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MRCOOL Advantage Series - R454B 12K BTU Heat Pump 115V Complete System

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Experience Advanced Comfort with the MRCOOL Advantage 5th Gen 12k BTU Mini Split Heat Pump

Upgrade your home’s climate control with the MRCOOL Advantage 5th Gen 12k BTU Mini Split, a high-performance heating and cooling solution designed for modern efficiency. Engineered for spaces up to 550 square feet, this system utilizes standard 115V household voltage, making it an accessible choice for bedrooms, sunrooms, and home offices without requiring heavy-duty electrical conversions.

This 5th Generation model introduces the cutting-edge R-454B refrigerant, offering a lower Global Warming Potential (GWP) for an environmentally conscious footprint without sacrificing power. Paired with integrated Wi-Fi capabilities, you can control your temperature from anywhere using the SmartHVAC app. Whether you need whisper-quiet cooling or reliable heating, the Advantage Series delivers premium value and versatile performance.

MRCOOL Advantage Series - R454B 12K BTU Heat Pump 115V Complete System

⚠️ 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

Placeholder ImageMRCOOL Advantage Series Features
  • Optimized Performance: Delivers 12,000 BTU of cooling and heating power, effectively managing the climate in rooms up to 550 sq. ft.
  • High Efficiency Rating: Boasts a 21.2 SEER2 and 10.1 EER2 rating, ensuring lower energy bills while maintaining maximum comfort.
  • Eco-Friendly R-454B Refrigerant: Utilizes the latest generation refrigerant which reduces environmental impact and improves thermodynamic performance.
  • Standard 115V Compatibility: Operates on a standard 115-volt power supply, simplifying electrical requirements compared to higher voltage systems.
  • Smart Home Ready: Comes with built-in Wi-Fi, allowing for remote monitoring and control via the SmartHVAC app (iOS and Android compatible) or voice commands with Google Assistant and Amazon Alexa.
  • Ultra-Quiet Operation: The indoor air handler operates as low as 17.5 dB(A), providing a noise-free environment perfect for sleeping or working.
  • Advanced Filtration: Features a reusable filter to help improve indoor air quality by trapping dust and particulates.
  • Cold Climate Capability: Capable of heating even when outdoor temperatures drop, ensuring year-round usability.

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.

Smart Control from Anywhere - 5th Gen advantage series

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.

Complete 16-ft Installation Kit Included

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
MRCOOL 5th Gen advantage  Gold Fin® Condenser Protection

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.

MRCOOL Advantage Series - Installation Convenience

Why You Should Get This System

  • Value for Money: The Advantage Series offers the perfect balance of affordability and high-tier features, making it the ideal entry-level system for homeowners.
  • Future-Proofing: By using R-454B refrigerant, you are compliant with the latest environmental regulations, ensuring your unit remains serviceable for years to come.
  • Total Control: The ability to schedule, monitor, and adjust your temperature from your smartphone ensures you never walk into a hot or freezing room again.
  • Versatile Installation: The 115V requirement makes this unit highly adaptable for older homes or additions where 230V wiring may not be available.

Specifications

MRCOOL Advantage Series - Condenser

Condenser (Outdoor Unit) Specifications

  • Model: A-12-HP-C-115D-O
  • Cooling Capacity: 12,000 BTU (1 Ton)
  • Heating Capacity: 12,000 BTU
  • SEER2 Rating: 21.2
  • EER2 Rating: 10.1
  • HSPF2 (Region 4/5): 8.7 / 6.7
  • Voltage: 115V (1 Phase, 60Hz)
  • Max Fuse Breaker: 20 A
  • Min Circuit Ampacity: 19 A
  • Refrigerant Type: R-454B (Volume: 24.34 oz)
  • Noise Level: 54 dB(A)
  • Compressor Type: Rotary (DC Inverter)
  • Line Set Sizes: 1/4" Liquid, 3/8" Suction
  • Max Line Set Length: 82 ft
  • Net Dimensions (WxHxD): 30.12" x 21.85" x 11.93"
  • Net Weight: 61.29 lbs
  • Certifications: UL, CSA, ETL, AHRI Certified

