HOT ! MRCOOL 5th Gen Advantage 9K BTU Mini Split Air Handler 115V

Efficient, Quiet Comfort with a High-Efficiency Mini Split Air Handler

The MRCOOL 5th Generation Advantage 9,000 BTU Wall-Mounted Mini Split Air Handler delivers dependable heating and cooling for spaces up to 400 sq. ft. Designed for 115V systems, this compact indoor unit offers quiet operation, smart controls, and high efficiency when paired with a compatible MRCOOL Advantage condenser.

⚠️ Important Installation Notice

This mini split air handler is not DIY-installable. It is not pre-charged and must be evacuated and charged by a licensed HVAC professional to ensure proper operation and warranty coverage.

Key Features and Benefits

• 
  9,000 BTU Capacity – Ideal for bedrooms, offices, and small living spaces up to 400 sq. ft.


• 
  High Efficiency Performance – Supports system efficiency ratings up to 21.2 SEER2 when matched with a compatible condenser


• 
  Built-In WiFi Control – Operate remotely using the SmartHVAC app or voice commands via Amazon Alexa and Google Assistant


• 
  Quiet Operation – Low sound levels for comfortable day-to-day use


• 
  Eco-Friendly Refrigerant Compatibility – Designed for R-454B systems with lower Global Warming Potential


• 
  Advanced Comfort Modes – Includes Sleep Mode, Auto Restart, and louver position memory


• 
  Compact Wall-Mounted Design – Space-saving profile that blends easily into residential interiors

Smart Control from Anywhere

Control your MRCOOL® Advantage ductless mini split remotely using your smartphone or voice commands. The system is fully compatible with Amazon Alexa and Google Assistant, allowing temperature adjustments, mode changes, and scheduling through the SmartHVAC app or supported voice devices.

Install Almost Anywhere

Ductless mini split systems offer flexible installation without ductwork or structural disruption.

• Wall-mounted indoor unit preserves windows and floor space


• Ideal for spaces without existing ducts


• Suitable for garages, sunrooms, additions, offices, and remodeled rooms

The Advantage Series brings efficient heating and cooling to spaces traditional HVAC systems can’t easily reach.

Specifications

• 
  Model Number: A-09-HP-WMAH-115D-O


• 
  Unit Type: Mini Split Air Handler (Indoor Unit Only)


• 
  Cooling Capacity: 9,000 BTU


• 
  Heating Capacity: 9,000 BTU (system dependent)


• 
  Recommended Coverage Area: Up to 400 sq. ft.


• 
  Voltage: 115V


• 
  Mount Type: Wall Mounted


• 
  SEER2 Compatibility: Up to 21.2 (with matched condenser)


• 
  Refrigerant Type: R-454B (not pre-charged)


• 
  WiFi Compatible: Yes


• 
  App Compatibility: SmartHVAC App


• 
  Voice Control: Amazon Alexa, Google Assistant


• 
  Filter Type: Reusable


• Warranty:


• 1-Year Parts Warranty


• 1-Year Remote Control Warranty


• Valid only with professional installation and registration

Frequently Asked Questions