MRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+18K+18K), DIYM355HP
SKU: 56720134912

MRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+18K+18K), DIYM355HP

Sale price$3917.70 Regular price$4353.00
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  • USA
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Ships within 48 hours · Estimated delivery Jul 4 - Jul 9

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Description

MRCOOL DIY 5th Gen 3-Zone 42,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+18K+18K), DIYM355HPTake control of your comfort with the MRCOOL DIY 5th Gen Multi Zone Mini Split System the easiest and most affordable way to get powerful, energy saving heating and cooling without hiring a pro. Three Rooms, Perfect Comfort: Heat or cool three spaces that are 150 sq. ft., 750 sq. ft. and 750 sq. ft. each with independent temperature control for personalized comfort. Truly DIY Friendly: Forget expensive installs no HVAC license or special tools

Take control of your comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System - the easiest and most affordable way to get powerful, energy-saving heating and cooling without hiring a pro.

  • Three Rooms, Perfect Comfort: Heat or cool three spaces that are 150 sq. ft., 750 sq. ft. and 750 sq. ft. each with independent temperature control for personalized comfort.
  • Truly DIY-Friendly: Forget expensive installs - no HVAC license or special tools required. If you can use basic hand tools, you can do this.
  • No Hassle Setup: Comes with pre-charged Quick-Connect® line sets, so there’s no messy refrigerant handling or vacuuming. Just connect and enjoy.
  • Year-Round Savings: Boasting up to 22.0 SEER2 cooling efficiency and 10.6 HSPF2-4 heating performance, this system delivers serious energy savings.
  • Built for Every Season: Stay cozy even in the dead of winter - reliable heating works all the way down to -13°F.
  • Strong Warranty Protection: Includes 7-Year Compressor Replacement and 5-Year Parts Coverage.

Whether it’s hot summer days or freezing winter nights, the MRCOOL DIY Mini Split keeps your home comfortable and your energy bills low. Smart. Simple. Affordable.

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 56720134912

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Robert W Warnock
Phoenix, US
★★★★★ 5
Love it
Color: Red, Size: Large
Excellent shirt
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Reviewed in the United States on May 24, 2026
A
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Amazon Customer
Cuba, US
★★★★★ 3
Item received not as pictured - beware
Item not as described. The navy version I ordered showed a colored zipper and a print pattern inside the collar in the description but the one I received is solid navy in color. Not what I wanted or ordered. It fit fine and I liked the weight of the material as it is a little heavier than another Maelreg shirt I ordered which had the same description. Be careful when ordering as the color and weight of the material is certainly not accurate.
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Reviewed in the United States on March 25, 2026
S
Verified Purchase
smiley05
Alexandria, US
★★★★★ 5
Great product
Husband loves this warm but lightweight pullover.
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Reviewed in the United States on April 1, 2026
A
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Amazon Customer
West Palm Beach, US
★★★★★ 4
sleeves long
I'm 5'6" and stocky but the sleeves are too long and slip over to rest half way down my hand. If your 5'9 or taller you will be fine.
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Reviewed in the United States on December 15, 2025
F
Verified Purchase
Frank K...Cape Cod MA
Grantham, US
★★★★★ 5
Quarter zip
Great quarter zip, high quality, very nice material and comfortable. Buying 5 more colors
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Reviewed in the United States on February 16, 2026

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