HOT ! MRCOOL Advantage Series - R454B 18K BTU Heat Pump 230V Complete System

Complete Comfort Solution: MRCOOL Advantage 5th Gen 18k BTU Mini Split System

Take control of your home’s climate with the MRCOOL Advantage 5th Gen 18k BTU Complete System. This bundled package includes everything you need to start your professionally installed comfort journey: the high-performance Outdoor Condenser and the sleek Indoor Wall-Mounted Air Handler.

Designed to heat and cool large spaces up to 800 square feet, this 230V system is the perfect all-in-one solution for master suites, basements, and open-concept living areas. Now upgraded with R-454B eco-refrigerant, this complete pairing delivers a 19.2 SEER2 efficiency rating, whisper-quiet operation, and integrated SmartHVAC Wi-Fi control, ensuring premium comfort right out of the box.

⚠️ Important Installation Notice

Note: The MRCOOL® Advantage Series is not DIY-installable. This system must be installed by a licensed HVAC professional to ensure proper operation, safety, and full warranty coverage.

Key Features and Benefits

• 
  Complete System Bundle: One purchase gets you both the A-18-HP-C-230D-O Condenser and the A-18-HP-WMAH-230D-O Air Handler, ensuring perfect factory-matched performance.


• 
  18,000 BTU Capacity: Powerful enough to condition large rooms up to 800 sq. ft., making it ideal for studios, garages, or living rooms.


• 
  R-454B Eco-Refrigerant: The outdoor unit comes pre-charged with next-gen R-454B, offering improved efficiency and compliance with new environmental standards.


• 
  Smart Home Ready: The indoor unit features built-in Wi-Fi, allowing control via the SmartHVAC app (iOS/Android), Amazon Alexa, or Google Assistant.


• 
  Whisper-Quiet Comfort: The indoor head operates as low as 19 dB(A), while the outdoor unit hums quietly at 56 dB(A), keeping your home peaceful inside and out.


• 
  High-Voltage Power: Running on 208-230V, this system provides the robust, reliable power needed for 1.5-ton applications.


• 
  Gold Fin Protection: The condenser coils are treated with a corrosion-resistant coating to extend the life of your complete system.

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.

Complete 16-ft Installation Kit Included

Each MRCOOL® Advantage system includes a complete 16-ft installation kit designed for accurate, professional setup. The kit includes:

• Pre-flared refrigerant line sets


• Communication cable


• Condensate drain line


• Drain joint and seal


• Indoor unit mounting plate


• Cardboard wall template

Everything needed for a clean, efficient installation is included for the installer.

Gold Fin® Condenser Protection

Built for long-term outdoor performance, the MRCOOL® Advantage condenser features Gold Fin® coil coating for enhanced durability.

• Resists moisture, salt, and airborne chemicals


• Hydrophilic coating helps repel water droplets


• Designed for harsh and coastal environments

Benefits:

• Up to 5× corrosion resistance
  


• Approximately 20% longer condenser lifespan
  


• Maintains efficiency over time

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

Condenser Specifications

• 
  Model: A-18-HP-C-230D-O


• 
  Cooling/Heating Capacity: 18,000 BTU / 18,800 BTU (1.5 Ton)


• 
  SEER2 Rating: 19.2


• 
  Voltage: 208-230V (1 Phase, 60Hz)


• 
  Max Fuse Breaker: 20 A


• 
  Min Circuit Ampacity: 15 A


• 
  Refrigerant: R-454B (40.57 oz)


• 
  Line Set Sizes: 1/4\" Liquid / 1/2\" Suction


• 
  Max Line Set Length: 98.4 ft


• 
  Net Dimensions: 31.69\" x 21.81\" x 12.99\"


• 
  Net Weight: 72.31 lbs

Air Handler Specifications

• 
  Model: A-18-HP-WMAH-230D-O


• 
  Airflow (CFM): 429.7 / 388.5 / 259.0 / 217.8


• 
  Noise Level: Low 19 dB(A) / High 50.5 dB(A)


• 
  Voltage: 208-230V


• 
  Mount Type: Wall Mount


• 
  Net Dimensions: 37.99\" x 12.56\" x 8.46\"


• 
  Net Weight: 24.47 lbs


• 
  Included: Remote Control, Wi-Fi Module

Why You Should Get This Complete System

• 
  Convenience: Eliminate the guesswork of matching separate parts. This listing provides the matched indoor and outdoor units guaranteed to work seamlessly together.


• 
  Future-Proof: With R-454B refrigerant, your complete system meets the latest EPA regulations, ensuring parts and service availability for the long haul.

• 
  Cost-Effective: Buying the complete system offers excellent value, providing high-tier inverter technology and smart features at a competitive price.


• 
  Smart Living: Enjoy features like Auto Restart, Sleep Mode, and Louver Memory to automate your comfort.

Frequently Asked Questions