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PRODUCT DESCRIPTION
PRODUCT DESCRIPTION
MRCOOL DIY® 5th Gen 18,000 BTU Multi-Zone Mini Split Air Handler – 230V
Model: DIY-18-HP-WMAH-230D25-O
Ideal Coverage: Up to 750 sq. ft. • Power: 230V • Refrigerant: R-454B
The MRCOOL® DIY 5th Generation 18K BTU Multi-Zone Wall Mount Air Handler offers year-round comfort for larger areas such as great rooms, bonus rooms, garages, and more. Engineered to pair with MRCOOL® DIY® multi-zone condensers, this indoor unit ensures efficient heating and cooling, modern controls, and simple DIY installation.
🔥 Key Features
- DIY Installation: No vacuuming or special tools needed. Perfect for homeowners and pros alike.
- QuickConnect® Line Set: Pre-charged with R-454B refrigerant for fast, mess-free hookup
- Green Refrigerant: Lower Global Warming Potential (GWP) than R-410A for reduced environmental impact
- DIYPRO® Cable: Outdoor-rated armored cable for superior durability without electrical conduit
- Smart Wireless Control: Includes remote and integrates with the SmartHVAC App, Amazon Alexa, and Google Assistant
- Follow Me Technology: Maintains your target temperature based on where the remote is located
- Dry Mode: Reduces humidity and improves indoor air quality
📏 Room Size Coverage
This unit is ideal for larger rooms up to 750 sq. ft., including open-concept living areas or oversized bedrooms.
🛡️ Industry-Leading Warranty
- Compressor: 7-Year Warranty
- Parts: 5-Year Warranty
- Lifetime Replacement: Available through MRCOOL® Care Program Enrollment
⚠️ Compatibility Notice
This air handler is pre-charged with R-454B refrigerant and is not compatible with older R-410A systems. Always pair with MRCOOL® 5th Gen R-454B multi-zone condensers and components for proper function.
Buy from MRCOOL DIY Direct – America’s most trusted source for DIY HVAC systems and parts.
SPECIFICATION & DIMENSIONS
SPECIFICATION & DIMENSIONS
Specification | Details |
---|---|
Model Number | DIY-18-HP-WMAH-230D25-O |
Cooling Capacity | 18,000 BTU/h |
Heating Capacity | 18,000 BTU/h |
Recommended Coverage Area | Up to 750 sq. ft. |
Power Supply | 208–230V, 60Hz, 1 Phase |
Minimum Circuit Ampacity | 5 A (est.) |
Maximum Fuse | 15 A (est.) |
Refrigerant Type | R-454B |
Line Set Size | 1/4" Liquid x 1/2" 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. 39" x 8.5" x 12.5" |
Net Weight | Approx. 26 – 30 lbs |
ETL Listing Number | 5031495 |