MRCOOL Advantage Series - Air Handler

Air Handler (Indoor Unit) Specifications

  • Model: A-12-HP-WMAH-115D-O
  • Fan Speeds: 5 Speeds
  • Airflow (CFM): 341.4 / 309.0 / 206.0 / 176.6 / 94.2
  • Voltage: 115V
  • Max Fuse Breaker: 15 A
  • Min Circuit Ampacity: 3 A
  • Noise Level (Low/High): 17.5 dB(A) / 45 dB(A)
  • Mount Type: Wall Mount
  • Filter Type: Reusable
  • Smart Features: App Compatibility (iOS/Android), Remote Control Included
  • Net Dimensions (WxHxD): 31.57" x 11.69" x 7.44"
  • Net Weight: 19.4 lbs
  • Certifications: UL, CSA, ETL, AHRI Certified


Warranty Coverage

  • 2-Year Parts Warranty
  • 1-Year Compressor Warranty
  • 1-Year Remote Control Warranty
  • Limited Lifetime Coverage available with MRCOOL® Care Program enrollment

Frequently Asked Questions

Is this an MRCOOL DIY system?

No. This is the Advantage Series, which requires installation by a licensed HVAC professional. Installing it yourself will void the warranty.

What electrical circuit do I need?

This system runs on standard 115V power. You will need a dedicated circuit with a 20 Amp breaker and a Minimum Circuit Ampacity (MCA) of 19 Amps.

Why is the R-454B refrigerant better?

R-454B is the new industry standard. It offers higher energy efficiency and a lower environmental impact (GWP) than older R-410A models.

What room size does this unit handle?

With 12,000 BTUs of power, this model is designed to efficiently heat and cool rooms up to 550 square feet.

Best Price Guarantee

You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower! 

We love to chat! Give us a call and we'll see what we can do to get you the best deal!

Conditions of our 100% Price Match Guarantee:

  • Contact us to discuss the Price Match so we can look up the competitors price

  • Buy one, get one free offers and Rebates are not eligible

  • The item must be in stock on the competitors website

  • The competitor must be an online store, not a retail location

  • The website can't be a discounter or auction website ( such as eBay, overstock, etc.)

  • The company must be an Authorized Retailer of the product in question

  • The Price Match Guarantee is based on the final price of the product including shipping and taxes

Why Buy From Wild Oak Trail? 

We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.

We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!

We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.

Thanks for supporting our family and being part of the Wild Oak Trail community!

Description

Experience Advanced Comfort with the MRCOOL Advantage 5th Gen 12k BTU Mini Split Heat Pump

Upgrade your home’s climate control with the MRCOOL Advantage 5th Gen 12k BTU Mini Split, a high-performance heating and cooling solution designed for modern efficiency. Engineered for spaces up to 550 square feet, this system utilizes standard 115V household voltage, making it an accessible choice for bedrooms, sunrooms, and home offices without requiring heavy-duty electrical conversions.

This 5th Generation model introduces the cutting-edge R-454B refrigerant, offering a lower Global Warming Potential (GWP) for an environmentally conscious footprint without sacrificing power. Paired with integrated Wi-Fi capabilities, you can control your temperature from anywhere using the SmartHVAC app. Whether you need whisper-quiet cooling or reliable heating, the Advantage Series delivers premium value and versatile performance.

MRCOOL Advantage Series - R454B 12K BTU Heat Pump 115V Complete System

⚠️ 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

Placeholder ImageMRCOOL Advantage Series Features
  • Optimized Performance: Delivers 12,000 BTU of cooling and heating power, effectively managing the climate in rooms up to 550 sq. ft.
  • High Efficiency Rating: Boasts a 21.2 SEER2 and 10.1 EER2 rating, ensuring lower energy bills while maintaining maximum comfort.
  • Eco-Friendly R-454B Refrigerant: Utilizes the latest generation refrigerant which reduces environmental impact and improves thermodynamic performance.
  • Standard 115V Compatibility: Operates on a standard 115-volt power supply, simplifying electrical requirements compared to higher voltage systems.
  • Smart Home Ready: Comes with built-in Wi-Fi, allowing for remote monitoring and control via the SmartHVAC app (iOS and Android compatible) or voice commands with Google Assistant and Amazon Alexa.
  • Ultra-Quiet Operation: The indoor air handler operates as low as 17.5 dB(A), providing a noise-free environment perfect for sleeping or working.
  • Advanced Filtration: Features a reusable filter to help improve indoor air quality by trapping dust and particulates.
  • Cold Climate Capability: Capable of heating even when outdoor temperatures drop, ensuring year-round usability.

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.

Smart Control from Anywhere - 5th Gen advantage series

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.

Complete 16-ft Installation Kit Included

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
MRCOOL 5th Gen advantage  Gold Fin® Condenser Protection

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.

