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Description
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 48,000 BTU 22 SEER2 (6K + 6K + 9K + 9K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesThe MRCOOL DIY 5th Gen 48,000 BTU 6 Zone Ceiling Cassette Mini Split System delivers powerful and flexible heating and cooling for up to six rooms all from a single outdoor condenser. Designed for easy installation and quiet performance, this ductless system combines high efficiency with a clean, low profile ceiling mounted aesthetic. Compatible with any combination of 6K, 9K, 12K, and 18K ceiling cassette air handlers, this system lets you customize
The MRCOOL DIY 5th Gen 48,000 BTU 6-Zone Ceiling Cassette Mini-Split System delivers powerful and flexible heating and cooling for up to six rooms — all from a single outdoor condenser. Designed for easy installation and quiet performance, this ductless system combines high efficiency with a clean, low-profile ceiling-mounted aesthetic.
Compatible with any combination of 6K, 9K, 12K, and 18K ceiling cassette air handlers, this system lets you customize comfort room by room. Whether you’re upgrading a residential home, office, or light commercial space, the 48K 6-zone system offers reliable comfort across a wide range of indoor environments.
Featuring a 21.8 SEER2 energy efficiency rating, built-in Wi-Fi, and smart controls via smartphone app, Alexa, or Google Assistant, MRCOOL’s DIY system is made for modern living without compromising performance.
Key Features:
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Covers up to 6 zones with a single 48K multi-zone condenser
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Compatible with 6K, 9K, 12K, and 18K ceiling cassette air handlers
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21.8 SEER2 energy efficiency for low operating costs
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DIY-friendly installation with no special tools required
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Flush-mount ceiling cassette design for unobtrusive comfort
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Whisper-quiet operation and advanced inverter technology
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Operates in extreme conditions: heats down to -13°F, cools up to 122°F
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Smart controls via MRCOOL app, Alexa, or Google Assistant
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Durable Gold Fin® coating for corrosion resistance
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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-MULTI6-48HP230D-O |
| GTIN | 840255587471 |
| UPC | 840255587471 |
| SHORT DESCRIPTION | MRCOOL® 48k DIY 5th Generation 6 Zone Multi-Zone Mini-Split Condenser 230v |
| LONG DESCRIPTION | We’re excited to introduce our new 5th Generation MRCOOL® DIY® 48k BTU Multi-Zone Ductless Mini-Split Condenser, because it’s better than its predecessor in nearly every way. You won’t need the services of an HVAC professional when you’re setting this unit up, because you can do it yourself, which saves lots of time and money! This condenser enables you to heat and cool up to 6 separate spaces equalling up to 2,000 sq. ft., meaning you’d be able to cover an entire home in the completely efficient comfort of a single DIY® system. You can install this system on your own because our innovative, patented pre-charged Quick Connect® line sets allow you to skip the lengthy and complicated process of evacuating and charging the system. These line sets are filled with R-454B refrigerant, a much more ecological and proficient upgrade from the previous refrigerant used in the last generation. This switch helps the system achieve impressive efficiency levels, like 21.8 SEER2 and an HSPF2-4 of 10. These line sets are sold separately. Once you install your system, you’ll be able to explore the variety of ways you can customize your comfort. For ultimate control, you can integrate system operations with the SmartHVAC app, available for Apple and Android phones, allowing you the ability to set schedules, manage modes of operation, monitor your systems all with the touch of a button. The app even enables you to set up integration with Amazon Alexa and Google Home, meaning you won’t have to move a finger to make your home more comfortable than ever. We pride ourselves on having one of the best warranties in the industry on this unit! Once you install your condenser, you’re entitled to a 5 year parts warranty, a 7 year compressor warranty, and, if you subscribe to the MRCOOL® Care Program, a Limited Lifetime Replacement warranty. The MRCOOL® DIY® is the right choice if you want fast, efficient comfort that won’t let you down! |
| 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 | 21.8 |
| EER2 | 12 |
| HSPF2-4 | 10 |
| HSPF2-5 | 7.8 |
| TONNAGE | 4 |
| COOLING CAPACITY (BTU) | 43000 |
| HEATING CAPACITY (BTU) | 48000 |
| VOLTAGE (V) | 208/230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 45 |
| MIN CIRCUIT AMPACITY (A) | 40 |
| COLOR | White |
| ZONE CAPACITY | 6 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 148.15 |
| 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) | 223.77 |
| GROSS DEPTH (IN) | 19.49 |
| GROSS HEIGHT (IN) | 58.27 |
| GROSS WIDTH (IN) | 43.11 |
| GROSS WEIGHT (LBS) | 256.39 |
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
4.3 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
One of the Most Useful Skincare Products I Own
Title: One of the Most Useful Products for Mature Skin — Smooths, Protects, and Works Beautifully Under Makeup
At 52 with post-menopausal dry, mature skin, I’m always looking for products that don’t just sit on the surface, but actually improve how my skin looks and behaves throughout the day. This surprised me in the best way.
