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Description
MRCOOL DIY 5th Gen Multi-Zone 3-Zone 18,000 BTU 24 SEER2 (6K + 6K + 6K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesUpgrade your comfort with the MRCOOL DIY 5th Gen Multi Zone 18,000 BTU 3 Zone Ductless Mini Split System with Ceiling Cassettesthe ultimate solution for discreet, efficient, and customizable climate control. Designed for spaces that demand both performance and aesthetics, this system supports up to three ceiling cassette air handlers in any combination of 6K, 9K, or 12K BTUs. This system features MRCOOLs DIY installation technology, allowing
Upgrade your comfort with the MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU 3-Zone Ductless Mini-Split System with Ceiling Cassettes—the ultimate solution for discreet, efficient, and customizable climate control. Designed for spaces that demand both performance and aesthetics, this system supports up to three ceiling cassette air handlers in any combination of 6K, 9K, or 12K BTUs.
This system features MRCOOL’s DIY® installation technology, allowing homeowners to handle setup without special tools, training, or professional labor. The low-profile ceiling cassettes blend seamlessly into your ceiling, maximizing wall space while delivering powerful airflow throughout the room.
Each zone operates independently and can be controlled remotely via the MRCOOL SmartHVAC app, or by voice with Amazon Alexa and Google Assistant. Whether you're heating or cooling, this system provides quiet, even comfort all year long.
Key Features:
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18,000 BTU condenser supports up to 3 zones
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Pairs with 6K–12K BTU ceiling cassette air handlers
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True DIY® installation with quick-connect lines
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Ultra-slim ceiling cassette design for flush mounting
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SEER2 rating up to 22.3 for high energy efficiency
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Individual zone control via smartphone or voice
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Whisper-quiet operation and automatic swing functionality
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Gold Fin® corrosion-resistant technology
What’s Included:
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(1) 18K BTU 5th Gen Multi-Zone DIY Condenser
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(3) Ceiling Cassette Air Handlers (size varies by configuration)
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(3) Remotes
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Full installation accessories
| BRAND NAME | MRCOOL |
| SERIES | DIY 5th gen Multi-Zone Mini-splits |
| MODEL | DIY-MULTI3-18HP230D-O |
| GTIN | 840255587617 |
| UPC | 840255587617 |
| SHORT DESCRIPTION | MRCOOL® 18k DIY 5th Generation 3 Zone Multi-Zone Mini-Split Condenser 230v |
| LONG DESCRIPTION | We are thrilled to announce our new 5th Generation MRCOOL® DIY® 18k BTU Multi-Zone Ductless Mini Split Condenser, which is the best and most convenient way to get comfortable. You won’t need the services of an HVAC professional to install this unit, because it’s do-it-yourself! Achieving a SEER2 rating of 23.9 and an HSPF2-4 rating of 10, you can rest easy knowing this unit will help you save money as you chill. This condenser can also support up to three air handlers, meaning it can heat and cool three rooms that are a combined 750 square feet in size, making it a perfect option if you have spare bedrooms in need of heating and cooling. What makes this system different is our patented pre-charged Quick Connect® line sets filled with R-454B, an incredibly efficient and eco-friendly refrigerant. This switch from the previous refrigerant makes the system even more efficient and sustainable than before. The design of these innovative line sets allow you to install the system yourself, saving you time and money. These line sets are sold separately. This condenser is more than just a heating and cooling unit. When operating as a system, you will be able to experience total customization with the unit’s wealth of features. For example, you can integrate your system with Amazon Alexa or Google Home through the Smart HVAC app, allowing you to control your system with your voice and monitor its operation with the touch of a button. You can also set schedules, temperature ranges, and mode of operation through the app. The power of comfort is in your hands with this system. In the unlikely event that something happens to the system, we’ve got you covered. The DIY® series comes with one of the best warranties in the industry - a 7 year compressor warranty, a 5 year parts warranty, and a Limited Lifetime Replacement warranty with enrollment in the MRCOOL® Care Program. Give yourself the best comfort with the DIY®. |
| 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 | 23.9 |
| EER2 | 13 |
| HSPF2-4 | 10 |
| HSPF2-5 | 7.8 |
| TONNAGE | 1.5 |
| COOLING CAPACITY (BTU) | 18000 |
| HEATING CAPACITY (BTU) | 18000 |
| VOLTAGE (V) | 208/230 |
| PHASE | 1 |
| CYCLE | 60 |
| MAX FUSE BREAKER (A) | 20 |
| MIN CIRCUIT AMPACITY (A) | 16 |
| COLOR | White |
| ZONE CAPACITY | 3 |
| REFRIGERANT TYPE | R-454B |
| REFRIGERANT VOLUME (OZ) | 61.73 |
| DECIBEL RATING (DBA) | 60 |
| INVERTER | DC |
| LINE SET LENGTH | 25 |
| MAX LINESET LENGTH (FT) | 172.2 |
| LIQUID LINE SIZE | 1/4 |
| SUCTION LINE SIZE | 3/8 |
| 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) | 13.46 |
| NET HEIGHT (IN) | 26.5 |
| NET WIDTH (IN) | 35.04 |
| NET WEIGHT (LBS) | 101.63 |
| GROSS DEPTH (IN) | 17.24 |
| GROSS HEIGHT (IN) | 29.53 |
| GROSS WIDTH (IN) | 40.55 |
| GROSS WEIGHT (LBS) | 109.57 |
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
4.2 ★★★★★
Based on 16 reviews
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Product Reviews
★★★★★ 5
This is absolutely, without doubt, the BEST jerky I've ever had in my life. I will never buy anything else again.
