MRCOOL DIY Mini-Split Series 5th Generation 36,000 BTU 3-Zone Wall Mounted 9K+12K+12K Heat Pump System

Enjoy flexible comfort across multiple rooms with the MRCOOL® DIY 5th Generation 36,000 BTU 3-Zone Mini-Split System. This configuration features one 9K BTU and two 12K BTU indoor air handlers, making it ideal for small to medium-sized homes, home offices, or apartments. Designed for easy installation and high efficiency, this DIY-friendly system delivers powerful heating and cooling performance without requiring professional HVAC tools or service.

This 5th Generation system includes:

• (1) 36k BTU Multi-Zone DIY® Condenser (DIY-MULTI5-36HP230D-O)

• (1) 9k BTU Wall-Mounted Air Handler (DIY-09-HP-WMAH-230D25-O)

• (2) 12k BTU Wall-Mounted Air Handlers (2xDIY-12-HP-WMAH-230D25-O)

• (3) 25 ft DIY® Quick Connect® Line Sets (3xDIY25-1412-O)

This setup provides efficient zoned climate control for up to 1,500 sq. ft., ideal for multiple bedrooms, offices, or common areas.

✅ UL Listed, ETL Listed, and AHRI Certified

🛠️ True DIY Installation

Forget costly installation—this MRCOOL® system is built for DIYers. The pre-charged Quick Connect® line sets are filled with R-454B refrigerant, eliminating the need for vacuuming or specialized tools. Just connect, tighten, and start enjoying comfort.

🌿 Energy Efficient & Eco-Conscious

With advanced R-454B refrigerant, the system is environmentally friendly while delivering excellent performance. The 36k BTU condenser reaches 20.5 SEER2 and HSPF2-4 of 9, helping reduce utility bills without sacrificing comfort.

📱 Smart Controls from Anywhere

Manage your system easily with:

• The SmartHVAC app (iOS & Android)

• Amazon Alexa & Google Assistant voice integration

• Wireless remotes for convenient in-room control

• Follow Me® mode that adjusts temperature based on where the remote is located

💧 Built-In Humidity Management

All air handlers include Dry Mode, which moderates moisture in the air, enhancing comfort and protecting against dampness or mold in humid climates.

🛡️ Built to Last

The condenser’s Gold Fin® coating provides corrosion resistance, ideal for coastal and harsh environments. The system’s DIYPRO® cable adds weather and wildlife protection without the need for electrical conduit.

🏆 Industry-Leading Warranty

• 7-Year Compressor Warranty

• 5-Year Parts Warranty

• Limited Lifetime Warranty with MRCOOL® Care Program registration

 

⭐ This Mini-Split System Replaces the Following Models: DIY-MULTI4-36HP230C,DIY-09-HP-WMAH-230C25,2xDIY-12-HP-WMAH-230C25,3xDIY25-1412