MRCOOL DIY Ductless Mini Split Systems

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A MRCOOL DIY mini split system is the perfect solution for keeping a single room or area cool in the summer and warm in the winter --- and you save big with no installation costs due to its easy do-it-yourself air conditioner installation. Ideal for additions, garages, workshops, or rooms, MRCOOL DIY air conditioning systems allow you to customize the heating and cooling in a specific space.

We carry four sizes of MRCOOL DIY ductless mini split AC systems at prices that can save you hundreds of dollars. We also offer free shipping and expert service from trained HVAC technicians who will help you find the right solution.

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  1. MRCOOL DIY 12,000 BTU Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    MRCOOL DIY 12,000 BTU 22 SEER Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    Model: DIY-12-HP-115B25
    Rating:
    79%
    $1,627.00
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  2. MRCOOL DIY 18,000 BTU Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    MRCOOL DIY 18,000 BTU 20 SEER Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    Model: DIY-18-HP-230B25
    Rating:
    100%
    $1,744.00
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  3. MRCOOL DIY 24,000 BTU Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    MRCOOL DIY 24,000 BTU 20 SEER Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    Model: DIY-24-HP-230B25
    Rating:
    98%
    $2,192.00
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  4. MRCOOL DIY 36,000 BTU Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    MRCOOL DIY 36,000 BTU 16 SEER Ductless Mini Split AC and Heat Pump with Wireless-Enabled Smart Controller
    Model: DIY-36-HP-230B25
    Rating:
    100%
    $2,745.06
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  5. DIY 18,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 9,000+9,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 18,000 BTU 22 SEER MRCOOL Dual Zone Heat Pump System 9+9 - Wall Mounted
    Model: DIYM227HPW00BK1
    Special Price $2,874.95
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  6. DIY 21,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 12,000+9,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 21,000 BTU 22 SEER MRCOOL Dual Zone Heat Pump System 12+9 - Wall Mounted
    Model: DIYM227HPW01BK1
    Special Price $2,973.97
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  7. DIY 27,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 18,000+9,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 27,000 BTU 22 SEER MRCOOL Dual Zone Heat Pump System 18+9 - Wall Mounted
    Model: DIYM227HPW02BK1
    Special Price $3,040.91
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  8. DIY 24,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 12,000+12,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 24,000 BTU 22 SEER MRCOOL Dual Zone Heat Pump System 12+12 - Wall Mounted
    Model: DIYM227HPW03BK1
    Special Price $3,072.99
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  9. DIY 27,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 18,000+12,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 27,000 BTU 22 SEER MRCOOL Dual Zone Heat Pump System 18+12 - Wall Mounted
    Model: DIYM227HPW04BK1
    Rating:
    80%
    Special Price $3,139.93
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  10. DIY 27,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+9,000+9,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 27,000 BTU 22 SEER MRCOOL Tri Zone Heat Pump System 9+9+9 - Wall Mounted
    Model: DIYM327HPW00BK1
    Special Price $3,313.95
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  11. DIY 27,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+9,000+12,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 27,000 BTU 22 SEER MRCOOL Tri Zone Heat Pump System 9+9+12 - Wall Mounted
    Model: DIYM327HPW01BK1
    Special Price $3,412.97
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  12. MRCOOL 36,000 BTU 18 SEER Universal Series Unitary Heat Pump Air Conditioner System
    3 Ton 18 SEER MRCOOL Universal Series Heat Pump System
    Model: MDU18036
    Rating:
    97%
    $3,450.00
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  13. MRCOOL 24,000 BTU 18 SEER Universal Series Unitary Heat Pump Air Conditioner System
    2 Ton 20 SEER MRCOOL Universal Series Heat Pump System
    Model: MDU18024
    Rating:
    97%
    $3,450.00
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  14. DIY 27,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 9,000+18,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 27,000 BTU 21.5 SEER MRCOOL Dual Zone Heat Pump System 9+18 - Wall Mounted