This is FABULOUS. So much better than anything else out there it's amazing. I will never buy anything else again. The meat is so tender, sliced thinly or made into a delicious stick. I have tried every "natural" "organic" jerky I could find. I was ready to give up on jerky, even though it can, in theory, provide such a great hit of protein on the go. It's obvious Ayoba-Yo uses the best ingredients available. They don't have to cover them up with a lot of salt and things that taste weird. The others, even the ones that say they're natural, are still loaded with salt, full of gristle, obviously sub-standard meats were used in the other guys products. I'm totally serious about Ayoba-Yo, it makes a great tasting, nutritious meal and you feel good after you eat it. I usually avoid leaving reviews. This is a product I want to see around for a long time, so I want to support them anyway I can. What they're doing matters to those of us trying to stay healthy. The way to keep them is to buy their products. I plan to do my part.
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Reviewed in the United States on January 12, 2018
★★★★★ 4
Some consistency problems but excellent biltong
Flavor Name: Spicy, Size: 4 Ounce (Pack of 1)
I really enjoy beef jerky but drying meat on a cross grain cut results in subpar product. Biltong is dried in larger pieces, then cut into thin strips against the grain. This results in much more consistent slices and a much more tender snack than beef jerky.
I've ordered several packages of this now and they are mostly great. The first was just about perfect, only a handful of slices were much wider or narrower with very few fines. Other packages have had more inconsistencies including more fine bits and one package that was less lean and didn't seem dried quite as well. It was still perfectly edible but the texture was less pleasing. That's a relative comparison because it was still very good. That single package was a 3.5 star while others were 5.
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Reviewed in the United States on April 21, 2019
★★★★★ 3
I don't know what it's supposed to be like
I have never had Biltong so I have no idea how this compares to others. I was pretty excited about it because it claims to be a tender beef snack, better than jerky. In my experience though, there were a couple things I should note.
It's not that tender. It's not super chewy like some very dry jerky is but it's sort of like a very thick paper. I think it would be a really good texture if it were more tender but as-is, I don't know if people purely prefer it or if it's sort of a traditional thing that has a texture they try to nail.
It's not big on flavor. Clearly it is spiced for flavor to a degree but it's very muted. Regarding heat, I have a lot of spicy food so maybe people that don't would think otherwise but, to me, calling it spicy is a huge overstatement.
I need to try other biltong because it's entirely possible that this is a prime example and I just don't know it, but if it is I can't say I'm a big fan.
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Reviewed in the United States on March 29, 2019
★★★★★ 5
Good Cut/Texture, Spicy Flavor Isn't the Best - Try Traditional!
Flavor Name: Spicy, Size: 4 Ounce (Pack of 1)
Update: Great customer service! They provided a pack of traditional flavor after seeing my review (originally 3 stars, now 5). The traditional flavor is MUCH better and passed the taste-test from everyone in my house. I imagined traditional flavor would be like spicy - just milder. I was wrong, it's a very different flavor, more familiar to American jerky, but still very unique and delicious. Combined with the unique texture (biltong is new to me), it's hard not to eat this by the handful. Getting the right flavor completely changed my opinion. Try traditional first!
Original Review: I appreciate the nutrition, great for snacking. The cut/texture is good - seems like thicker cuts of dried meat sliced wafer thin. I tried Spicy Biltong, which wasn't great. I normally share a little bit of jerky with my young son and even my wife has some occasionally. We all agreed that the flavor wasn't great. Maybe other flavors are better. Better flavor would have made all the difference, but at this price, I probably won't risk it.
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Reviewed in the United States on February 6, 2019
★★★★★ 1
Buy if you like shredded meat I guess
Flavor Name: Spicy, Size: 2 Ounce (Pack of 1)
I was so excited to try these “slices” of beef because I grew up eating deer biltong made from deers my uncles would go hunt. Some of the best snacks I ever had, absolutely delicious. So when I decided to see if any biltong was actually sold around here I was surprised and pleased this was available. Unlike beef jerky which uses lots of sugar for some reason I was hoping this would have more meaty flavor but it doesn’t really. Although that might be due to the fact that I did get “slices” of meat, no what I got was basically shredded and powdered. It’s salty, but has absolutely no spice whatsoever and is just not good at all.
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Reviewed in the United States on September 28, 2025