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MRCOOL DIY® 5th Gen E Star 12,000 BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O
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MRCOOL DIY® 5th Gen E Star 12,000 BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O

MRCOOL DIY® 5th Gen E Star 12,000 BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O

MRCOOL DIY® 5th Gen 12,000 BTU Single Zone Mini Split Air Handler – 115V (DIY-12-HP-WMAH-115D25-O)

The MRCOOL DIY® 5th Gen 12K BTU Single Zone Mini Split Air Handler is designed for year-round heating and cooling, providing energy-efficient climate control for spaces 350 to 500 sq. ft.. This air handler pairs with the MRCOOL DIY® 5th Gen Condenser, delivering seamless operation, customizable comfort, and wireless control.

With a simple DIY installation, this indoor unit is easy to set up with the pre-charged QuickConnect® line set (sold separately). Enjoy hands-free temperature control via the SmartHVAC app, Amazon Alexa, or Google Assistant, or use the included remote.

📌 This listing includes only the indoor air handler. A compatible MRCOOL DIY® 5th Gen Condenser is required for full system operation.


Key Features & Benefits:

DIY Installation – No HVAC Technician Required

  • Works with pre-charged DIY® QuickConnect® line set (sold separately) for a vacuum-free installation.
  • No special tools or professional experience needed—perfect for DIYers.

Powerful Heating & Cooling

  • 12,000 BTU capacity, ideal for 350-500 sq. ft. rooms.
  • Operates on 115V power supply.

Smart Climate Control for Maximum Comfort

  • Adjust settings via SmartHVAC app (iOS & Android), remote, or voice commands with Amazon Alexa & Google Assistant.
  • Follow Me Function optimizes comfort by adjusting airflow based on the remote’s location.

Dehumidification Mode for Improved Air Quality

  • Dry Mode reduces excess humidity, enhancing indoor air quality.

DIYPRO® Cable – Enhanced Durability

  • Eliminates the need for electrical conduit, providing extra protection against outdoor elements and wildlife.

Industry-Leading Warranty

  • Limited Lifetime Warranty on select components.
  • 7-Year Compressor Warranty and 5-Year Parts Warranty.

Certified for Quality & Safety

  • Intertek listed (5031495) for compliance with performance, safety, and energy efficiency standards.

Specifications:

  • Brand: MRCOOL DIY®
  • Model: DIY-12-HP-WMAH-115D25-O
  • Capacity: 12,000 BTU
  • Coverage Area: 350-500 sq. ft.
  • Power Supply: 115V
  • Compatible Line Set: DIY® QuickConnect® (sold separately)
  • Control Options: Remote, SmartHVAC App, Alexa, Google Assistant
  • Functions: Heating, Cooling, Dehumidification (Dry Mode), Follow Me Function
  • Certifications: Intertek Listed 5031495
  • Compressor Warranty: 7 Years
  • Parts Warranty: 5 Years

Important Notes:

📌 This listing includes only the indoor air handler. A compatible MRCOOL DIY® 5th Gen Condenser is required for full system operation.

📌 Stock images may be used—actual product appearance may vary slightly.

📌 Professional Installation Not Required – Designed for DIY installation, but must be paired with a compatible MRCOOL outdoor condenser for full operation.


Need Help? Contact Us!

If you have any questions about the MRCOOL DIY® 5th Gen 12K BTU Mini Split Air Handler, please call us to speak with a customer service representative. They will be happy to assist you!

As always, purchase your MRCOOL parts and equipment from MRCOOL DIY Direct, the USA’s most trusted MRCOOL dealer.

$275.10

Original: $786.00

-65%
MRCOOL DIY® 5th Gen E Star 12,000 BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O

$786.00

$275.10

More Images

MRCOOL DIY® 5th Gen E Star 12,000 BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O - Image 2

MRCOOL DIY® 5th Gen E Star 12,000 BTU Single Zone Mini Split Air Handler 115V, DIY-12-HP-WMAH-115D25-O

MRCOOL DIY® 5th Gen 12,000 BTU Single Zone Mini Split Air Handler – 115V (DIY-12-HP-WMAH-115D25-O)

The MRCOOL DIY® 5th Gen 12K BTU Single Zone Mini Split Air Handler is designed for year-round heating and cooling, providing energy-efficient climate control for spaces 350 to 500 sq. ft.. This air handler pairs with the MRCOOL DIY® 5th Gen Condenser, delivering seamless operation, customizable comfort, and wireless control.

With a simple DIY installation, this indoor unit is easy to set up with the pre-charged QuickConnect® line set (sold separately). Enjoy hands-free temperature control via the SmartHVAC app, Amazon Alexa, or Google Assistant, or use the included remote.

📌 This listing includes only the indoor air handler. A compatible MRCOOL DIY® 5th Gen Condenser is required for full system operation.


Key Features & Benefits:

DIY Installation – No HVAC Technician Required

  • Works with pre-charged DIY® QuickConnect® line set (sold separately) for a vacuum-free installation.
  • No special tools or professional experience needed—perfect for DIYers.

Powerful Heating & Cooling

  • 12,000 BTU capacity, ideal for 350-500 sq. ft. rooms.
  • Operates on 115V power supply.

Smart Climate Control for Maximum Comfort

  • Adjust settings via SmartHVAC app (iOS & Android), remote, or voice commands with Amazon Alexa & Google Assistant.
  • Follow Me Function optimizes comfort by adjusting airflow based on the remote’s location.

