MRCOOL DIY® 5th Gen 24,000 BTU Multi-Zone Mini Split Air Handler – 230V

Model: DIY-24-HP-WMAH-230D25-O

Ideal Coverage: Up to 1,000 sq. ft. • Power: 230V • Refrigerant: R-454B

The MRCOOL® DIY® 24K BTU Multi-Zone Wall Mounted Air Handler is designed for larger spaces such as basements, living rooms, home workshops, and large open areas. Built to pair seamlessly with MRCOOL® DIY® multi-zone systems, this unit delivers powerful performance, energy savings, and flexible smart controls—all with no professional installation required.

🔥 Key Features

• DIY Installation: Installs without special tools, gauges, or vacuuming—ideal for homeowners or contractors
• Pre-Charged QuickConnect® Line Set: Pre-loaded with R-454B refrigerant for quick, secure hookup
• Eco-Friendly R-454B: Lower GWP (Global Warming Potential) than R-410A for cleaner operation
• DIYPRO® Cable: Durable armored cable protects from harsh weather and animals—no electrical conduit needed
• Smart Control: Remote, SmartHVAC App, Amazon Alexa, and Google Assistant compatible
• Follow Me Mode: Maintains temperature based on the remote’s location for precise comfort
• Dehumidification: Dry Mode helps reduce indoor moisture and mold risk

📏 Room Size Coverage

This unit is optimized for large areas up to 1,000 sq. ft., making it ideal for open layouts, studios, dens, and additions.

🛡️ Industry-Leading Warranty

• Compressor: 7-Year Warranty
• Parts: 5-Year Warranty
• Lifetime Replacement: Available through MRCOOL® Care Program Enrollment

⚠️ Compatibility Notice

This 5th Gen air handler is pre-charged with R-454B refrigerant and is not interchangeable with R-410A systems. Ensure compatibility with your MRCOOL® 5th Gen condenser before purchase.

Buy with confidence from MRCOOL DIY Direct – the #1 trusted source for DIY HVAC systems, replacement parts, and accessories in the USA.

Specifications & Dimensions

Specification	Details
Model Number	DIY-24-HP-WMAH-230D25-O
Cooling Capacity	24,000 BTU/h
Heating Capacity	24,000 BTU/h
Recommended Coverage Area	Up to 1,000 sq. ft.
Power Supply	208–230V, 60Hz, 1 Phase
Minimum Circuit Ampacity	6 A (est.)
Maximum Fuse	20 A (est.)
Refrigerant Type	R-454B
Line Set Size	3/8" Liquid x 5/8" Gas
Communication Cable Included	Yes, 4-conductor
Wireless Control	Remote, SmartHVAC App, Alexa, Google Assistant
Remote Sensor (Follow Me)	Yes
Dry Mode Function	Yes
Mounting Type	Wall-Mounted
Dimensions (WxDxH)	Approx. 42.5" x 9.5" x 13"
Net Weight	Approx. 35 – 38 lbs
ETL Listing Number	5031495