SKU: 3777275953

MRCOOL DIY 5th Gen Multi-Zone 3-Zone 55,000 BTU 23 SEER2 (6K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes

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Description

MRCOOL DIY 5th Gen Multi-Zone 3-Zone 55,000 BTU 23 SEER2 (6K + 9K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesMRCOOL DIY Multi Zone 5th Gen 55K BTU Three Zone Ductless Mini Split with Ceiling Cassettes 6K + 9K + 12K A Heating and AC System You Can Install By Yourself! Heat or cool three rooms in style with the brand new 5th gen ceiling cassette air handlers on the MRCOOL DIY 5th Gen Multi Zone 55,000 BTU 23 SEER 3 Zone Ductless Heat Pump Split System 6K + 9K + 12K. This DIY Series multi zone product features easy installation that requires no special tools or

MRCOOL DIY Multi Zone 5th Gen 55K BTU Three Zone Ductless Mini Split with Ceiling Cassettes 6K + 9K + 12K - A Heating and AC System You Can Install By Yourself!

Heat or cool three rooms in style with the brand new 5th gen ceiling cassette air handlers on the MRCOOL DIY 5th Gen Multi-Zone 55,000 BTU 23 SEER 3-Zone Ductless Heat Pump Split System - 6K + 9K + 12K. 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 55,000 BTU capacity. The air handlers include one that is 9,000 BTU (350 sq. ft.), one that is 12,000 BTU (550 sq. ft.), and one that is 6,000 BTU (250 sq. ft.). 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

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-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
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: 3777275953

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Kelly Cerf
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★★★★★ 5
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Super cute in a nursery. Came well packaged and the wood is sturdy.
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Reviewed in the United States on March 28, 2026
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Reviewed in the United States on January 31, 2026
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Ruochen Z.
Boise, US
★★★★★ 5
Looks great
Looks great!
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Reviewed in the United States on November 10, 2025
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Levi
Lowell, US
★★★★★ 5
Pretty, practical, and very on-trend
I don’t have kids, but I grabbed this 4-pack of scalloped nursery shelves for a couple rooms because the look is everywhere right now and I’m not immune. The scalloped front is charming in person. It softens the lines without feeling cutesy. The pine grain adds a warm, natural vibe you can dress up or keep simple. A few real-life notes: - Entryway test: I put one by the door and used the round hooks for umbrellas and a dog leash. It’s been a tidy little upgrade. The spherical hooks are smoother than I expected and they do not catch fabric. - Kitchen mini-gallery: Another shelf became a spice and perfume bar with a few small framed prints tucked behind. The 24 inch width and roughly 4 to 5 inch depth make it easy to mix books, jars, and small art without feeling crowded. - Studio stash: Two went into my workspace for sketchbooks and tape dispensers. I like the keyhole mounts and how they sit flush. Everything is reachable and off the desk. Install was straightforward with the hardware included. The video on the product page helped me finish the first one quickly. After that it was rinse and repeat. They feel solid on the wall. I kept the load under the listed limit and have not seen any sagging. Pine is light and sturdy enough for what I am storing. Style-wise, the scalloped profile hits that sweet spot of cottage and clean modern. Even without kids, these make a room feel more finished with very little effort. If you want a quick refresh that is functional and current, this set is an easy win. Small heads-up: check the orientation on the keyholes before drilling. On one shelf mine were reversed compared to the other side. It was an easy fix but worth noticing. Otherwise, no complaints. Good value for four shelves. Versatile. The scalloped look is super trendy right now.
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Reviewed in the United States on December 22, 2025
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AlohaSun
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★★★★★ 5
Sturdy, Spacious, and Stylish Floating Shelves
These are great shelves for books and toys in a child’s room—or really anywhere in your home. We haven’t installed them yet because we plan to paint them to match her furniture, but the depth is excellent and they can hold a wide variety of items. They’re versatile enough to use in almost any room. I also love the hooks along the bottom, which are perfect for hanging purses, umbrellas, or jackets. They’re rated to hold up to 60 lbs, which is impressive for floating shelves. With four shelves included, I may even split them between two rooms since there are plenty to work with. The floating design is a big bonus—no bulky brackets to hide.
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