MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump
SKU: 428460221

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump

Sale price$3324.60 Regular price$3694.00
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Description

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 9K + 12K + 12K) 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 four 9K and two 12K 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 four 9K and two 12K 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)

  • (4) 9,000 BTU, (2) 12,000 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)

  • (4) 9K and (2) 12K DIY Wall Mounted Air Handlers

  • (6) Remotes

  • Installation Manuals

 

Specifications:

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
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: 428460221

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4.1 ★★★★★
Based on 1004 reviews
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E
Verified Purchase
Elizabeth Cook
Phoenix, US
★★★★★ 2
Check your milk preference when buying this unit. Product Does not last
Color: White
I purchased this frother in mid Oct and less than 90 days later, it's no longer working. The wisk does not spin, and the element does not heat the milk. I am currently working with customer support on a refund / replacement, but so far not happy. I've been told it does not work with 2% organic milk and that I need to switch to whole milk, which will solve my issues. Not sure how whole milk will help with the heating element? This was not disclosed when I purchased the unit. If I had known my milk choice would impact the frother, I would have chosen another brand or product. I like the unit, it's compact, easy to clean, but it did not last.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on January 12, 2026
M
Verified Purchase
M. Miski
Massapequa, US
★★★★★ 5
Easy to use, reliable machine
Color: White
Great product! I have a fully automated DeLonghi cappuccino/latte coffee machine. After 5 years of use, the machine's milk frothing function started to fail. I purchased this product to supplement/replace the milk frother on my DeLonghi automated coffee machine; it works great and produces copious milk froth with much less mess.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 18, 2026
S
Verified Purchase
Stephanie R.
Whiting, US
★★★★★ 5
Best frother ever!
Color: White
This is the best frother ever! Works better than my expensive espresso machine frother. So easy and makes a large amount enough for 2 large cappuccinos.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026
A
Verified Purchase
Amazon Customer
Phoenix, US
★★★★★ 1
False advertising--it won't froth almond milk.
Color: White
Bought this because I am vegetarian and I've consumed Almond milk for the past 15 years. The profile on this product said it would froth all milks, including almond. It does not--it heats the almond milk but does not froth it. It did froth 2% cow's milk I served a visitor, but I won't use cow's milk. I missed the return date by 1 day, or it would have been returned this product for a full refund. If you want to froth plant/ nut milk, don't waste your $$$.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
G
Verified Purchase
Graeme L Low
Boise, US
★★★★★ 5
substitute for an ineffective espresso machine steam wand
Color: White
On sale, this item was reasonably priced. It very effectively heats and froths milk in two or so minutes. Less milk enables a more intense froth. It easily cleans up with soap and hot water. It appears to be well- engineered. It proves to be an able companion to an espresso machine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 21, 2026

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