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Description
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (6K + 6K + 6K + 6K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesThe MRCOOL DIY 5th Gen 55,000 BTU 6 Zone Ceiling Cassette Mini Split System is the largest capacity DIY unit available, capable of heating and cooling up to six individual zones with precision and efficiency. Designed for powerful whole home performance, it combines a high output condenser with your choice of low profile ceiling cassette air handlers all with smart control and DIY installation in mind. This system supports any combination of 6K, 9K,
The MRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System is the largest capacity DIY unit available, capable of heating and cooling up to six individual zones with precision and efficiency. Designed for powerful whole-home performance, it combines a high-output condenser with your choice of low-profile ceiling cassette air handlers — all with smart control and DIY installation in mind.
This system supports any combination of 6K, 9K, 12K, and 18K ceiling cassettes, allowing full customization for bedrooms, living rooms, garages, offices, or large open spaces. With a 21.5 SEER2 rating, it maximizes efficiency while delivering serious comfort even in extreme weather conditions.
Whether you’re retrofitting an older home or building out a modern multi-room system, this DIY 6-zone setup offers unmatched versatility — without the need for a pro HVAC installer.
Key Features:
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Supports six indoor zones with a single 55K condenser
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Compatible with 6K, 9K, 12K, and 18K ceiling cassette units
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21.5 SEER2 energy efficiency for lower utility bills
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Ideal for large homes, offices, shops, or multi-room spaces
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Flush-mounted ceiling cassettes blend seamlessly into any décor
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DIY installation with included quick-connect fittings
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Operates in extreme temperatures: heats to -13°F, cools to 122°F
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App, Alexa, and Google Assistant smart control integration
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Corrosion-resistant Gold Fin® condenser coating
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Backed by 5-year parts and 7-year compressor warranty
| BRAND NAME | MRCOOL |
| SERIES | DIY 5th gen Multi-Zone Mini-splits |
| MODEL | DIY-MULTI6-55HP230D-O |
| GTIN | 840255587488 |
| UPC | 840255587488 |
| SHORT DESCRIPTION | MRCOOL® 55k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v |
| LONG DESCRIPTION | Our new 5th Generation MRCOOL® DIY® 55k BTU Multi-Zone Ductless Mini-Split Condenser is one of the most efficient and innovative units in the industry, and we’re excited to finally share it with you! On top of saving time and money because you won’t need an HVAC professional, this system will give you a good sense of accomplishment because you’ll have installed it yourself! The whole family will be able to enjoy the comfort of this condenser, because it can heat and cool up to 6 different spaces that equal up to 2290 sq. ft., giving you the ability to heat and cool an entire home to your exact specifications using a single MRCOOL® system. The system’s patented pre-charged Quick-Connect® line sets essentially fast-forward the installation of this system, enabling you to skip the evacuation and charging steps and simplifying the entire process. We utilize new R-454B refrigerant in these line sets, which is a much more environmentally friendly and efficient choice. Features like these assist this unit in achieving its impressive SEER2 of 22, and its HSPF2-4 of 10.6, both of which signify that this system will help you save money throughout the entire time you use it. These line sets are sold separately. Once you install this condenser, you’ll be met with a variety of features to help you control your comfort. One of these features is the Smart HVAC app, available on Apple and Android, that allows you to operate your system from the convenience of your phone. Set schedules, manage different modes, monitor energy consumption, and more all without having to leave the couch! You can also set up voice control through Amazon Alexa or Google Home, meaning you can control your comfort without moving a finger. This system ensures you’ll be enjoying ultimate convenience and superior comfort. The warranty for this unit is one of the best in the industry, and we’re proud to have your back. You can enjoy the peace of mind of a 5 year parts warranty, a 7 year compressor warranty, and, once you enroll in the MRCOOL® Care Program, a Limited Lifetime Replacement warranty. If you need perfect comfort but don’t want to break the bank, this MRCOOL® DIY® condenser is your answer! |
