SKU: 18584045891

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

Sale price$3363.30 Regular price$3737.00
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Ships within 48 hours · Estimated delivery Aug 26 - Aug 31

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Description

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat PumpUpgrade your homes climate control with the MRCOOL DIY 5th Gen 55K BTU 6 Zone Ductless Mini Split System, expertly configured with five 9K and one 18K wall mounted air handler. This powerful combo is ideal for homes with a mix of small and larger roomsproviding precision temperature control across six zones without sacrificing efficiency or ease of use. The system features MRCOOLs DIY Quick Connect technology, pre charged lines, and smart home

Upgrade your home’s climate control with the MRCOOL DIY 5th Gen 55K BTU 6-Zone Ductless Mini-Split System, expertly configured with five 9K and one 18K wall-mounted air handler. This powerful combo is ideal for homes with a mix of small and larger rooms—providing precision temperature control across six zones without sacrificing efficiency or ease of use.

The system features MRCOOL’s DIY Quick Connect® technology, pre-charged lines, and smart-home integration, making it the go-to solution for confident homeowners who want professional-grade HVAC performance without professional installation. Built for flexibility, durability, and energy savings, this 5th Gen model is SEER2 rated up to 20.5 and comes loaded with features like Gold Fin® corrosion resistance, Wi-Fi controls, and low ambient heating/cooling.

Key Features:

  • (1) 55,000 BTU 5th Gen DIY Multi-Zone Condenser (supports up to 6 zones)

  • (5) 9,000 BTU and (1) 18,000 BTU DIY Wall Mount Air Handlers

  • SEER2 Rating: Up to 20.5

  • Smart HVAC Control – Compatible with MRCOOL app, Alexa & Google Assistant

  • DIY Installation – Pre-charged lines, no vacuuming or special tools needed

  • Gold Fin® Coating – Rust-resistant, ideal for coastal or humid areas

  • Advanced features: Auto Restart, Leak Detection, Sleep Mode, Follow Me®

  • UL Listed & AHRI Certified

  • Backed by 5-Year Parts and 7-Year Compressor Warranty

Includes:

  • (1) MRCOOL 55K BTU 5-Zone DIY Condenser (Model: DIY-MULTI5-55HP-WM00C)

  • (5) 9K and (1) 18K DIY Wall Mounted Air Handlers

  • (6) Remotes

  • Installation Manuals

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: 18584045891

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A
Anita Woelfel
Grantham, US
★★★★★ 2
Super hard plastic
This might be okay for big dogs but my little dogs are not interested at all. I’ve heard if you can’t make an indentation w/ your thumb nail, it’s too hard and your dog could chip or break a tooth…
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Reviewed in the United States on March 27, 2026
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Proud Maw Maw
Grantham, US
★★★★★ 3
My aggressive chewer had it roughed up in about 10 minutes, and she lost interest.
Both of my dogs were interested in these right away and started playing with them as soon as I gave them to them. After the first day though, they lost interest. They’ve had them for a couple of weeks now and I can’t really get them to go back to them. These aren’t squeaky toys, which is usually what they prefer, so that may be part of it. The size is decent and works for both of my dogs. My smaller dog isn’t much of an aggressive chewer, but she did chew on it some. My bigger dog is an aggressive chewer (about 85 lbs), and she had this one roughed up pretty quickly. After about 10 minutes, it already had some sharp, jagged edges. That makes me a little concerned about safety since it could scratch her mouth. As far as chew resistance and durability, it didn’t hold up the way I expected for something advertised for aggressive chewers. For value, it’s not the best considering how quickly it wore down and the lack of continued interest from my dogs.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 2, 2026
A
Amazon Customer
Louisville, US
★★★★★ 5
Tough, Engaging Chew Toys That Keep Dogs Busy and Happy
If you’ve got a strong chewer at home, this 2-pack dog ring toy set is a solid choice. It’s designed with durability and engagement in mind, and it really delivers on both. Top Highlights One of the best things about this set is the variety. With two ring-shaped toys featuring different grip angles, dogs get a more dynamic chewing experience. It’s great for single-dog homes to keep things interesting, and even better for multi-dog households since it helps prevent toy-related squabbles. The nylon construction is impressively tough. These toys are clearly built for aggressive chewers and hold up well against repeated use. The ring-shaped block design is easy for dogs to पकड़ and chew, and the added bacon flavor is a big win—it grabs their attention immediately and keeps them coming back. Sizing is well thought out too. These toys are ideal for dogs in the 20–60 lb range, but they’re sturdy enough to handle even stronger chewers on the higher end. They also work nicely for teething puppies, offering relief while encouraging proper chewing habits. Another big benefit is how long they keep dogs occupied. These are the kind of toys that can save your furniture and shoes from destruction by giving your dog a better outlet for their energy. Longer chew time means more mental stimulation for them—and a little more peace and quiet for you. They also double as dental support. The textured surface helps clean teeth and massage gums, turning playtime into something beneficial for your dog’s overall health. Final Thoughts This is a reliable, well-designed chew toy set that balances durability, fun, and functionality. Whether you’re dealing with an aggressive chewer or just want a long-lasting toy that supports healthy habits, this pack is a great investment for both you and your dog.
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Reviewed in the United States on March 28, 2026
A
Verified Purchase
Autumn Ryan
Massapequa, US
★★★★★ 5
Great fun product for an active dog!
Color: Squeaky Corn Dog Toys
Our chocolate lab LOVES this toy! We actually bought another one to put up for later! Fun toy to throw with the little rope! Very durable! Has squeaker for attention getting! Good price! Have had for months and still intact… and our lab chews it all the time.
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Reviewed in the United States on April 18, 2026
K
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Kathryn Goerss
Battle Creek, US
★★★★★ 5
Great feel and durable material
Color: Squeaky Corn Dog Toys
Got this for my dachshund and he loves it! He broke the squeaker within the first hour but it's still a good chew toy!
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Reviewed in the United States on March 12, 2026

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