Mr. Cool Advantage 9,000 BTU 21.2 SEER2 Wall Mounted Heat Pump System (230V) - R454B

MRCOOL® A-09-HP-WMAH-230D-O & A-09-HP-C-230D-O 9k BTU 230V Advantage Mini-Split System – 5th Generation R-454B Ductless Heat Pump

The A-09-HP-WMAH-230D-O & A-09-HP-C-230D-O 5th Generation MRCOOL® 9k BTU 230V Advantage Mini-Split delivers reliable heating and cooling with eco-friendly R-454B refrigerant, offering enhanced efficiency, reduced greenhouse gas emissions, and a Global Warming Potential nearly 80% lower than R-410A. Perfect for spaces up to 400 sq. ft., this ductless system combines quiet operation with advanced performance, making it an excellent upgrade for homeowners seeking affordable year-round comfort. With a SEER2 rating of up to 21.2 and an HSPF2-4 of 9.1, it optimizes energy usage while reducing costs. Built-in Wi-Fi enables smart control through your phone, Amazon Alexa, or Google Assistant, letting you manage your comfort with ease. Enjoy peace of mind with MRCOOL®’s warranty—1 year on parts, 2 years on the compressor, and 1 year on the remote—plus optional Limited Lifetime coverage with the MRCOOL® Care Program.

General Information
System Type: Ductless mini-split heat pump
Capacity: 9,000 BTU Heating & Cooling
Room Size: Up to 400 sq. ft.
Operating Modes: Heating & Cooling
Refrigerant: R-454B (eco-friendly, low GWP)
Voltage: 230V
SEER2: Up to 21.2
HSPF2-4: 9.1

Key Features

• Eco-Friendly Refrigerant: R-454B with a GWP nearly 80% lower than R-410A

• High Efficiency: Up to 21.2 SEER2 and 9.1 HSPF2-4 for energy savings

• Quiet Operation: Comfortable climate control without disruptive noise

• Smart Comfort Control: Wi-Fi enabled; works with app, Alexa, and Google Assistant

• Convenient Design: Sleek, ductless system ideal for small to medium spaces

• Low Maintenance: Washable filter and streamlined operation

• Warranty Coverage: 1 year parts, 2 years compressor, 1 year remote; optional Limited Lifetime with MRCOOL® Care Program

Ideal For
Homeowners who want quiet, energy-efficient, and eco-friendly heating and cooling in smaller spaces, with smart control features and dependable warranty protection.