| FEATURE LIST | Intertek listed 5031495 Easy DIY installation Future-proof your investment with the included DIYPro® cable, eliminating the need for electrical conduit. Keep the included remote close by, and MRCOOL DIY®'s Follow Me® function will track the air temperature around you to ensure maximum comfort. The MRCOOL® Smart HVAC Controller® Module and App fully support Google Assistant & Amazon Alexa out of the box. |
| SEER2 | 22 |
| EER2 | 12 |
| HSPF2-4 | 10.6 |
| HSPF2-5 | 8.5 |
| TONNAGE | 4.6 |
| COOLING CAPACITY (BTU) | 47000 |
| HEATING CAPACITY (BTU) | 55000 |
| VOLTAGE (V) | 208/230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 45 |
| MIN CIRCUIT AMPACITY (A) | 43 |
| COLOR | White |
| ZONE CAPACITY | 6 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 151.68 |
| DECIBEL RATING (DBA) | 64 |
| INVERTER | DC |
| LINE SET LENGTH | 25 |
| MAX LINESET LENGTH (FT) | 221.4 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | (3/8 X4) (1/2 X2) |
| COMPRESSOR MOTOR TYPE | Rotary |
| AUXILIARY HEATER INCLUDED | No |
| AUXILIARY HEATER AVAILABLE | No |
| FAN ONLY OPTION | Yes |
| QUIET MODE | Yes |
| AUTO COOL | Yes |
| WIFI COMPATIBILITY | Yes |
| APP COMPATIBILITY | Yes |
| WORKS WITH IOS | Yes |
| WORKS WITH ANDROID | Yes |
| UL LISTED | Yes |
| ETL LISTED | Yes |
| ENERGY STAR CERTIFIED | Yes |
| AHRI CERTIFIED | Yes |
| REGISTERED WARRANTY | Extended Limited Lifetime* |
| BASE PARTS WARRANTY | 5 |
| BASE COMPRESSOR WARRANTY | 7 |
| HAS BATTERIES | Yes |
| CONTAINS ELECTRONICS | Yes |
| CONTAINS CHEMICALS | Yes |
| CONTAINS AEROSOL | Yes |
| CONTAINS COMPRESSED GAS | Yes |
| PROPOSITION 65 WARNING | Yes |
| NET DEPTH (IN) | 16.34 |
| NET HEIGHT (IN) | 52.48 |
| NET WIDTH (IN) | 37.48 |
| NET WEIGHT (LBS) | 245.81 |
| GROSS DEPTH (IN) | 19.49 |
| GROSS HEIGHT (IN) | 58.27 |
| GROSS WIDTH (IN) | 43.11 |
| GROSS WEIGHT (LBS) | 267.46 |
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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]
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4.1 ★★★★★
Based on 9 reviews
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Product Reviews
★★★★★ 5
A timeless, elegant delight
Emma is one of those rare classics that still feels alive in your hands. Jane Austen’s wit shines through every page, giving us a heroine who is flawed, charming, and endlessly human. The world she builds is warm and vivid, full of gentle humor, sharp insight, and the kind of slow‑blooming romance that lingers long after you finish. It’s a beautiful reminder of why Austen remains brilliant centuries later.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
AND MY WIFE THINKS SHE KNOWS HER AUSTEN! HA!
Jane Austen has a lot of fans. I am one of them. My wife is another. People have been arguing the merits of Austen's novels for quite a number of years now; some people love her work, others do not. This is as it should be. We can take this premise of love/hate Austen a step further though. It has been my experience over the years that there is conflict even among those who love this writer's work and that everyone seems to have their favorite novel. This is also only right.
The problem is though that I have found people who read Jane Austen are also a very opinionated lot and quite often harsh words are spoken when discussing the strengths, merits, flaws, dislikes, etc. of Austen's various works. Alas, I have to report to you that this is the case in our household; a normally peaceful place filled with tranquility and marital bliss...about 49 years of it...thank you very much!
Yes, we are a family torn asunder. My wife (silly girl) feels that Emma is Austen's best work, while I, who am far more knowledgeable of such matters, prefer her novel, Pride and Prejudice...of which I am sure most of you will agree....me, not her, i.e. my mistaken wife. (Emma, bless her heart, is such an aggravating little twit).
Anyway, this is really not a review of Emma, the work (I will admit that it is a very fine read worthy of multiple readings ever few years), but rather that of the actual book edition on sale here. I felt sorry for my wife when I saw her ragged copy stuffed into one of her already overly stuffed bookshelves and felt a new edition was in order. I bought this one for her.
