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

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

MRCOOL DIY 36,000 BTU 3-Zone Wall-Mounted 9K+9K+9K 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+9K+9K 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. each.
Pre-charged linesets allow customers to install this ductless system without special tools, equipment, or training.

Save $1,261.20

MRCOOLSKU: DIY-MULTI5-36HP230D-O,3xDIY-09-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:

$6,306.00 USD $7,567.20 USD

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Description

Enjoy personalized comfort in every room with the MRCOOL® DIY 3-Zone 36k BTU Multi-Zone Mini-Split System, engineered for energy-efficient performance and DIY-friendly installation. Perfect for smaller homes, apartments, or multi-room spaces.

This 5th Generation system includes:

(1) 36k BTU Multi-Zone DIY® Condenser (DIY-MULTI5-36HP230D-O)
(3) 9k BTU Wall-Mounted Air Handlers (3xDIY-09-HP-WMAH-230D25-O)
(3) 25 ft DIY® Quick Connect® Line Sets (3xDIY25-1412-O)

Together, this system delivers powerful and efficient heating and cooling for up to 1,500 sq. ft., making it a reliable solution for zone-based comfort in bedrooms, offices, or small living areas.

✅ UL Listed, ETL Listed, and AHRI Certified

🛠️ True DIY Installation

Forget costly professional installation—this MRCOOL® DIY® system is built for homeowners. The Quick Connect® line sets come pre-charged with R-454B refrigerant, eliminating the need for vacuuming or handling refrigerant. Simply connect, tighten, and enjoy fast, mess-free setup with no special tools required.

🌿 Eco-Friendly & Efficient

The 36k BTU condenser reaches high-efficiency ratings with up to 20.5 SEER2 and HSPF2-4 of 9.4, helping reduce energy costs year-round. Featuring the new R-454B refrigerant, this system offers improved environmental performance over previous refrigerants.

📱 Smart Home Integration

Take full control of your indoor climate—anytime, anywhere:

SmartHVAC app for iOS & Android
Amazon Alexa & Google Assistant voice control
Wireless remotes for each zone
Follow Me® Mode targets the temperature around the remote for personalized comfort

💧 Built-In Humidity Control

Each 9k BTU air handler includes Dry Mode, designed to balance indoor humidity levels for greater comfort and healthier air quality—especially helpful during muggy seasons or in moisture-prone rooms.

🛡️ Built to Last

With a Gold Fin® anti-corrosion coating, the condenser is made to withstand harsh environments, including coastal and snowy regions. The DIYPRO® cable replaces traditional electrical conduit, providing durable, protected power connections that resist wear from outdoor elements.