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Description
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 48,000 BTU 22 SEER2 (6K + 6K + 6K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesThe MRCOOL DIY 5th Gen 48,000 BTU 6 Zone Ceiling Cassette Mini Split System delivers powerful and flexible heating and cooling for up to six rooms all from a single outdoor condenser. Designed for easy installation and quiet performance, this ductless system combines high efficiency with a clean, low profile ceiling mounted aesthetic. Compatible with any combination of 6K, 9K, 12K, and 18K ceiling cassette air handlers, this system lets you customize
The MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Ceiling Cassette Mini-Split System delivers powerful and flexible heating and cooling for up to six rooms — all from a single outdoor condenser. Designed for easy installation and quiet performance, this ductless system combines high efficiency with a clean, low-profile ceiling-mounted aesthetic.
Compatible with any combination of 6K, 9K, 12K, and 18K ceiling cassette air handlers, this system lets you customize comfort room by room. Whether you’re upgrading a residential home, office, or light commercial space, the 48K 6-zone system offers reliable comfort across a wide range of indoor environments.
Featuring a 21.8 SEER2 energy efficiency rating, built-in Wi-Fi, and smart controls via smartphone app, Alexa, or Google Assistant, MRCOOL’s DIY system is made for modern living without compromising performance.
Key Features:
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Covers up to 6 zones with a single 48K multi-zone condenser
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Compatible with 6K, 9K, 12K, and 18K ceiling cassette air handlers
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21.8 SEER2 energy efficiency for low operating costs
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DIY-friendly installation with no special tools required
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Flush-mount ceiling cassette design for unobtrusive comfort
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Whisper-quiet operation and advanced inverter technology
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Operates in extreme conditions: heats down to -13°F, cools up to 122°F
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Smart controls via MRCOOL app, Alexa, or Google Assistant
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Durable Gold Fin® coating for corrosion resistance
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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-MULTI6-48HP230D-O |
| GTIN | 840255587471 |
| UPC | 840255587471 |
| SHORT DESCRIPTION | MRCOOL® 48k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v |
| LONG DESCRIPTION | We’re excited to introduce our new 5th Generation MRCOOL® DIY® 48k BTU Multi-Zone Ductless Mini-Split Condenser, because it’s better than its predecessor in nearly every way. You won’t need the services of an HVAC professional when you’re setting this unit up, because you can do it yourself, which saves lots of time and money! This condenser enables you to heat and cool up to 6 separate spaces equalling up to 2,000 sq. ft., meaning you’d be able to cover an entire home in the completely efficient comfort of a single DIY® system. You can install this system on your own because our innovative, patented pre-charged Quick Connect® line sets allow you to skip the lengthy and complicated process of evacuating and charging the system. These line sets are filled with R-454B refrigerant, a much more ecological and proficient upgrade from the previous refrigerant used in the last generation. This switch helps the system achieve impressive efficiency levels, like 21.8 SEER2 and an HSPF2-4 of 10. These line sets are sold separately. Once you install your system, you’ll be able to explore the variety of ways you can customize your comfort. For ultimate control, you can integrate system operations with the SmartHVAC app, available for Apple and Android phones, allowing you the ability to set schedules, manage modes of operation, monitor your systems all with the touch of a button. The app even enables you to set up integration with Amazon Alexa and Google Home, meaning you won’t have to move a finger to make your home more comfortable than ever. We pride ourselves on having one of the best warranties in the industry on this unit! Once you install your condenser, you’re entitled to a 5 year parts warranty, a 7 year compressor warranty, and, if you subscribe to the MRCOOL® Care Program, a Limited Lifetime Replacement warranty. The MRCOOL® DIY® is the right choice if you want fast, efficient comfort that won’t let you down! |
| 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 | 21.8 |
| EER2 | 12 |
| HSPF2-4 | 10 |
| HSPF2-5 | 7.8 |
| TONNAGE | 4 |
| COOLING CAPACITY (BTU) | 43000 |
| HEATING CAPACITY (BTU) | 48000 |
| VOLTAGE (V) | 208/230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 45 |
| MIN CIRCUIT AMPACITY (A) | 40 |
| COLOR | White |
| ZONE CAPACITY | 6 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 148.15 |
| 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) | 223.77 |
| GROSS DEPTH (IN) | 19.49 |
| GROSS HEIGHT (IN) | 58.27 |
| GROSS WIDTH (IN) | 43.11 |
| GROSS WEIGHT (LBS) | 256.39 |
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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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4.0 ★★★★★
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Product Reviews
★★★★★ 5
Awesome book
Format: Paperback
Its a good book, trust me you wont regret it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 28, 2026
★★★★★ 3
Does a good job, but too much philosophy.
