Original: $696.00
-70%$696.00
$208.80The Story
MRCOOL DIY® 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler – 230V
Model: DIY-12-HP-WMAH-230D25-O
Ideal Coverage: Up to 550 sq. ft. • Power: 230V • Refrigerant: R-454B
The MRCOOL® DIY 5th Generation 12K BTU Multi-Zone Wall Mount Air Handler is the perfect addition for your home comfort solution. Built for reliable heating and cooling all year round, it’s designed to pair with MRCOOL® 5th Gen DIY® Multi-Zone Condensers. This indoor unit is ideal for medium-to-large rooms like master bedrooms, living areas, home offices, and more.
🔥 Key Features
- DIY Installation: Simple, tool-free installation—no vacuum pump or special tools required
- QuickConnect® Line Set: Pre-charged with R-454B refrigerant for easy and fast connection
- Green Refrigerant: R-454B has a lower Global Warming Potential (GWP) than R-410A, making it more environmentally friendly
- DIYPRO® Cable: Rugged, armored cable eliminates the need for traditional electrical conduit
- Smart Controls: Operate with the included remote, SmartHVAC app, or voice commands via Alexa and Google Assistant
- Follow Me Function: Automatically adjusts comfort based on your remote's location
- Dry Mode: Reduces humidity to improve air quality
📏 Room Size Coverage
This unit is recommended for rooms up to 550 sq. ft., such as larger bedrooms, living rooms, or media areas.
🛡️ Industry-Leading Warranty
- Compressor: 7-Year Warranty
- Parts: 5-Year Warranty
- Optional Lifetime Replacement: Enroll in the MRCOOL® Care Program
✅ Certified Performance
ETL Listed: Intertek #5031495 ensures performance, safety, and reliability.
⚠️ Important Compatibility Note
This 5th Gen MRCOOL® air handler uses R-454B refrigerant and is not compatible with previous generation R-410A systems. Use only with matching MRCOOL® 5th Gen R-454B DIY® Multi-Zone Condensers and components.
Trust MRCOOL DIY Direct – America’s most reliable source for genuine MRCOOL® replacement HVAC systems, parts, and accessories.
Specifications & Dimensions
| Specification | Details |
|---|---|
| Model Number | DIY-12-HP-WMAH-230D25-O |
| Cooling Capacity | 12,000 BTU/h |
| Heating Capacity | 12,000 BTU/h |
| Recommended Coverage Area | Up to 550 sq. ft. |
| Power Supply | 208–230V, 60Hz, 1 Phase |
| Minimum Circuit Ampacity | 4 A (est.) |
| Maximum Fuse | 15 A (est.) |
| Refrigerant Type | R-454B |
| Line Set Size | 1/4" Liquid x 3/8" 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. 31.5" x 7.5" x 11.75" |
| Net Weight | Approx. 20 – 22 lbs |
| ETL Listing Number | 5031495 |
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
MRCOOL DIY® 5th Gen 12,000 BTU Multi-Zone Mini Split Air Handler – 230V
Model: DIY-12-HP-WMAH-230D25-O
Ideal Coverage: Up to 550 sq. ft. • Power: 230V • Refrigerant: R-454B
The MRCOOL® DIY 5th Generation 12K BTU Multi-Zone Wall Mount Air Handler is the perfect addition for your home comfort solution. Built for reliable heating and cooling all year round, it’s designed to pair with MRCOOL® 5th Gen DIY® Multi-Zone Condensers. This indoor unit is ideal for medium-to-large rooms like master bedrooms, living areas, home offices, and more.
🔥 Key Features
- DIY Installation: Simple, tool-free installation—no vacuum pump or special tools required
- QuickConnect® Line Set: Pre-charged with R-454B refrigerant for easy and fast connection
- Green Refrigerant: R-454B has a lower Global Warming Potential (GWP) than R-410A, making it more environmentally friendly
- DIYPRO® Cable: Rugged, armored cable eliminates the need for traditional electrical conduit
- Smart Controls: Operate with the included remote, SmartHVAC app, or voice commands via Alexa and Google Assistant
- Follow Me Function: Automatically adjusts comfort based on your remote's location
- Dry Mode: Reduces humidity to improve air quality
📏 Room Size Coverage
This unit is recommended for rooms up to 550 sq. ft., such as larger bedrooms, living rooms, or media areas.
🛡️ Industry-Leading Warranty
- Compressor: 7-Year Warranty
- Parts: 5-Year Warranty
- Optional Lifetime Replacement: Enroll in the MRCOOL® Care Program
✅ Certified Performance
ETL Listed: Intertek #5031495 ensures performance, safety, and reliability.
⚠️ Important Compatibility Note
This 5th Gen MRCOOL® air handler uses R-454B refrigerant and is not compatible with previous generation R-410A systems. Use only with matching MRCOOL® 5th Gen R-454B DIY® Multi-Zone Condensers and components.
Trust MRCOOL DIY Direct – America’s most reliable source for genuine MRCOOL® replacement HVAC systems, parts, and accessories.
Specifications & Dimensions
| Specification | Details |
|---|---|
| Model Number | DIY-12-HP-WMAH-230D25-O |
| Cooling Capacity | 12,000 BTU/h |
| Heating Capacity | 12,000 BTU/h |
| Recommended Coverage Area | Up to 550 sq. ft. |
| Power Supply | 208–230V, 60Hz, 1 Phase |
| Minimum Circuit Ampacity | 4 A (est.) |
| Maximum Fuse | 15 A (est.) |
| Refrigerant Type | R-454B |
| Line Set Size | 1/4" Liquid x 3/8" 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. 31.5" x 7.5" x 11.75" |
| Net Weight | Approx. 20 – 22 lbs |
| ETL Listing Number | 5031495 |
