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Main product image of DIY 5th Gen 12,000 BTU, R-454B, 23.5 SEER2 Energy Star Ductless Heat Pump Wall Mount Air Handler Indoor Unit w/ 25 ft. DIYPro Cable (115V)
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DIY 5th Gen 12,000 BTU, R-454B, 23.5 SEER2 Energy Star Ductless Heat Pump Wall Mount Air Handler Indoor Unit w/ 25 ft. DIYPro Cable (115V)

Brand:
MRCOOL
SKU:
DIY-12-HP-WMAH-115D25-O
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DIY 5th Gen 12,000 BTU, R-454B, 23.5 SEER2 Energy Star Ductless Heat Pump Wall Mount Air Handler Indoor Unit w/ 25 ft. DIYPro Cable (115V)
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DIY-12-HP-WMAH-115D25-O has been discontinued
Discontinued November 15, 2025
This product was discontinued because the part number was changed by the manufacturer. No modifications were made to the replacement product.
Direct Replacement:
DIY 5th Gen 12,000 BTU, R-454B, 23.5 SEER2 Energy Star Ductless Heat Pump Wall Mount Air Handler Indoor Unit w/ 25 ft. DIYPro Cable (115V)
Brand:
MRCOOL
SKU:DIY12HP-WMAH115D25-O
(0)
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Product Highlights

Product Highlight: Cooling Capacity (BTU)
12000 BTUs
Product Highlight: Heating Capacity (BTU)
12000 BTUs
Product Highlight: Refrigerant Type
R-454B
Product Highlight: Voltage
115V
Product Highlight: Mount
Wall
Product Highlight: Number of Zones
1

Description

In compliance with the AIM Act of 2020, this product is designed for use with A2L appliances only. This product is NOT to be used in the installation or repair of R410A appliances.


Note: As of January 1, 2023 the US Department of Energy released a new SEER2 standard that provides manufacturers guidance in measuring the efficiency of their HVAC units. 

The US Department of Energy divided the country into 3 regions (North, Southeast, and Southwest) and established energy efficient standards for each. 

Please check the SEER2 site to ensure efficiency compliance for your region.

Rebates: 

This product qualifies for a federal tax rebate of up to $2,000. Federal Rebate click for more info

In addition to the federal rebate, you may also be eligible for rebates from your local utility company and state. Search your zip code in the link below for information about local rebate programs that may apply to you. MRCOOL Rebate Center 


The patented MRCOOL Series heat pump is the only ductless mini-split system on the market specifically designed for amateur installation. No special tools or training are necessary to install this high-efficiency heat pump.


Features:

  • Easy DIY installation
  • Smartphone App - Control your MRCOOL DIY anywhere with your Apple or Android smart device and an internet connection.
  • Easy Quick Connect - With our patented, simple quick connect lines you'll be able to install your MRCOOL DIY without needing specialized training or expensive tools.
  • Leakage Detection
  • DIY Pro Cable - Future-proof your investment with the included DIYPro cable, eliminating the need for electrical conduit.
  • Low Ambient Cooling
  • DC Inverter
  • Gold Fin Condenser
  • Follow Me Function - Keep the included remote close by, and MRCOOL DIY will track the air temperature around you to ensure maximum comfort.

Specs

Refrigerant Type:

R-454B

Voltage:

115V

Cooling Capacity (BTU):

12000

Mount:

Wall

Product Type:

Indoor Unit

Number of Zones:

1

SEER2:

23.5

Phase:

1

Amperage:

3

EER2:

12.5

Coverage (Sq Ft.):

550

Heating Capacity (BTU):

12000

Energy Star Rated:

Yes

Contact

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