Format: Kindle
I'm about halfway through this book. I have a condition that makes it hard to read. This book does a good job of teaching SQLite but spends too much time stressing the importance of comments and style. I agree, that these things are important, however, not to the audience of the book.
The reader would have been better served by getting into the grit of SQL syntax and which keywords to use when versus ensuring that every query had a comment block with name, date, and description. Moreover, requiring every reader to download a prewritten database to work from and special utilities to follow along takes away from the learning experience.
That said, you will learn the basics about SQLite, and by the end of the book be able to handle most problems you'll encounter when developing an application.
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Reviewed in the United States on November 9, 2020
★★★★★ 5
Great book!
The free promotional items the company gives you just for buying this product alone make it worth the five stars I have given it, and the product itself is amazing. I should start by noting that I received this product about 5 days ago and I am currently halfway done with it. This is not a book that teaches you the very basics of computer programming and assumes that you already have a basic grasp of the fundamentals such as arrays which you definitely should if you are even the slightest bit interested in learning SQL. The book begins by teaching you about what the program is, how it is becoming a valued skill in the world, and why it is a better programming language than others. It makes a language that most people consider highly advanced and more and more difficult the more you use it very easy to grasp in a way that could potentially change your entire career. I am not a computer science expert myself and have only a basic understanding of programming language, mostly java, but I was able to read this book and understand almost all of it without a problem. My computer science friends are even surprised by how much I was able to learn about this programming language that they consider impossible in such a short amount of time. I highly recommend this product if you have any interest at all in learning a new programming language or just giving yourself another skill because they make it very simple to learn. Disclosure: I received this product for free or on a promotional discount for my honest review and they are 100% my own opinions. However everyone has their own opinion on this product. I did not receive payment other than receiving the product at a discounted rate and I am not required to give a good review. I know how important my reviews are to people who are interested in buying this product, because everyone should be reading reviews before they purchase a product. What I include is what I actually think about the product and my opinion alone. My reviews accurately reflect my views on this product and any 5 star product I would recommend to both my friends and family as well as purchase at full price. This disclosure is in accordance with the Federal Trade Commission’s Guidelines on Testimony and Advertising. I provide honest reviews that describe the product it entirety both the positive and negatives (if there are any). If my review was helpful to you, would you please vote yes!
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Reviewed in the United States on May 13, 2016
★★★★★ 5
Great beginner book but should have covered layout
Format: Kindle
I've done HTML and made an attempt to learn CSS before. This book is a GREAT choice for beginners as well as myself. The examples are pretty easy to follow and made sense. Most of all this was THE book on CSS I was looking for. My previous attempt to learn CSS was overly complicated and convoluted and left me completely confused on CSS and barely able to get the job done. Perhaps it was because it was for the specific software I was using rather than just CSS. Regardless, after this book I feel confident with CSS now and was surprised how easy it actually is when properly explained.
My only complaint on this book is that I think it should have covered page layout with parent DIVs and child DIVs or page layout in general. That's definitely the next thing to learn after reading this book. But I was able to easily find a video on page layout after reading the book and took it to the next level. This book prepared me for that and got me to a place where I was ready for that.
Hopefully the next version of the book will include page layout techniques to give your website a more professional look.
I'm giving it 5 stars because page layout and graphic design really probably are intermediate topics. So, for an HTML and CSS book, this really "hit the spot"!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 9, 2024
★★★★★ 5
Easy to follow for a beginner!
Format: Paperback, Format: Paperback
It’s easy to follow and understand, like putting a puzzle together following step by step instructions eventually feeling more and more confident. You will learn how to build a website starting with HTML. Love the exercises and snippets. If you never used VS code text editor, I suggest watching video on social media about VScode editor if you use this book. VS is a great code editor and it’s free. Pro tip- install live preview from extensions from your explorer pane, it saves time refreshing a browser to see your work and refreshes in real time as you build and style your pages. The book will go into detail about more technical terms as you move through the chapters. I am a student in Front End Web development and everything internet. This book does a good job identifying some of the technical terms of how browsers display HTML documents in a viewport leading up to responsive design. This book is beginner friendly. I don’t think you need any knowledge of HTML, or CSS to start with this book. You don’t need to be an IT technician either, just a simple understanding of how the internet works. You do need to have an interest in learning to code though because it can be a learning curve. Persistence, patience, and lots of practice will make you successful and that’s the payoff. Buy with confidence!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 9, 2023
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