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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 + 9K)
The Ultimate DIY Heating & Cooling Solution for Two Zones
Upgrade your home’s comfort and efficiency with the MRCOOL® 5th Generation DIY® Multi-Zone Ductless Mini-Split System. This powerful 27,000 BTU dual-zone system includes two 9,000 BTU wall-mounted air handlers, perfect for heating and cooling two separate areas—each up to 400 sq. ft..
Built for true do-it-yourself installation, this system features MRCOOL’s innovative Quick Connect® pre-charged line sets, allowing you to install it without vacuum pumps, gauges, or professional tools—saving you both time and money.
🔧 Customize Your System
Choose your preferred line set length for each zone right above the “Add to Cart” button. This allows you to tailor the system to your home’s unique layout and maximize efficiency.
🌡️ High-Efficiency Performance
With a SEER2 rating of up to 23 and an HSPF2-4 of 9.5, this mini-split system provides energy-efficient heating and cooling year-round, even in extreme weather conditions.
Dual 9K BTU Air Handlers for balanced two-zone comfort
Inverter technology ensures consistent temperatures and lower energy bills
Heat pump operation works even when outdoor temps drop to -13°F
📲 Smart Home Integration
Control your system from anywhere using the SmartHVAC app, compatible with iOS and Android devices. Prefer voice commands? This system also works with Amazon Alexa and Google Assistant for hands-free operation. Each indoor unit also includes a wireless remote control for local adjustments.
🌍 Eco-Friendly & Reliable
Uses R-454B refrigerant, a low-GWP (Global Warming Potential) refrigerant for a greener HVAC solution
Built with durable components, including a Gold Fin® corrosion-resistant condenser
Operates quietly and efficiently while blending seamlessly into your space
🛡️ Backed by MRCOOL®'s Industry-Leading Warranty
Enjoy total peace of mind with comprehensive protection:
5-Year Parts Warranty
7-Year Compressor Warranty
Lifetime Compressor Replacement with MRCOOL® Care registration
✅ Key Features
DIY Installation with Pre-Charged Quick Connect® Line Sets
Dual 9K BTU Wall-Mounted Air Handlers (up to 800 sq. ft. total coverage)
SEER2 23 | HSPF2-4 9.5
Smart App Control + Alexa & Google Assistant Compatibility
Energy-Efficient Inverter Technology
Eco-Friendly R-454B Refrigerant
Lifetime Technical Support
Expandable – Supports up to 4 Indoor Units
Get superior comfort, smart control, and real DIY savings—
Order the MRCOOL® DIY® 27K Dual-Zone Mini-Split System today and take total control of your indoor climate.