MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes
SKU: 27819645203

MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes

Sale price$2461.50 Regular price$2735.00
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Description

MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesMRCOOL DIY Multi Zone 5th Gen 27K BTU Dual Zone Mini Split with Ceiling Cassettes 9K + 18K Heat or cool 2 rooms in style with the brand new 5th gen ceiling cassette air handlers on the MRCOOL DIY 5th Gen Multi Zone 27,000 BTU 23 SEER 2 Zone Ductless Heat Pump Split System 9K + 18K. This DIY Series multi zone product features easy installation that requires no special tools or training. You'll save thousands of dollars on installation and you can get

MRCOOL DIY Multi Zone 5th Gen 27K BTU Dual Zone Mini-Split with Ceiling Cassettes 9K + 18K

Heat or cool 2 rooms in style with the brand new 5th gen ceiling cassette air handlers on the MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU 23 SEER 2-Zone Ductless Heat Pump Split System - 9K + 18K. This DIY Series multi-zone product features easy installation that requires no special tools or training. You'll save thousands of dollars on installation and you can get the amazing air comfort of your dreams due to the condenser’s 27,000 BTU capacity. A heat pump by design, this ductless HVAC solution can run in reverse and pull in heat from the outdoors when in a heating mode. It comes with a 7 Year Compressor (Plus an optional lifetime compressor warranty) and a 5 Year Parts Manufacturer Warranty! 

MRCOOL DIY Series Ceiling Cassettes provide efficient heating and cooling while remaining out of sight and discreet, making them a perfect fit for any space. The cassette features an easy, low profile installation and can be recessed between all types of joists on 16 inch center including pre-manufactured I-joists. This makes it a perfect option for both new construction or retrofits. It doesn’t have strict installation requirements like other ceiling cassettes, so you’re able to install it in the location that suits you best, without using ductwork or wall space. The cassette works with the MrCool® DIY® Quick Connect® line set and the No-Vac® Coupler to increase the length of the line set. Not only does the unit offer quiet operation and multiple operating modes, but it also features the Elevation function that lowers the filter panel for easy air filter maintenance. Purchases of the MrCool® DIY® Series Ceiling Cassettes are protected by a limited lifetime warranty in addition to a 7-year compressor warranty and 5-year parts warranty.

Features:

  • Easy DIY® Installation
  • "Pre-charged DIY®
  • Quick Connect Line Set"
  • Simple to Use
  • Multi-room Comfort
  • Energy Efficient DC Inverter
  • 100% Sealed System
  • Gold Fin® Condenser
  • Eco Safe R-454B Refrigerant
  • Smartphone App Controls
  • Lifetime Technical Support
  • Low Ambient Cooling

This system includes one 9K and one 18K ceiling cassette air handler, compatible with the 27K BTU condenser. Precharged linesets included. SEER2 rating: 23. Ideal for efficient, quiet home climate control.

 

DIY OUTTASIGHT BROCHURE

MULTIZONE BROCHURE

INSTALL MANUAL

REMOTE MANUAL

WARRANTY DOC

ACCESSORY MANUAL

BRAND NAME MRCOOL
SERIES
DIY 5th gen Multi-Zone Mini-splits
MODEL
DIY-MULTI4-27HP230D-O
GTIN 840255587457
UPC 840255587457
SHORT DESCRIPTION
MRCOOL® 27k DIY 5th Generation 4 Zone Multi-Zone Mini-Split Condenser 230v
LONG DESCRIPTION
If you’re in need of comfort, our new 5th Generation MRCOOL® DIY® 27k BTU Multi-Zone Ductless Mini Split Condenser is the perfect solution! The acronym in the name is true - you can install this system on your own, without the assistance of an HVAC professional! You’ll save money in more ways than one, too, due to the incredible efficiency of this system, which attains a SEER2 rating of 23 and a HSPF2-4 rating of 9.5. This condenser in particular is able to support up to 4 air handlers, meaning it can provide heat and air conditioning to four separate spaces equalling a total of 1,000 to 1,200 square feet. This system is unique because it utilizes special, patented Quick Connect® line sets that are pre-charged with R-454B, which is a newer refrigerant that allows the system to be even more sustainable and efficient than its previous generation. These line sets essentially link to the fittings of the condenser and the air handler, making the installation process a breeze. These line sets are sold separately. Once installed, this condenser will be able to do more than you expect! Our SmartHVAC app gives you the opportunity to integrate the system with your phone and Amazon Alexa or Google Home, which will let you control your comfort using just your voice. The app also gives you the ability to customize your comfort with a range of features, from setting schedules to monitoring the system’s energy use. You deserve to have your comfort meet your standards, and this unit can do that for you. Should something happen to the system, we’ve got your back. The DIY® series boasts one of the foremost warranties in the HVAC industry - a 5 year parts warranty, a 7 year compressor warranty, and a Limited Lifetime Replacement warranty if you enroll in the MRCOOL® Care Program. Get the best for your home and install a DIY®!
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 23
EER2 12
HSPF2-4 9.5
HSPF2-5 7
TONNAGE 2.25
COOLING CAPACITY (BTU) 26000
HEATING CAPACITY (BTU) 26000
VOLTAGE (V) 208/230
PHASE 1
CYCLE 60
MAX FUSE BREAKER (A) 25
MIN CIRCUIT AMPACITY (A) 23
COLOR White
ZONE CAPACITY 4
REFRIGERANT TYPE R-454B
REFRIGERANT VOLUME (OZ) 84.66
DECIBEL RATING (DBA) 61
INVERTER DC
LINE SET LENGTH 25
MAX LINESET LENGTH (FT) 221.4
LIQUID LINE SIZE 1/4
SUCTION LINE SIZE 3/8
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) 16.14
NET HEIGHT (IN) 31.89
NET WIDTH (IN) 37.24
NET WEIGHT (LBS) 140.21
GROSS DEPTH (IN) 19.69
GROSS HEIGHT (IN) 34.84
GROSS WIDTH (IN) 42.91
GROSS WEIGHT (LBS) 151.02
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 27819645203

