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

MRCOOL SKU: DIY-MULTI5-36HP230D-O,DIY-09-HP-WMAH-230D25-O,2xDIY-12-HP-WMAH-230D25-O,3xDIY25-1412-O

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

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

Delivers up to 23 cooling and 9.9 heating efficiency.
Includes a 36000 BTU outdoor unit, three wall-mounted indoor units, three wireless remote controls, and three 25' pre-charged linesets.
Designed to heat and cool three separate rooms up to 400 sq. ft., 550 sq. ft., and 550 sq. ft.
Pre-charged linesets allow customers to install this ductless system without special tools, equipment, or training.

Save $1,336.56

MRCOOLSKU: DIY-MULTI5-36HP230D-O,DIY-09-HP-WMAH-230D25-O,2xDIY-12-HP-WMAH-230D25-O,3xDIY25-1412-O

PRE-SALE! Be the first to receive the new A2L Model upon release in the Summer of 2025

Retail price:

$6,682.80 USD $8,019.36 USD

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Description

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.