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Description
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (6K + 9K + 12K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesThe MRCOOL DIY 5th Gen 55,000 BTU 6 Zone Ceiling Cassette Mini Split System is the largest capacity DIY unit available, capable of heating and cooling up to six individual zones with precision and efficiency. Designed for powerful whole home performance, it combines a high output condenser with your choice of low profile ceiling cassette air handlers all with smart control and DIY installation in mind. This system supports any combination of 6K, 9K,
The MRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System is the largest capacity DIY unit available, capable of heating and cooling up to six individual zones with precision and efficiency. Designed for powerful whole-home performance, it combines a high-output condenser with your choice of low-profile ceiling cassette air handlers — all with smart control and DIY installation in mind.
This system supports any combination of 6K, 9K, 12K, and 18K ceiling cassettes, allowing full customization for bedrooms, living rooms, garages, offices, or large open spaces. With a 21.5 SEER2 rating, it maximizes efficiency while delivering serious comfort even in extreme weather conditions.
Whether you’re retrofitting an older home or building out a modern multi-room system, this DIY 6-zone setup offers unmatched versatility — without the need for a pro HVAC installer.
Key Features:
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Supports six indoor zones with a single 55K condenser
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Compatible with 6K, 9K, 12K, and 18K ceiling cassette units
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21.5 SEER2 energy efficiency for lower utility bills
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Ideal for large homes, offices, shops, or multi-room spaces
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Flush-mounted ceiling cassettes blend seamlessly into any décor
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DIY installation with included quick-connect fittings
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Operates in extreme temperatures: heats to -13°F, cools to 122°F
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App, Alexa, and Google Assistant smart control integration
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Corrosion-resistant Gold Fin® condenser coating
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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-MULTI6-55HP230D-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:
- 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
4.4 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Very happy with my purchase
Color: Black8017, Material Type: Leather
Very high-quality. Holds all my cards in cash.
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Reviewed in the United States on May 6, 2026
★★★★★ 5
Amazing Wallet!
This is a great wallet. I searched through many styles with similar features, but most did not have the pull down side lever to lift the cards. That feature is exactly why I chose this one.
The leather feels high quality and not cheap at all. It is very durable. The money clip is extremely tight and holds cash securely with no risk of anything slipping out. I also wanted a wallet that still opens to display a driver’s license and daily use cards while remaining slim, and this one checks every box.
It is compact but holds a surprising amount. My husband absolutely loves it and he is very picky about wallets. There are multiple slots not only for cards but also for holding papers or notes. There is even an additional slot behind the money clip for extra storage.
The pull down button smoothly lifts all the cards at once and fans them out so each card is visible and easy to grab. I was unsure how this mechanism would work at first, but the cards are slightly staggered just enough to clearly see each one. You simply grab the card you want and push the stack back down into the wallet.
We chose the carbon black version and it is sleek, lightweight, and looks very sharp. My husband mentioned it needs a little breaking in due to the quality construction, but it is still easy to access everything he needs and stays compact, which was most important to him.
It also comes in a very nice black gift box with fitted foam that securely holds the wallet, making it perfect for gifting or safe storage before use.
I highly recommend this wallet. For the price, it cannot be beaten. I searched extensively for the best option at a fair price point, and this one easily compares to wallets that cost close to or even over $100.
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Reviewed in the United States on January 10, 2026
★★★★★ 5
Typecase Wallet for Men
Color: Carbon Fiber Black, Style: Standard Wallet
This wallet has plenty of room for cards and id's. Not bulky nor is it difficult to remove and use cards. Love the appearance and RFID protection. Also love the money clip.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great quality wallet
Color: Carbon Fiber Black, Style: Standard Wallet
Holds 6 cards in pop up slot. Others can fit inside the wallet. ID is semi easy to remove. Great quality and durability. Cash doesn’t come loose even in your pocket all day. Will not mag to your phone just fyi.
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Reviewed in the United States on May 28, 2026
★★★★★ 4
Almost Perfect - Compact, Strong Magnet, Minor Card Access Issue
Color: Alaska Black, Style: Standard Wallet, Color: Alaska Black, Style: Standard Wallet
This is hands down the best wallet I’ve ever had. I love how compact it is while still holding quite a bit. On the front, it holds two cards, although I find the thumb slot a little short — it doesn’t extend the second card enough, so you have to dig a bit to get it out. The inside card holder (the non-window one) is also a bit tight.
The magnet that holds the bifold together is very strong. The first section of the wallet (the bifold) holds three cards — two outside with the thumb groove and one inside. I have metal cards in all three slots, so it adds a little extra weight, but the magnet still holds firmly and stays aligned.
The main section has a window for IDs. I keep two IDs and my insurance card there, and even with it being packed, the magnet still holds strong. One small downside: the window isn’t deep enough to fully show my ID, cutting off the date of birth at the bottom. I have to push my license up a bit, which looks a little goofy, but since I rarely need my ID, it’s not a big issue. When I do need it, I can at least show it without taking it out.
The main compartment easily holds 6–8 cards. I’m currently maxed out at 7 cards, including 2 metal ones, and they all have flat surfaces. The push-up button slides smoothly even with the extra weight, and all the cards pop up as they should.
The money clip is very secure too. I haven’t fully tested its limits, but it held a single bill in place without any issues, and right now I have 10 folded bills in there with no problem.
Overall: I love this wallet. It’s compact, easy to access, and for the most part, the cards are very easy to grab.
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Reviewed in the United States on April 25, 2025