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Thomas M. Magee
Alexandria, US
★★★★★ 3
A good supplement to Clausewitz
Format: Paperback
This book is an excellent supplement to Clausewitz or Jomni or anything like that. It puts the parameters of strategy in the context of recent history. I liked that angle about it. You will get a new perspective on strategic thought through that for sure. I can't think of anything that does that for a reader. The nature of the material really would go over with readers who have a history on the topic and who work in the field. The downside to me is how the book supplements other material. It has awesome chapters on various aspects of strategy like technology. I liked the criticism of US policy in the Middle East. The author has some great points. However, the book needs a connecting thread among these chapters. It never clearly defines strategy and why it could or does for a nation. If you are in some staff college studying strategy, this book is your ticket to an A grade.
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Reviewed in the United States on September 9, 2024
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Kiwi Cove
Omaha, US
★★★★★ 5
A Must for contemporary military and civilian leaders in national security
Format: Kindle
This is a very very useful work for members of the contemporary national security strategy community. While Hew's reputation as a historian is very high, it is his thoughtful and insightful comments that he makes in the latter chapters that lay out some of the critical challenges facing contemporary military and civilian leaders.
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Reviewed in the United States on August 19, 2016
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Terry Tucker
Charlottesville, US
★★★★★ 5
Astoundingly Good
Format: Kindle
This is a must have book. It is, beyond a doubt, the best book I have read on military strategy. The author is clear, provides case examples, and more importantly makes this "readable." I retired with 24 years on active duty and spent 15 more working in PMC's working in austere and conflict environments. THIS book is long overdue.
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Rachel Gollub
Bozeman, US
★★★★★ 5
Thoughtful and deeply insightful
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Browse not only goes over the current state of the US military in detail, but also ends with concrete and manageable suggestions to fix the major problems. Really good book.
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Reviewed in the United States on October 19, 2025
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Thomas M. Magee
New York, US
★★★★★ 5
Eye Opening, Thought Provoking and Scary
Format: Hardcover
This book will grab your attention, keep you spell bound and scare the heck out of you. The author was the Chief of Staff under Senator McCain for the Senate Armed Services Committee. This book is about new technology in the defense field and our inability to deal with it. The new technology comes in many forms. There now are missiles that fly 2 or 3 times faster than what is available now. The missiles can reach out many many thousands of miles more, enough to hit America from the other side of the world. Now computers are recently coming out on the market which are smaller and 2 or 3 times faster than previous computers. All of that combines to radically speed up the decision time for war operations. The author calls it the kill chain. The change doesn't stop there. The tactics used by our competitors has radically changed warfare. The examples the author uses comes from Russia. He reviews their invasion of "Little Green Men" in the Ukraine turned warfare upside down. They infiltrated troops into the land. Then they merged with dissent forces already in the country. Then the war stars, but on a small scale. Before you know it Russia grabbed Crimea and neutralized a huge slice of the Ukraine. That was the first time since WWII where borders changed. The last part of the book is the most scary. He relies on his experience in Congress. He cites several examples to show where the bureaucracy is incapable of change. The pressures of on going operations, turf wars, political desires to protect home based companies all have immobilized the bureaucracy. He also cites the case of the Army trying to get a new side arm. It took 17 million to test an off the shelf pistol. The case showed how fear of risk has layered on level after level of control and check. Those levels of course adds costs. That was just one weapons program. Can you imagine what the cost is as you expand that out to really big ticket things like carriers. It leads to the Pentagon to continue buying weapons it doesn't need and use tactics which really come out of WWII. As the Pentagon games go on the world's armies change. I think his point about the bureaucracy caught in a never ending loop also might explain other troubles across the globe. That leads to the scary part. Is the country ready for the future? Will it defend the nation for the future? If it isn't 9/11 might be a match strike in comparison.
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