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Description
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesMRCOOL DIY 5th Gen 55,000 BTU 6 Zone Ceiling Cassette Mini Split System DIY MULTI6 55HP230D O The MRCOOL DIY 5th Generation 55,000 BTU 6 Zone Ceiling Cassette Mini Split System is the largest capacity DIY system MRCOOL has ever produced engineered for whole home comfort and true do it yourself installation. Perfect for homeowners who want professional grade performance without professional labor, this high efficiency system pairs a 55K BTU condenser
MRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System | DIY-MULTI6-55HP230D-O
The MRCOOL DIY 5th Generation 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System is the largest-capacity DIY system MRCOOL has ever produced — engineered for whole-home comfort and true do-it-yourself installation. Perfect for homeowners who want professional-grade performance without professional labor, this high-efficiency system pairs a 55K BTU condenser with your choice of low-profile ceiling cassette air handlers for quiet, concealed heating and cooling.
Designed around MRCOOL’s revolutionary Quick-Connect® pre-charged line sets, installation is fast, clean, and safe — no vacuum pump or refrigerant tools required. With a 21.5 SEER2 rating and R-454B refrigerant, this 6-zone system delivers powerful comfort, high efficiency, and eco-friendly performance year-round.
Key Features & Benefits
- ✔ Supports up to six indoor zones with one 55K BTU condenser.
- ✔ Compatible with 6K, 9K, 12K, and 18K ceiling cassette units for flexible room coverage.
- ✔ 21.5 SEER2 / 10.6 HSPF2-4 efficiency rating for reduced energy costs.
- ✔ Heats to −13°F and cools to 122°F for dependable year-round performance.
- ✔ Flush-mounted ceiling cassettes blend seamlessly with your interior design.
- ✔ Smart control through the MRCOOL app, Alexa, or Google Assistant.
- ✔ Gold Fin® anti-corrosion coating for extended outdoor durability.
- ✔ DIYPro® cable included — simplifies wiring without conduit.
- ✔ Energy Star, AHRI, and ETL listed for performance and safety verification.
- ✔ 5-Year Parts and 7-Year Compressor Warranty (Lifetime optional with MRCOOL Care).
💡 Pro Tip: Skip the contractor markup and save thousands by installing this system yourself! The MRCOOL DIY 5th Gen’s pre-charged Quick-Connect® line sets make it possible for most homeowners to complete their installation in a weekend — no refrigerant handling, vacuum pump, or pro labor required. It’s the perfect combination of innovation, affordability, and independence.
Technical Specifications
- Brand: MRCOOL
- Series: DIY 5th Gen Multi-Zone Mini-Split
- Model: DIY-MULTI6-55HP230D-O
- Cooling Capacity: 47,000 BTU
- Heating Capacity: 55,000 BTU
- Zones: 6
- Refrigerant: R-454B (Pre-Charged Quick-Connect®)
- Efficiency: 21.5 SEER2 | EER2 12 | HSPF2-4 10.6
- Voltage: 208/230V, 1 Phase, 60 Hz
- Compressor: DC Inverter Rotary
- Operating Range: Heat down to −13°F | Cool up to 122°F
- Noise Level: 64 dBA (Outdoor Unit)
- Max Line Set Length: 221.4 ft combined
- Certifications: Energy Star, AHRI, ETL, UL
- Warranty: 5-Year Parts | 7-Year Compressor | Lifetime (MRCOOL Care Registration)
Nationwide Shipping from MRCOOL DIY Direct: Fast delivery anywhere in the U.S. — systems ship factory-direct, fully warrantied, and ready for installation. Enjoy secure freight delivery and real-time tracking from our warehouse to your door.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- 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
4.3 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 3
My opinion
Format: Kindle
Let me preface this by saying I really liked the story and the characters however, this book is in desperate need of some sort of editing. It's not misspelled words or formatting, but continuous run on sentences. Redundancies within the sentences. There were a couple of paragraphs that I had to go back and reread 3 or 4 times. Overall, I'd say it was worth the read.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 29, 2025
★★★★★ 5
Beautiful
Format: Kindle
I love omegaverses I had looked at this one multiple times thinking it's just another book about cocky rock star guys that let fame get to their heads and there are parts like that so I wasn't 100% off. I started reading the second book and met the fmc Astraea from the first one,after she had a run in with the aphla from the gym.😁 it gave me the push to stop and read book one first and im so glad I did this book was amazing their was so many characters I fell in love with hoping they will find their happily ever after. the guys were great, the plot was 🎯, and the ending had me 😭😭😭. I was wondering how nate could ever redeem himself, and he did. the last scene with him was sad, but I also felt it was beautiful. thank you to the author for making a beautiful omegaverse book that gave me all the feels. now I'm jumping straight into book two.
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Reviewed in the United States on March 25, 2025
★★★★★ 4
Knot their Omega
Format: Kindle
It took me a day to really get into the book, there is a lot happening in the beginning of the story. I wish there was more of a time frame because I felt like something’s happened quickly but they were farther away than I thought so that was a little confusing to me. I felt like there was so much happening but also not enough.
As for the story itself I enjoyed it, it was different than other OV I’ve read. Bring the tissues, you will need them. They guys were great, I wish we saw more of Kai and Kenjis relationship. As for Nate…… IYKYK.
I enjoyed this book, my first from this author and look forward to reading about Kamaris story.
Book: ⭐️⭐️⭐️⭐️/5
Spice: 🌶️.5/5
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Reviewed in the United States on October 24, 2024
★★★★★ 2
Has Potential, Poorly Executed
Format: Kindle
I really really wanted to enjoy this book and was looking forward to reading it. However there were just one too many convoluted plot points, sentences just did not flow nicely at times, and I was left with a lot of confusion on my end. I think it has the bones of being a great story but seems like it was rushed and I had to push myself to finish the last of the book and was left with an unsatisfying ending. It’s definitely different from other omegaverse novels I’ve read but not for good reasons. I really think it could be great but needs some serious tweaking and editing before I’d read it again.
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Reviewed in the United States on February 3, 2025
★★★★★ 5
Secrets, Seduction, and Rockstars!
Format: Kindle
Rockstars, secrets, and off-the-charts chemistry? Sign me up!
Cinder Blaze takes us on a rollercoaster of passion and peril with Knot Their Omega. Blair Vesper, a secret Omega masquerading as an Alpha, strikes a risky deal to tour with Blooming Salvation, a band teetering on the edge of chaos. Enter Icarus Morrigan, the enigmatic manager, and his three complicated and irresistibly sexy rockstars: wild Kenji, icy Kaiser, and fiery Nathaniel.
This book delivers steamy Omegaverse drama, sizzling slow-burn romance, and just the right dash of angst. The tension between Blair and the band crackles like electricity onstage, while the societal stakes add depth to the spicy dynamics.
Short, sharp, and oh-so-sinful Knot Their Omega will have you hooked from the first note!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 9, 2024
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