Mr. Cool Advantage 24,000 BTU 18.7 SEER2 Wall Mounted Heat Pump System (230V) - R454B

MRCOOL® A-24-HP-WMAH-230D-O & A-24-HP-C-230D-O Advantage 5th Gen 24,000 BTU 230V – R-454B Ductless Mini-Split Heat Pump System (Air Handler + Condenser)
The MRCOOL® A-24-HP-WMAH-230D-O & A-24-HP-C-230D-O Advantage 24k BTU 230V ductless mini-split delivers powerful, efficient heating and cooling for spaces up to ~1,050 sq ft. Using eco-friendly R-454B refrigerant with ~80% lower Global Warming Potential (GWP) than R-410A, this system reduces environmental impact while improving energy performance. Engineered for whisper-quiet operation, it ensures year-round comfort while helping lower utility bills.

Designed for modern convenience, the system includes built-in Wi-Fi for smartphone control and full compatibility with Amazon Alexa and Google Assistant, allowing hands-free management. Its ductless design makes installation faster and more cost-effective than central HVAC systems while still providing robust coverage for larger living areas.

Rated up to 18.7 SEER2 and 9.3 HSPF2-4, the Advantage offers high efficiency for both heating and cooling. Homeowners also enjoy peace of mind with MRCOOL®’s strong warranty—1 year on parts, 2 years on the compressor, and 1 year on the remote (with registration). Those enrolled in the MRCOOL® Care Program gain access to a Limited Lifetime warranty for long-term reliability.

General Information
System Type: Ductless mini-split heat pump (indoor air handler + outdoor condenser)
Indoor Model: 5th Gen 24k BTU 230V Advantage Air Handler, A-24-HP-WMAH-230D-O
Outdoor Model: 5th Gen 24k BTU 230V Advantage Condenser,

A-24-HP-C-230D-O
Capacity: 24,000 BTU Cooling / Heating
Room Size: Up to ~1,050 sq ft
Operating Modes: Heating & Cooling
Refrigerant: R-454B (eco-friendly, low GWP)
Voltage: 230V

Key Features

• Eco-Friendly Refrigerant : R-454B reduces carbon footprint by ~80% GWP vs R-410A

• High Efficiency : Up to 18.7 SEER2, 9.3 HSPF2-4

• Quiet Comfort : Whisper-quiet performance for year-round use

• Smart Control : Built-in Wi-Fi, Alexa & Google Assistant integration

• Simplified Installation : Faster and more affordable than central HVAC

• Room Coverage : Ideal for spaces up to ~1,050 sq ft

• Warranty : 1-year parts, 2-year compressor, 1-year remote (with registration); Limited Lifetime via MRCOOL® Care Program

Specifications (Rated Conditions)
Cooling Capacity: 24,000 BTU
Heating Capacity: 24,000 BTU
SEER2: Up to 18.7
HSPF2-4: 9.3
Voltage: 230V
Coverage Area: Up to ~1,050 sq ft
Refrigerant: R-454B

Included Components

• Indoor air handler (24k BTU, 230V)

  A-24-HP-WMAH-230D-O

• Outdoor condenser (24k BTU, 230V)

  A-24-HP-C-230D-O

• Wireless remote control
  (Professional installation required)

Ideal For
Homeowners needing a quiet, eco-friendly, high-efficiency ductless solution for large rooms or open areas, with smart controls and strong warranty protection.