This is not a treatment product, and it’s important to set that expectation upfront. This is a barrier-supporting, smoothing balm, and when you use it for what it is, it performs exceptionally well.
The texture is where it really wins. It’s a solid balm stick, but it glides effortlessly without dragging or pulling on the skin, which is critical for more delicate, mature areas. It melts just enough on contact and leaves behind a smooth, lightweight, conditioned finish that feels nourishing without being greasy or heavy.
From a formulation standpoint, this is built around silicones and emollients that give an immediate soft-focus effect, combined with oils and butters that help reinforce the moisture barrier. There’s also adenosine for long-term wrinkle support and collagen extract for conditioning, though this is not going to rebuild collagen or act like a corrective serum.
What it does do extremely well is improve the appearance of the skin instantly. It softens fine lines, reduces that dry, crepey look that can show up midday, and adds just enough slip and hydration to make the skin look healthier and more refined.
Where I really love this is under makeup.
It creates a smooth, hydrated base that helps foundation sit better and prevents it from catching on dry areas. It doesn’t pill, it doesn’t break anything down, and it adds that subtle cushion that mature skin really benefits from. I’ve also used it over makeup for touch-ups, and it works just as well without disturbing what’s underneath.
This has quickly become one of those products I keep within reach because it’s so practical. It’s not about transformation — it’s about maintenance, comfort, and immediate visual improvement, which, for mature skin, is often exactly what you need.
No irritation for me, and it layers seamlessly with the rest of my routine.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 5, 2026
★★★★★ 5
Consistency is the key
This product is amazing. You have to keep in mind that it doesn’t give instant results. However, consistent use will reveal wonders. I use my whole stick before I started to see results. When my stick was gone, is when I looked in the mirror and I was shocked. My forehead was tighter and lifted. My under eye bags had disappeared, and my eyes looked tighter. My skin was just so youthful looking. So I was like OK!! I need to order another one, I swear I didn’t think it was working at all until the sticker was gone. And I just woke up one morning and noticed a huge difference. I wonder if the changes will last?
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Reviewed in the United States on May 25, 2026
★★★★★ 4
The balm stick needs to roll all the way to the top
Overall I like the product itself I think its very moisturizing and it does seem to help the appearance of wrinkles however I think for the cost its pretty wasteful in the application. The rollup stops and there is still a ton of product on the bottle. I had to dig it out with my finger for a good 2 weeks worth of product I dont understand why it doesnt roll all the way to the top..
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 1, 2026
★★★★★ 5
Great sunscreen
Size: 2.82 Fl Oz (Pack of 1)
No white filmy cast. Soothing and easy to apply.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
Beef Tallow Sunscreen
That dry, stretched sensation that I sometimes get from using other sunscreens was not something that I experienced with this one. On the contrary, I had the impression that my skin remained supple and pleasant throughout the morning. I used it prior to going about my errands, having a drive, going for a stroll outdoors, and spending time at the park. To my satisfaction, I did not feel the need to quickly apply another moisturizing lotion on top of the one I was using in order to restore the natural feel of my skin. Simply said, it made it simpler for me to utilize on a daily basis. When I wore it for a longer period of time, I also paid attention to how it felt on my face. Even though I wore it on a number of days when the temperature was high, I did not experience any discomfort as the day progressed. Despite the fact that I was aware that I was wearing sunscreen, I did not feel any discomfort or want to wash my face straight away with it. Because I am quite particular about the products that I use on my face, I found that to be really helpful. In addition to having a sunscreen that is dependable, I want it to be something that I can really endure for a considerable amount of time.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 9, 2026
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