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MRCOOL Advantage Series - R454B 9K BTU Heat Pump 230V Complete System

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Efficient 230V Ductless Mini Split Heating & Cooling for Small Spaces

The MRCOOL Advantage Series 5th Gen 9K BTU 230V Ductless Mini Split Heat Pump delivers reliable, energy-efficient heating and cooling for rooms up to 400 sq. ft. Designed for professional installation, this system uses R-454B refrigerant for improved efficiency and lower environmental impact while maintaining quiet, consistent comfort year-round.

MRCOOL Advantage Series - R454B 9K BTU Heat Pump 230V 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
  • 9,000 BTU Cooling / 10,000 BTU Heating – Ideal for bedrooms, offices, and small living spaces
  • 230V Power Supply – Supports efficient, consistent performance
  • R-454B Refrigerant – Lower GWP and improved efficiency compared to older refrigerants
  • Ductless Design – No ductwork required, reducing installation complexity
  • Built-In WiFi – Control temperature remotely via the SmartHVAC app
  • Quiet Operation – Low indoor sound levels for comfortable daily use
  • DC Inverter Technology – Maintains steady temperatures while optimizing energy use
  • ENERGY STAR® & AHRI Certified – Verified efficiency and performance standards

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

Specifications

MRCOOL Advantage Series - Condenser

Condenser Specifications

  • Brand Name: MRCOOL
  • Series: Advantage 5th Gen
  • Model: A-09-HP-C-230D-O
  • Unit Type: Mini-Split
  • Equipment Type: Condenser
  • Cooling Capacity (BTU): 9000
  • Heating Capacity (BTU): 10000
  • Tonnage: 0.75
  • SEER2: 21.2
  • EER2: 12.6
  • HSPF2-4: 9.1
  • HSPF2-5: 7
  • Voltage (V): 208–230
  • Phase: 1
  • Cycle: 60
  • Max Fuse Breaker (A): 15
  • Min Circuit Ampacity (A): 12
  • Zone Capacity: 1
  • Refrigerant Type: R-454B
  • Refrigerant Volume (oz): 21.52
  • Decibel Rating (dBA): 53.5
  • Inverter: DC
  • Max Lineset Length (ft): 82
  • Liquid Line Size: 1/4"
  • Suction Line Size: 3/8"
  • Compressor Motor Type: Rotary
  • Overload Protection: Yes
  • ENERGY STAR Certified: Yes
  • AHRI Certified: Yes
  • Net Dimensions (WxHxD): 30.12" x 21.85" x 11.93"
  • Net Weight: 54.23 lbs

MRCOOL Advantage Series - Air Handler

Air Handler Specifications

  • Brand Name: MRCOOL
  • Series: Advantage 5th Gen
  • Model: A-09-HP-WMAH-230D-O
  • Unit Type: Mini-Split
  • Equipment Type: Air Handler
  • Cooling Capacity (BTU): 9000
  • Tonnage: 0.75
  • Voltage (V): 208–230
  • Phase: 1
  • Cycle: 60
  • Mount Type: Wall
  • Color: White
  • CFM: 312.0 / 264.9 / 194.2 / 153.0 / 105.9
  • Number of Speeds: 5
  • Decibel Rating (dBA): 31.5
  • Decibel Rating Low (dBA): 18.5
  • Decibel Rating High (dBA): 40.5
  • Filter Type: Reusable
  • Max Lineset Length (ft): 82
  • Liquid Line Size: 1/4"
  • Suction Line Size: 3/8"
  • App Compatibility: Yes
  • Works With iOS: Yes
  • Works With Android: Yes
  • Remote Control Included: Yes
  • Net Dimensions (WxHxD): 28.43" x 11.42" x 7.36"
  • Net Weight: 16.98 lbs


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 ductless mini split DIY-installable?

No. The MRCOOL Advantage Series must be installed by a licensed HVAC professional for proper operation and warranty coverage.

What size room is the 9K BTU system designed for?

It is recommended for spaces up to approximately 400 square feet, depending on insulation and layout.

Does this system support WiFi control?

Yes. Built-in WiFi allows remote control through the SmartHVAC app on iOS and Android devices.

What refrigerant does this system use?

This unit uses R-454B refrigerant, which has a lower Global Warming Potential and improved efficiency compared to older refrigerants.

