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Ensure year-round comfort with the 9k BTU MRCOOL DIY Ductless Wall Mounted Air Handler - 5th Generation 120v. Designed for efficient heating and cooling, this air handler is perfect for smaller spaces and works seamlessly with the MRCOOL DIY system. Backed by AHRI certification and UL listing, this unit guarantees performance and safety, delivering peace of mind along with perfect indoor temperatures.
Ideal for DIY enthusiasts, this wall-mounted air handler can be installed without professional help. When paired with the MRCOOL DIY pre-charged line set, setup is simplified—no vacuuming required. The included instructions guide you through the process step-by-step, helping you achieve reliable comfort on your own schedule and budget. With a clean design that fits any decor, it’s a practical and stylish upgrade for any room.
This 5th Generation unit includes smart features like smartphone control, the Follow Me function for zone-accurate comfort, and auto-restart to resume operation after a power outage. The louver position memory retains your last airflow settings, ensuring consistent performance. With its variable-speed blower and energy-efficient construction, you can expect quiet operation, powerful output, and lower energy bills year after year.
Specifications
| Model | DIY-09-HP-WMAH-115D25-O |
| UPC | 840255586993 |
| Product Height (in) | 11.69 |
| Product Length (in) | 7.44 |
| Product Width (in) | 31.57 |
| Configuration | Wall Mounted |
| Air Flow Direction | Horizontal |
| Blower Motor | Variable Speed |
| Cooling Capacity | Less than 1 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Quick Connect |
| Liquid Line Size | 1/4 inch |
| Suction Line Size | 3/8 inch |
| Max Overcurrent Protection | 20 amps |
| Weight (lbs) | 37.04 |
| Refrigerant | R-454B |
| Series | DIY |
| System Application Type | Ductless Split Systems |
| Voltage | 120 |
| Warranty | 5 Year Parts, 7 Year Compressor |
Resources
- DIY5 Quick Start Guide (PDF)
- DIY5 Single Zone Customer Brochure (PDF)
- DIY5 Single Zone Installation Manual (PDF)
- DIY5 Warranty Sheet (PDF)
- Mini-Split Remote Control Owner's Manual (PDF)
What's Included
- MRCOOL DIY-09-HP-WMAH-115D25-O
- Owner Manual
- Lifetime Tech Support
Warranty
- 7-Year Compressor Warranty
- 5-Year Parts Warranty