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If your home’s layout doesn’t allow for traditional ducted HVAC systems, and you're ready to embrace the eco-conscious R454B refrigerant, the 18k BTU MRCOOL Advantage Ductless Wall Mounted Air Handler with WiFi Smart Kit is an ideal solution. This system is certified by AHRI and carries ETL, UL, and CSA listings, confirming that it’s passed rigorous third-party testing for safety and performance, so you can feel confident in your home’s climate solution.
Engineered for efficient, reliable comfort, this wall-mounted air handler works with a compatible MRCOOL Advantage condenser to deliver quiet performance, energy efficiency, and precise temperature control via its variable-speed DC inverter technology. Its included WiFi Smart Kit ensures smart home integration with Amazon Alexa and Google Assistant for hands-free operation. You can also take control via the MrCool smartphone app or set timers for automated comfort. With the Follow Me feature, the system uses sensors in the remote to detect the temperature around you and automatically adjusts airflow to deliver comfort exactly where you need it.
Specifications
| Model | A-18-HP-WMAH-230D-O |
| Product Height (in) | 8.46 |
| Configuration | Wall Mounted |
| Product Length (in) | 12.56 |
| Air Flow Direction | Horizontal |
| Product Width (in) | 37.99 |
| Blower Motor | Variable Speed |
| Cooling Capacity | 3 Ton |
| Electrical Phase | 1-Phase |
| Line Set Connection Type | Flared |
| Liquid Line Size | 3/8 inch |
| Max Overcurrent Protection | 35 amps |
| Weight (lbs) | 33 |
| Refrigerant | R-454b |
| Series | Advantage |
| Suction Line Size | 5/8 inch |
| System Application Type | Ductless Split Systems |
| Voltage | 240 |
| Warranty | 1 Year Parts, 2 Year Compressor |
Resources
- 5th Generation Advantage Customer Brochure (PDF)
- 5th Generation Advantage Installation Manual (PDF)
- 5th Generation Advantage Specification Manual (PDF)
- 5th Generation Advantage Warranty Sheet (PDF)
What's Included
- MRCOOL A-18-HP-WMAH-230D-O
- Owner Manual
- Lifetime Tech Support
Warranty
- 1-Year Parts Warranty
- 2-Year Compressor Warranty
- Eligible for Limited Lifetime Warranty with Registration






