MRCOOL DIY 5th Gen 3-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+12K+24K), DIY3-B-48HP
SKU: 3865388657

MRCOOL DIY 5th Gen 3-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+12K+24K), DIY3-B-48HP

Sale price$2436.30 Regular price$2707.00
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  • USA
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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12

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Description

MRCOOL DIY 5th Gen 3-Zone 45,000 BTU Ductless Mini Split Air Conditioner & Heat Pump (9K+12K+24K), DIY3-B-48HPTake 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 350 sq. ft., 500 sq. ft. and 1,000 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 350 sq. ft., 500 sq. ft. and 1,000 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 21.8 SEER2 cooling efficiency and 10 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: 3865388657

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Shane605
New York, US
★★★★★ 5
DIY
Good price and fit my 2018 subaru crosstrek. Saved money switching it out myself. Super easy to do it yourself
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Reviewed in the United States on February 15, 2026
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Amazon Customer
Boise, US
★★★★★ 5
Perfect fit
Perfect fit on my 2019 Subaru Forester.
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Reviewed in the United States on May 26, 2026
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sue garland
Draper, US
★★★★★ 5
Easy install
Perfect fit
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Reviewed in the United States on March 24, 2026
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Chris
West Palm Beach, US
★★★★★ 5
EPAuto stuff works and fits
Love their auto filters, tools and tire air compressers. EPAuto stuff works great and always fit!
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Reviewed in the United States on March 27, 2026
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Verified Purchase
Amazon Customer
West Palm Beach, US
★★★★★ 5
Great price, easy install
OEM fit and very easy to install. No issues at all — everything worked exactly as expected.
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Reviewed in the United States on November 19, 2025

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