MRCOOL Advantage Series - Installation Convenience

Why You Should Get This System

  • Value for Money: The Advantage Series offers the perfect balance of affordability and high-tier features, making it the ideal entry-level system for homeowners.
  • Future-Proofing: By using R-454B refrigerant, you are compliant with the latest environmental regulations, ensuring your unit remains serviceable for years to come.
  • Total Control: The ability to schedule, monitor, and adjust your temperature from your smartphone ensures you never walk into a hot or freezing room again.
  • Versatile Installation: The 115V requirement makes this unit highly adaptable for older homes or additions where 230V wiring may not be available.

Specifications

MRCOOL Advantage Series - Condenser

Condenser (Outdoor Unit) Specifications

  • Model: A-12-HP-C-115D-O
  • Cooling Capacity: 12,000 BTU (1 Ton)
  • Heating Capacity: 12,000 BTU
  • SEER2 Rating: 21.2
  • EER2 Rating: 10.1
  • HSPF2 (Region 4/5): 8.7 / 6.7
  • Voltage: 115V (1 Phase, 60Hz)
  • Max Fuse Breaker: 20 A
  • Min Circuit Ampacity: 19 A
  • Refrigerant Type: R-454B (Volume: 24.34 oz)
  • Noise Level: 54 dB(A)
  • Compressor Type: Rotary (DC Inverter)
  • Line Set Sizes: 1/4" Liquid, 3/8" Suction
  • Max Line Set Length: 82 ft
  • Net Dimensions (WxHxD): 30.12" x 21.85" x 11.93"
  • Net Weight: 61.29 lbs
  • Certifications: UL, CSA, ETL, AHRI Certified

MRCOOL Advantage Series - Air Handler

Air Handler (Indoor Unit) Specifications

  • Model: A-12-HP-WMAH-115D-O
  • Fan Speeds: 5 Speeds
  • Airflow (CFM): 341.4 / 309.0 / 206.0 / 176.6 / 94.2
  • Voltage: 115V
  • Max Fuse Breaker: 15 A
  • Min Circuit Ampacity: 3 A
  • Noise Level (Low/High): 17.5 dB(A) / 45 dB(A)
  • Mount Type: Wall Mount
  • Filter Type: Reusable
  • Smart Features: App Compatibility (iOS/Android), Remote Control Included
  • Net Dimensions (WxHxD): 31.57" x 11.69" x 7.44"
  • Net Weight: 19.4 lbs
  • Certifications: UL, CSA, ETL, AHRI Certified


Warranty Coverage

  • 2-Year Parts Warranty
  • 1-Year Compressor Warranty
  • 1-Year Remote Control Warranty
  • Limited Lifetime Coverage available with MRCOOL® Care Program enrollment

Frequently Asked Questions

Is this an MRCOOL DIY system?

No. This is the Advantage Series, which requires installation by a licensed HVAC professional. Installing it yourself will void the warranty.

What electrical circuit do I need?

This system runs on standard 115V power. You will need a dedicated circuit with a 20 Amp breaker and a Minimum Circuit Ampacity (MCA) of 19 Amps.

Why is the R-454B refrigerant better?

R-454B is the new industry standard. It offers higher energy efficiency and a lower environmental impact (GWP) than older R-410A models.

What room size does this unit handle?

With 12,000 BTUs of power, this model is designed to efficiently heat and cool rooms up to 550 square feet.

Best Price Guarantee!

Best Price Guarantee

You'll get the best price available at Wild Oak Trail! We'll match anyone who has it lower! 

We love to chat! Give us a call and we'll see what we can do to get you the best deal!

Conditions of our 100% Price Match Guarantee:

  • Contact us to discuss the Price Match so we can look up the competitors price

  • Buy one, get one free offers and Rebates are not eligible

  • The item must be in stock on the competitors website

  • The competitor must be an online store, not a retail location

  • The website can't be a discounter or auction website ( such as eBay, overstock, etc.)

  • The company must be an Authorized Retailer of the product in question

  • The Price Match Guarantee is based on the final price of the product including shipping and taxes

Why Buy From Us

Why Buy From Wild Oak Trail? 

We’re a family-run business. My Wife Hailey and I run this business with our small staff of 3 awesome people. When you shop with Wild Oak Trail, you're supporting real people, not a big corporation.

We truly care. We’re here before, during, and after your purchase. Good products and great service—that’s how we earn your trust. We see and celebrate EVERY sale that comes in!

We choose quality. If we wouldn’t use it ourselves, we won’t offer it. Our goal is to make you happy enough to tell your friends.

Thanks for supporting our family and being part of the Wild Oak Trail community!