SKU: 84649684394

MRCOOL DIY 5th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

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Description

MRCOOL DIY 5th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (9K + 9K + 9K + 18K) Ductless Mini-Split Air Conditioner and Heat PumpMRCOOL DIY Multi Zone 5th Generation 48K BTU Four Zone Ductless Mini Split A Heating and AC System You Can Install By Yourself! Heat or cool four rooms with the MRCOOL DIY Multi Zone 48,000 BTU 21 SEER 4 Zone Ductless Heat Pump Split System 9K + 9K + 9K + 18K. This DIY Series multi zone product features easy installation that requires no special tools or training. You'll save thousands of dollars on installation and you can get the amazing air comfort

MRCOOL DIY Multi-Zone 5th Generation 48K BTU Four Zone Ductless Mini Split - A Heating and AC System You Can Install By Yourself!

Heat or cool four rooms with the MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 4 Zone Ductless Heat Pump Split System - 9K + 9K + 9K + 18K. This DIY Series multi-zone product features easy installation that requires no special tools or training. You'll save thousands of dollars on installation and you can get the amazing air comfort of your dreams due to the condenser’s 48,000 BTU capacity. This units consists of four 9,000 btu air handlers (350 square feet) and one 18,000 btu (800 square feet). A heat pump by design, this ductless HVAC solution can run in reverse and pull in heat from the outdoors when in a heating mode. It comes with a 7 year compressor warranty, (Plus a limited lifetime compressor warranty), 5 year parts manufacturer warranty! 

MRCOOL DIY 5th Gen Multizone 48,000 BTU systems can support up to FIVE indoor units.

The MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 4 Zone Ductless Heat Pump Split System - 9K + 9K + 9K + 18K units are super easy to install and require no special training or expensive specialty tools. The DIY system includes Quick Connect lines that are pre-charged with eco-friendly R-410A refrigerant. Due to the Quick Connect line set, you don’t have to hire an HVAC technician to complete the install. We also have simple video instructions on how to install a DIY Multi-Zone unit yourself!

The MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 4 Zone Ductless Heat Pump Split System - 9K + 9K + 9K + 18K can cool through the Summer, heat through the Winter, and dehumidify through the wet seasons. Plus, you can quickly check the temperature of each room in your home from the easy to read digital display or from the MRCOOL Smart Controller mobile app. The display on the front of each indoor air handler unit can also display troubleshooting codes and alerts, so you are always aware of any issues with your system. Operate each unit wirelessly with either the included remote or with the MRCOOL Smart Controller app for Apple or Android devices. You also have the ability to control your mini-split unit with Amazon Alexa or Google Home.

The four MRCOOL DIY Multi-Zone air handlers included in this set provide directional control of the heated or cooled air. This distributes the air evenly so everyone in the room can stay comfortable. If you are in a situation that requires forced cooling, you can set your MRCOOL DIY System to manual with the button located on the right side of the unit under the front panel. In this emergency operation mode, you can test the cooling operation of your unit after installation or to complete a maintenance task.

In auto mode, each unit provides air for your home at your desired comfort level. Set your desired temperature, and the HVAC unit will determine how much heat or air conditioning is needed. You can also set this system to a drying function, which will continue to control the space’s air temperature while dehumidifying.

Use the sleep mode at night to save money on your utilities bills and use less energy. Sleep mode operates in an 8 hour window once turned on.

The MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER four-Zone Ductless Heat Pump Split Air Conditioner System - 9K + 9K + 9K + 18K comes with many options, so you can customize your system based on your needs. Limit your energy usage and save money on your utility bill by using the system’s timer function. If your system begins to run low on refrigerant, an alert will appear on the easy-to-read display on the front of each air handler, letting you know there may be a leak. If you desire to keep a room quiet and minimize lighted alerts, you can mute each indoor unit. By muting the system, the buzzer for alerts will not sound and the LED lit display will turn off. Should the unfortunate event of a power outage occur, the MrCool system will automatically shut off and then back on with the same settings once power returns.

Easily maintain your MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER Four-Zone Ductless Heat Pump Split Air Conditioner Unit with alerts and reminders. Any troubleshooting codes will appear on the front display and the user manual contains an index for common codes. Air filter cleaning alerts are automatic, and you can easily keep the minimal indoor units clean with a dry or damp cloth.

Features:

  • Easy DIY® Installation
  • "Pre-charged DIY®
  • Quick Connect Line Set"
  • Simple to Use
  • Multi-room Comfort
  • Energy Efficient DC Inverter
  • 100% Sealed System
  • Gold Fin® Condenser
  • Eco Safe R-410A Refrigerant
  • Smartphone App Controls
  • Lifetime Technical Support
  • Follow Me® Feature
  • Low Ambient Cooling
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: 84649684394

