MrCool DIY 12k BTU 4th Gen Mini Split | Single Zone Up to 500 SqFt A/C and Heat Pump

MrCoolSKU: DIY-12-HP-WM-115C25

Coverage: ~500 sq ft
Pre-charged line set: Includes 1x 25 Ft.
Sale price$1,738.00


Product Details

 MRCOOL DIY Single Zone Area Coverage:
12,000 BTU - 500 Square Feet (Current Package)
18,000 BTU - 750 Square Feet
24,000 BTU - 1,000 Square Feet
36,000 BTU - 1,500 Square Feet


  • 12k BTU Condenser (x1)
  • 12k Air Handlers (x1)
  • 25ft. Line Set (x1)
  • Remote Controls (x1)

12k BTU Condenser

  • Heating Capacity: The DIY can heat at 100% capacity at – 5 degrees Fahrenheit, even with outdoor temperatures as low as -13 degrees Fahrenheit.
  • Cooling Capacity: The DIY can cool at 100% capacity with outdoor temperatures as high as 122 degrees Fahrenheit.
  • Dry Mode: The operating range is from 32°F to 122°F.

Air Handler, 12K BTU, Quantity 1

  • Large Coverage Area. Handler covers an area up to 500 sq. ft.
  • Versatile. Incredibly versatile and equipped with multiple operating modes, which include COOL, HEAT, AUTO, DRY (dehumidify), and SLEEP.
  • Easy to Control. This unit also has the capability to be controlled by your Apple or Android smartphone through the use of the Smart HVAC app.
  • Convenient Installation. With its light and compact design, it can be installed easily to most interior walls with the included mounting plate.

Line Set 

Order includes a 25ft. Line Set. You can also combine 2 lines with a coupler for 75ft max.

Additional Line Sets & Coupler

If you find the default line set lengths are not sufficient for your application, additional line sets are available for purchase. You will also need a coupler kit, which will allow two standard line sets to be connected together.

Specifications & Dimensions

Condenser Specifications

Model DIY-12-HP-C-115C25
AHRI Number 207339187
UPC 810035933743
Avg Coverage Area 500 - 600 Sq Ft
Compressor Inverter
Cooling Capacity 1 Ton
Electrical Phase 1-Phase
Heat Pump Efficiency (HSPF) 11.5
Line Set Connection Type Quick Connect
Liquid Line Size 1/4 inch
Max Overcurrent Protection 25 amps
Primary Heating Capacity 10,001 - 15,000 BTU
Product Height (in) 21.85
Product Length (in) 11.93
Product Width (in) 30.12
Refrigerant R-410a
Cooling Efficiency 19 SEER and Above
Series DIY
Suction Line Size 1/2 inch
System Application Type Ductless Split Systems
Voltage 120
Warranty 5 Year Parts, 7 Year Compressor
Weight (lbs) 65.7000
Region Compatibility Nationwide


Air Handler 12K BTU

Model DIY-12-HP-WMAH-115C25
UPC 810063868499
Air Flow Direction Horizontal
Configuration Wall Mounted
Blower Motor Variable Speed
Cooling Capacity 1 Ton
Electrical Phase 1-Phase
Line Set Connection Type Quick Connect
Liquid Line Size 1/4 inch
Max Overcurrent Protection 15 amps
Product Height (in) 11.69
Product Length (in) 7.44
Product Width (in) 31.57
Refrigerant R-410a
Series DIY
Suction Line Size 3/8 inch
System Application Type Ductless Split Systems
Voltage 120
Warranty 5 Year Parts
Weight (lbs) 34.1700

Coverage Area

Please refer to this coverage chart to determine how many BTUs are required for the area you would like to cool or heat.

Square Feet Range Required BTUs
180-375 9,000
376-500 12,000
501-750 18,000
751-1,000 24,000
1,001-1,500 36,000

*Please note that the above table shows the required BTUs based solely on the square footage of the area to be cooled or heated. Other factors, such as insulation, ceiling height, and the number of appliances in the room, can affect the performance of the cooling or heating system.

Information & Guides

Still Have Questions? 
Speak to a Live Expert
(888) 890-2388

Or Via Live Chat Below

Payment & Security

American Express Apple Pay Diners Club Discover Meta Pay Google Pay Mastercard PayPal Shop Pay Venmo Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

Customer Reviews

Be the first to write a review

You may also like

Recently viewed