SKU: 33671520587

MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (9K + 12K + 12K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V

Sale price$2820.15 Regular price$3133.50
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Ships within 48 hours · Estimated delivery Jul 23 - Jul 28

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Description

MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (9K + 12K + 12K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230VExperience unmatched comfort and efficiency with the MRCOOL DIY Multi Zone 4th Gen 36K BTU Three Zone Ductless Mini Split System featuring Ceiling Cassettes (9K + 12K + 12K). This easy to install heating and cooling system allows you to manage the temperature in up to three rooms without the need for ductwork or wall mounted units. The discreet ceiling cassette design delivers powerful and energy efficient performance while remaining out of sight.

 

Experience unmatched comfort and efficiency with the MRCOOL DIY Multi-Zone 4th Gen 36K BTU Three-Zone Ductless Mini Split System featuring Ceiling Cassettes (9K + 12K + 12K). This easy-to-install heating and cooling system allows you to manage the temperature in up to three rooms without the need for ductwork or wall-mounted units. The discreet ceiling cassette design delivers powerful and energy-efficient performance while remaining out of sight.

With the flexibility of the MRCOOL® DIY® Quick Connect® line set, the system ensures a straightforward installation. You'll need to select the appropriate line set lengths for each zone, which will also include the corresponding control wire length. This system supports the connection of Quick Connect line sets and No-Vac® Couplers to extend the reach for more complex setups or longer runs.

Each of the three air handlers is rated for 9,000 or 12,000 BTUs, ensuring efficient coverage of up to 500 square feet per unit, depending on your room size. With multiple operating modes, including cooling, heating, and dehumidifying, this heat pump system is built to perform in all weather conditions.

From its low-profile ceiling cassette installation to the convenience of the MRCOOL Smart Controller mobile app, you can easily manage your comfort from anywhere. Plus, the system is compatible with Amazon Alexa or Google Home for voice-activated control.

Enjoy peace of mind with MRCOOL's 7-Year Compressor Warranty and 5-Year Parts Warranty, with optional lifetime coverage available. Buy from the USA’s most trusted MRCOOL dealer, MRCOOL DIY Direct, and experience top-notch service and support with every purchase.

Key Features:

  • Effortless DIY Installation: No professional tools or training required.
  • Custom Line Set Selection: Choose the perfect line set and control wire length for each zone.
  • Multiple Comfort Modes: Efficient heating, cooling, and dehumidifying for year-round comfort.
  • Energy Efficient Performance: Up to 22 SEER efficiency with DC Inverter Technology.
  • Smart Controls: Operate via MRCOOL Smart Controller App, Alexa, or Google Home.
  • Gold Fin® Condenser: Rust-resistant and durable for long-lasting performance.
  • Alerts and Reminders: Automatic troubleshooting codes and air filter cleaning reminders.
  • Quiet Operation: Low-profile, discreet ceiling cassettes for comfort without the noise.
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: 33671520587

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4.1 ★★★★★
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Product Reviews
K
Verified Purchase
Ken Antunes
Lexington, US
★★★★★ 5
Easy install and looks good
Exactly as expected. Easy to install and look great.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
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Verified Purchase
LORI KREBS
San Leandro, US
★★★★★ 5
Extremely satisfied
Size: 24x5.8, Color: Black, Size: 24x5.8, Color: Black
Very nice. I am extremely happy with them. I used painters tape to hold the bracket in place while I screwed it in, worked like a charm 😁 holds a lot of items
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Reviewed in the United States on April 11, 2026
J
Verified Purchase
Jesse Slater
Pawtucket, US
★★★★★ 3
Good enough
Size: 15x6.8, Color: Black
As cheap as the day is long but functional. These are basically made out of highly compressed paper and finished to feel like wood. The first one I put up was good with a little tilt to the back which is fine. The second one has a more severe tilt and I had to bend the bracket down to decently level it out. They are sturdy enough to hold quite a bit of weight and look good for what they are. I'm not impressed but I'm also not disappointed, the price is a bit steep for what they are but they serve their purpose.
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Reviewed in the United States on November 15, 2025
S
Verified Purchase
Satz
Phoenix, US
★★★★★ 4
Great, but bring your own inserts.
Size: 24x7.9, Color: Black
These work great, easy to install. Happy with them. Only problem was the instructions say don’t use the include inserts on wallboard, which meant I had to go out and purchase my own. That’s OK, because I like to use inserts I trust.
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Reviewed in the United States on December 9, 2025
L
Verified Purchase
Linda Gill
Natrona Heights, US
★★★★★ 5
Sturdy and attractive
Size: 15x6.8, Color: Black, Size: 15x6.8, Color: Black
Love the shelves, great quality and design. They are very sturdy and perfect for my need. I ordered wine glass holders from Amazon and attached them to the shelves. Impressed and amazed at the look.
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Reviewed in the United States on November 18, 2025

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