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4.1 ★★★★★
Based on 25 reviews
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Product Reviews
P
Peace
Pawtucket, US
★★★★★ 5
Compact, lightweight, and useful milk frother.
I ordered the Electric Handheld Milk Frother in the Starlight Black color. I don’t drink coffee, let alone fancy coffees where I would normally need a milk frother, so I bought this for one reason and one reason only: scrambled eggs. I make a ton of scrambled eggs. Now, I can whisk eggs by hand just as well as the next person, and I’m not entirely convinced a frother whips them better than I can, but regular whisks take up a ton of room in my drawers and this does not. I really just wanted something compact that could whip my eggs into a nice frothy consistency without taking up much space. Even better, this one looks nice enough to just leave sitting on the counter where I can grab it easily. I will note that although I can hand whisk easily enough, there are many people who cannot due to arthritis or other issues, and this whisk is a brilliant tool for them. If you actually want to use a frother for other things, this one does perform very well. It has three speeds and comes with three different attachments: a spring whisk for latte and cappuccino foam, a balloon whisk for eggs and cream, and a hook whisk for blending protein powders or mixes without lumps. I actually ended up using the hook whisk while making pot roast. I mixed the seasoning packet with water using this frother and it blended everything perfectly with no lumps at all. The frother itself is lightweight, pretty quiet, and very easy to clean. The attachments detach easily and just need a quick rinse under soapy water. It also comes with a magnetic wireless charging dock that uses the included USB-C cable. The docking connection is simple and secure, and charging has been completely hassle-free so far. The LED display shows battery levels at 25%, 50%, 75%, and 100%, which is useful for knowing when it needs to be charged. Overall, it’s a simple, convenient kitchen gadget that does exactly what I wanted it to do and I am quite satisfied with it.
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Reviewed in the United States on May 21, 2026
P
Pawslife
Belleville, US
★★★★★ 5
Works great and easy to use
Kitchen gadgets have a way of accumulating. You buy them with good intentions, use them twice, and then they live in a drawer forever. This milk frother is not that. It's one of those rare small appliances that earns its spot on the counter every single morning. The wireless charging is the feature that sets this apart from every other handheld frother on the market. No fumbling with a charging cable, no little dock that takes up extra space — just set it down and it charges. It sounds like a small thing until you've used it, and then it feels like the obvious way every handheld kitchen tool should work. The fact that it charges quickly means you're never waiting around or reaching for it only to find it dead. Three speed settings give you real control over the result. Low for gentle mixing, high for a proper thick foam that holds up in a latte or cappuccino the way it should. The stainless steel whisk feels durable and substantial, not like something that's going to bend or corrode after a few months of daily use. The whole thing is well-made in a way you notice immediately, solid, balanced, and built to last. The Starlight Black finish looks sharp, too. It's sleek enough to leave out without cluttering your kitchen aesthetic, which matters when you're using something every day. If you make lattes or cappuccinos at home and you're still shaking a jar of milk or settling for flat foam, this is the upgrade you didn't know you needed. Easy to use, quick to charge, and genuinely well crafted.
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Reviewed in the United States on May 27, 2026
G
Gerry K.
Pawtucket, US
★★★★★ 5
Three Speeds, Two Charge Options, Three Interchangeable Whisk Heads
I like this electric milk frother—it enables you to simulate café-style drinks at home. Three speed settings make it easy to switch from mixing matcha to whipping up thick, creamy foam for lattes. It also comes with three interchangeable whisk heads, so it is not just for coffee—I made French Toast with it the 1st time out. It can handle other tasks, like blending eggs, cream, and even protein shakes. The LED battery level display is up front right below the power button and shows state of charge as well as increasing battery level during the charging cycle. The dual charging options—either the magnetic charge stand or the USB-C charge port on the side of the motor—make it convenient for home or for travel. Best of all, all the detachable whisk heads clean up fast, so using it daily does not feel like a chore. I will say that I prefer a momentary one-speed switch instead of cycling the speeds (9K RPM, 11K RPM & 13K RPM) with the power switch. It spins up very fast and to shut it off you have to keep pressing the power button through faster speeds and before you can shut it off, it overflows the cup sometimes. You can also long press the power button to turn it off, but it usually takes too long and still overflows—I wish it was more controllable. I found that the corkscrew-hook head is the best of the three to tame that effect.
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Reviewed in the United States on May 26, 2026
R
R. Heart
West Palm Beach, US
★★★★★ 4
Good companion to a coffee setup
This electric frother is a great companion to have in a kitchen/coffee setup and I've been using it to mix my morning coffee. The frother includes a stand which serves as the charging base and multiple attachments (likely won't really see too much use realistically). My only downside is that the stand situation is a bit lackluster as the wireless charging feature requires you to line up the two pins at the top to the stand and balance the frother. Alternatively the frother also has a USB C charging port (sadly not USB C compliant as it can't be charged via USB c to c). The frother itself cycles between different levels of speed when you press the button and it is pretty strong; being able to very easily swirl and mix large amounts of coffee leaving mine nice and frothy. I've also been using this to mix drink powder mixes to great effectiveness. The other attatchments don't really hold too much value to me (other than maybe the whisk for eggs) but is nice to have other options included. Overall this frother is a massive step up over me using a spoon to stir my coffee.
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Reviewed in the United States on May 21, 2026
U
Uncle Vinny
Whiting, US
★★★★★ 5
My coffee is now judging your coffee.
I’m a simple man. All I wanted was decent foam on my morning coffee without paying $7 at Starbucks like a sucker. What I got instead is this charcoal black, LED-equipped, triple-whisk, rocket-powered milk frother that feels like it should have a NASA logo on it. This thing has three speeds and an actual digital battery display. I caught myself staring at the 1% accuracy battery percentage like it was the stock market. “We’re at 87%… we’re still frothing kings today.” The magnetic charging dock is so satisfying it should be illegal. I literally say “goodnight” to it when I put it back on the stand. The spring whisk? Velvety microfoam so perfect my wife asked if I was having an affair with a barista. The balloon whisk made whipped cream so fluffy my kids thought it was a cloud that fell into their hot chocolate. And the hook whisk? Blended my protein shake with zero lumps, a miracle previously only achieved by professional athletes and people with patience. Battery life is ridiculous. I’ve been using it twice a day for two weeks and it’s still at 64%. This frother could survive a zombie apocalypse better than I could. The only real downside? I now judge other people’s coffee foam in public. Saw a sad flat latte the other day and whispered “that man doesn’t own the Dropology frother…” If you like coffee, matcha, hot chocolate, or just feeling like a kitchen god, buy this immediately. It’s the most over-engineered $30-ish gadget I’ve ever loved. 10/10 would froth again.
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Reviewed in the United States on May 22, 2026

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