Dehumidification Mode for Improved Air Quality

  • Dry Mode reduces excess humidity, enhancing indoor air quality.

DIYPRO® Cable – Enhanced Durability

  • Eliminates the need for electrical conduit, providing extra protection against outdoor elements and wildlife.

Industry-Leading Warranty

  • Limited Lifetime Warranty on select components.
  • 7-Year Compressor Warranty and 5-Year Parts Warranty.

Certified for Quality & Safety

  • Intertek listed (5031495) for compliance with performance, safety, and energy efficiency standards.

Specifications:

  • Brand: MRCOOL DIY®
  • Model: DIY-12-HP-WMAH-115D25-O
  • Capacity: 12,000 BTU
  • Coverage Area: 350-500 sq. ft.
  • Power Supply: 115V
  • Compatible Line Set: DIY® QuickConnect® (sold separately)
  • Control Options: Remote, SmartHVAC App, Alexa, Google Assistant
  • Functions: Heating, Cooling, Dehumidification (Dry Mode), Follow Me Function
  • Certifications: Intertek Listed 5031495
  • Compressor Warranty: 7 Years
  • Parts Warranty: 5 Years

Important Notes:

📌 This listing includes only the indoor air handler. A compatible MRCOOL DIY® 5th Gen Condenser is required for full system operation.

📌 Stock images may be used—actual product appearance may vary slightly.

📌 Professional Installation Not Required – Designed for DIY installation, but must be paired with a compatible MRCOOL outdoor condenser for full operation.


Need Help? Contact Us!

If you have any questions about the MRCOOL DIY® 5th Gen 12K BTU Mini Split Air Handler, please call us to speak with a customer service representative. They will be happy to assist you!

As always, purchase your MRCOOL parts and equipment from MRCOOL DIY Direct, the USA’s most trusted MRCOOL dealer.

Product Information

Shipping & Returns

Description

MRCOOL DIY® 5th Gen 12,000 BTU Single Zone Mini Split Air Handler – 115V (DIY-12-HP-WMAH-115D25-O)

The MRCOOL DIY® 5th Gen 12K BTU Single Zone Mini Split Air Handler is designed for year-round heating and cooling, providing energy-efficient climate control for spaces 350 to 500 sq. ft.. This air handler pairs with the MRCOOL DIY® 5th Gen Condenser, delivering seamless operation, customizable comfort, and wireless control.

With a simple DIY installation, this indoor unit is easy to set up with the pre-charged QuickConnect® line set (sold separately). Enjoy hands-free temperature control via the SmartHVAC app, Amazon Alexa, or Google Assistant, or use the included remote.

📌 This listing includes only the indoor air handler. A compatible MRCOOL DIY® 5th Gen Condenser is required for full system operation.


Key Features & Benefits:

DIY Installation – No HVAC Technician Required

  • Works with pre-charged DIY® QuickConnect® line set (sold separately) for a vacuum-free installation.
  • No special tools or professional experience needed—perfect for DIYers.

Powerful Heating & Cooling

  • 12,000 BTU capacity, ideal for 350-500 sq. ft. rooms.
  • Operates on 115V power supply.

Smart Climate Control for Maximum Comfort

  • Adjust settings via SmartHVAC app (iOS & Android), remote, or voice commands with Amazon Alexa & Google Assistant.
  • Follow Me Function optimizes comfort by adjusting airflow based on the remote’s location.

Dehumidification Mode for Improved Air Quality

  • Dry Mode reduces excess humidity, enhancing indoor air quality.

DIYPRO® Cable – Enhanced Durability

  • Eliminates the need for electrical conduit, providing extra protection against outdoor elements and wildlife.

Industry-Leading Warranty

  • Limited Lifetime Warranty on select components.
  • 7-Year Compressor Warranty and 5-Year Parts Warranty.

Certified for Quality & Safety

  • Intertek listed (5031495) for compliance with performance, safety, and energy efficiency standards.

Specifications:

  • Brand: MRCOOL DIY®
  • Model: DIY-12-HP-WMAH-115D25-O
  • Capacity: 12,000 BTU
  • Coverage Area: 350-500 sq. ft.
  • Power Supply: 115V
  • Compatible Line Set: DIY® QuickConnect® (sold separately)
  • Control Options: Remote, SmartHVAC App, Alexa, Google Assistant
  • Functions: Heating, Cooling, Dehumidification (Dry Mode), Follow Me Function
  • Certifications: Intertek Listed 5031495
  • Compressor Warranty: 7 Years
  • Parts Warranty: 5 Years

Important Notes:

📌 This listing includes only the indoor air handler. A compatible MRCOOL DIY® 5th Gen Condenser is required for full system operation.

📌 Stock images may be used—actual product appearance may vary slightly.

📌 Professional Installation Not Required – Designed for DIY installation, but must be paired with a compatible MRCOOL outdoor condenser for full operation.


Need Help? Contact Us!

If you have any questions about the MRCOOL DIY® 5th Gen 12K BTU Mini Split Air Handler, please call us to speak with a customer service representative. They will be happy to assist you!

As always, purchase your MRCOOL parts and equipment from MRCOOL DIY Direct, the USA’s most trusted MRCOOL dealer.