    Model: DIYM236HPW00BK1
    Rating:
    100%
    Special Price $3,797.60
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  15. DIY 30,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 12,000+18,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 30,000 BTU 21.5 SEER MRCOOL Dual Zone Heat Pump System 12+18 - Wall Mounted
    Model: DIYM236HPW03BK1
    Rating:
    100%
    Special Price $3,896.62
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  16. DIY 33,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 9,000+24,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 33,000 BTU 21.5 SEER MRCOOL Dual Zone Heat Pump System 9+24 - Wall Mounted
    Model: DIYM236HPW01BK1
    Rating:
    100%
    Special Price $3,941.64
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  17. DIY 36,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 18,000+18,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 36,000 BTU 21.5 SEER MRCOOL Dual Zone Heat Pump System 18+18 - Wall Mounted
    Model: DIYM236HPW05BK1
    Rating:
    100%
    Special Price $3,963.56
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  18. DIY 36,000 BTU Ductless Heat Pump 2 Zone Wall Mounted 12,000+24,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 36,000 BTU 21.5 SEER MRCOOL Dual Zone Heat Pump System 12+24 - Wall Mounted
    Model: DIYM236HPW04BK1
    Rating:
    100%
    Special Price $4,040.66
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  19. DIY 30,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+9,000+12,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 30,000 BTU 21.5 SEER MRCOOL Tri Zone Heat Pump System 9+9+12 - Wall Mounted
    Model: DIYM336HPW01BK1
    Rating:
    100%
    Special Price $4,169.66
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  20. MRCOOL 48,000 BTU 18 SEER Universal Series Unitary Heat Pump Air Conditioner System
    4 Ton 18 SEER MRCOOL Universal Series Heat Pump System
    Model: MDU18048
    Rating:
    89%
    $4,225.00
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  21. DIY 36,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+9,000+18,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 36,000 BTU 21.5 SEER MRCOOL Tri Zone Heat Pump System 9+9+18 - Wall Mounted
    Model: DIYM336HPW02BK1
    Rating:
    100%
    Special Price $4,236.60
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  22. DIY 33,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+12,000+12,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 33,000 BTU 21.5 SEER MRCOOL Tri Zone Heat Pump System 9+12+12 - Wall Mounted
    Model: DIYM336HPW04BK1
    Rating:
    100%
    Special Price $4,268.68
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  23. DIY 36,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 9,000+12,000+18,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 36,000 BTU 21.5 SEER MRCOOL Tri Zone Heat Pump System 9+12+18 - Wall Mounted
    Model: DIYM336HPW05BK1
    Rating:
    100%
    Special Price $4,335.62
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  24. DIY 36,000 BTU Ductless Heat Pump 3 Zone Wall Mounted 12,000+12,000+12,000 with 16FT Install Kit 230-Volt/60Hz
    DIY 36,000 BTU 21.5 SEER MRCOOL Tri Zone Heat Pump System 12+12+12 - Wall Mounted
    Model: DIYM336HPW06BK1
    Rating:
    100%
    Special Price $4,367.70
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Items 1-24 of 35

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A mini split air conditioner is a convenient and personalized cooling solution for homes or buildings that don’t have ductwork. The indoor evaporator air handler and outdoor condenser are connected by copper tubing and a drain line via a small hole in the wall. They’re an excellent solution for a single room and a cost-effective HVAC alternative for garages, studios and sheds.

We have an assortment of DIY mini splits that almost anyone, even people who aren’t overly handy, can quickly install. A MRCOOL DIY 12K BTU Mini Split (1 ton) A/C and heat pump can regulate temperatures in a a large bedroom or living room. For shops and other large open spaces, consider a MRCOOL DIY Mini Split 24,000 BTU that can cool up to 1,200 square feet even in the hottest U.S. climates.

If you have multiple rooms to cool, you won’t be able to utilize a DIY mini split, but please check out our selection of MRCOOL mini split 2-zone systems. These units connect two air handlers to a single evaporator with independent control for each.

Learn more about the MRCOOL mini splits and other air conditioning systems we sell by calling HVACDirect.com or visiting our HVAC information library

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