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

Efficient 230V Ductless Mini Split Heating & Cooling for Small Spaces

The MRCOOL Advantage Series 5th Gen 9K BTU 230V Ductless Mini Split Heat Pump delivers reliable, energy-efficient heating and cooling for rooms up to 400 sq. ft. Designed for professional installation, this system uses R-454B refrigerant for improved efficiency and lower environmental impact while maintaining quiet, consistent comfort year-round.

MRCOOL Advantage Series - R454B 9K BTU Heat Pump 230V 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
  • 9,000 BTU Cooling / 10,000 BTU Heating – Ideal for bedrooms, offices, and small living spaces
  • 230V Power Supply – Supports efficient, consistent performance
  • R-454B Refrigerant – Lower GWP and improved efficiency compared to older refrigerants
  • Ductless Design – No ductwork required, reducing installation complexity
  • Built-In WiFi – Control temperature remotely via the SmartHVAC app
  • Quiet Operation – Low indoor sound levels for comfortable daily use
  • DC Inverter Technology – Maintains steady temperatures while optimizing energy use
  • ENERGY STAR® & AHRI Certified – Verified efficiency and performance standards

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

Specifications

MRCOOL Advantage Series - Condenser

Condenser Specifications

  • Brand Name: MRCOOL
  • Series: Advantage 5th Gen
  • Model: A-09-HP-C-230D-O
  • Unit Type: Mini-Split
  • Equipment Type: Condenser
  • Cooling Capacity (BTU): 9000
  • Heating Capacity (BTU): 10000
  • Tonnage: 0.75
  • SEER2: 21.2
  • EER2: 12.6
  • HSPF2-4: 9.1
  • HSPF2-5: 7
  • Voltage (V): 208–230
  • Phase: 1
  • Cycle: 60
  • Max Fuse Breaker (A): 15
  • Min Circuit Ampacity (A): 12
  • Zone Capacity: 1
  • Refrigerant Type: R-454B
  • Refrigerant Volume (oz): 21.52
  • Decibel Rating (dBA): 53.5
  • Inverter: DC
  • Max Lineset Length (ft): 82
  • Liquid Line Size: 1/4"
  • Suction Line Size: 3/8"
  • Compressor Motor Type: Rotary
  • Overload Protection: Yes
  • ENERGY STAR Certified: Yes
  • AHRI Certified: Yes
  • Net Dimensions (WxHxD): 30.12" x 21.85" x 11.93"
  • Net Weight: 54.23 lbs

MRCOOL Advantage Series - Air Handler

Air Handler Specifications

  • Brand Name: MRCOOL
  • Series: Advantage 5th Gen
  • Model: A-09-HP-WMAH-230D-O
  • Unit Type: Mini-Split
  • Equipment Type: Air Handler
  • Cooling Capacity (BTU): 9000
  • Tonnage: 0.75
  • Voltage (V): 208–230
  • Phase: 1
  • Cycle: 60
  • Mount Type: Wall
  • Color: White
  • CFM: 312.0 / 264.9 / 194.2 / 153.0 / 105.9
  • Number of Speeds: 5
  • Decibel Rating (dBA): 31.5
  • Decibel Rating Low (dBA): 18.5
  • Decibel Rating High (dBA): 40.5
  • Filter Type: Reusable
  • Max Lineset Length (ft): 82
  • Liquid Line Size: 1/4"
  • Suction Line Size: 3/8"
  • App Compatibility: Yes
  • Works With iOS: Yes
  • Works With Android: Yes
  • Remote Control Included: Yes
  • Net Dimensions (WxHxD): 28.43" x 11.42" x 7.36"
  • Net Weight: 16.98 lbs


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 ductless mini split DIY-installable?

No. The MRCOOL Advantage Series must be installed by a licensed HVAC professional for proper operation and warranty coverage.

What size room is the 9K BTU system designed for?

It is recommended for spaces up to approximately 400 square feet, depending on insulation and layout.

Does this system support WiFi control?

Yes. Built-in WiFi allows remote control through the SmartHVAC app on iOS and Android devices.

What refrigerant does this system use?

This unit uses R-454B refrigerant, which has a lower Global Warming Potential and improved efficiency compared to older refrigerants.

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!