For the asking price of this book, including S&H, I cannot for the life of me figure out why people are disgruntled and unhappy with it. It is very well bound, the font is extremely readable, the quality of paper is quite good, the dust jacket is extremely attractive and all the pages were present. I check the binding very closely when the book arrived, and again, for what I paid for this thing, it was excellent! Trust me...I know about such things. Hey folks, this is not advertized nor is it a leather bound first edition! This is a workable, useful book for everyday use.
Now I have both this work and P&P down loaded to my Kindle. The chances of my wife ever using one of these reading machines are as about as likely as pigs flying next mayday. It ain't going to happen. Therefore, she now has a new hardback book; one that will quite likely outlast both of us; It did not cost me a fortune. She can read her copy; I can read mine and the war between us that has been going on since we were in our early teens can continue.
Bottom line...this is a good buy. And I must tell you, my wife was delighted with it.
Don Blankenship
The Ozarks
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Reviewed in the United States on May 19, 2011
★★★★★ 4
Timeless Classic With Lots of Surprises
I read Emma for an English class many years ago. I remembered that I'd enjoyed it and as I approach the big 7-0, I thought that I would read it again. Surprisingly, I found it to be more ponderous than I'd remembered it. Lots of beating a topic to death. Endless sentences (but then that's Jane Austen!). There were many days and nights when I'd fall asleep while reading. But, all in all, Emma kept me coming back to the story. Never wanted to give up on it. Emma has her flaws, but in my opinion she isn't half as bad as many reviewers make her out to be. She's manipulative but in the spirit of wanting the best for a friend. She enjoys matchmaking as she believes that this is the closest she will get to romantic love, that her duties to her elderly father preclude any romance for herself.
Much of the joy of this book for me was that there is more to it than just the typical characteristics of an Austen novel--finding romance in a world of rigid class distinctions and wealth disparities. This book contains all of this, but also plays up the idiosyncrasies of people which have nothing to do with class or wealth--such things as food preferences, desire for home life over social life, aversion to certain types of weather, and a tendency to talk almost continuously about virtually nothing. These parts of the novel are some of my favorites because some of the characters with their phobias and addictions remind me of people in my family so it's a truly entertaining aspect for me.
I was very pleased with the ending. Jane Austen ties things up neatly. She's not like so many of our modern writers today who are in love with the ambiguous ending (I've read many such books and have enjoyed them), but it's so nice to read an old-fashioned story occasionally and to know that it's all going to work out and that you may even cry as I did at some of the touching, romantic parts at the end (even though there was not so much as a kiss!), Austen has a way of communicating deep emotion. The couple can deeply move the reader, just in the way they look at one another or join hands.
Even though the ending is satisfying, the book keeps us on edge and makes us wonder how it will all work out to everyone's satisfaction. Lots of plot twists and surprises. You'll feel for the characters and long for them to find love.
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Reviewed in the United States on July 12, 2016
★★★★★ 5
Important Book
Format: Paperback
Simply an important book to have a different perspective of interpretation of reality and discovering the ubiquity of certain behaviors transcending time and space.
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Reviewed in the United States on November 14, 2025
★★★★★ 5
A Brilliant Analysis of the Black Man's Experience with Colonialism. A Scientific Analysis of the Black Psyche in a White World
Format: Paperback
This is a brilliant attempt of the era to scientifically analyze the black psyche in a white world. This book has far reaching effects on how colonialism was viewed to impact the black man in society and undoubtedly must have sparked a few revolutionary undertakings. This is not my first encounter with this book, I have had the opportunity to use it as sociological reference in 1981/82 and felt compelled that I would read it in its entirety some day. Now I can say I did and was more than satisfied. Fanon is a great writer of his times and beyond. I am tempted to say that this book should be read by all Black men and women however it is not an easy read because to me it is not a Novel (not a story book). As a student of History, Sociology, Psychology and Psychiatry I found it very delightful and relatively easy to follow. This Book is very powerful writings for the time when it was written, no wonder Fanon was dissuaded from using it as his Thesis for his Ph.D.. May his soul rest in peace but may his ideas live on. O my body always make me a man who questions?
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Reviewed in the United States on May 11, 2014