranty with MRCOOL® Care
Lifetime Tech Support Included
Take total control of your home’s climate—without the cost of professional installation.
Order the MRCOOL® DIY 27K BTU Dual-Zone Mini-Split (9K + 12K) today and enjoy energy-efficient, customizable comfort in every season.