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Description
MRCOOL DIY Mini Split - 51,000 BTU 5 Zone Ductless Wall Air Handler Air Conditioner and Heater with 35 ft. Install Kit, DIY548HP090909121235This 4th Generation MRCOOL DIY Mini Split System provides everything you need to efficiently heat and cool five separate rooms. The package includes a 48,000 BTU Multi Zone Condenser, three 9,000 BTU Wall Mounted Air Handlers, two 12,000 BTU Wall Mounted Air Handlers, five 35 foot pre charged line sets, and five remote controls. The best part is, this system is designed for easy DIY installation, so you can complete the setup without the need for
This 4th Generation MRCOOL DIY Mini Split System provides everything you need to efficiently heat and cool five separate rooms. The package includes a 48,000 BTU Multi-Zone Condenser, three 9,000 BTU Wall-Mounted Air Handlers, two 12,000 BTU Wall-Mounted Air Handlers, five 35-foot pre-charged line sets, and five remote controls. The best part is, this system is designed for easy DIY installation, so you can complete the setup without the need for professional assistance.
Package Includes:
- MRCOOL DIY Multi-Zone 48K BTU Condenser, 4th Gen Series, DIY-MULTI5-48HP230C
- Three 9K BTU Wall-Mounted Air Handlers with Enhanced WiFi, DIY-09-HP-WMAH-230C25
- Two 12K BTU Wall-Mounted Air Handlers with Enhanced WiFi, DIY-12-HP-WMAH-230C25
- Five 35-foot Pre-Charged Linesets, DIY35-1412C
If all air handlers are running at the same time, their combined output will not exceed the condenser's 48K BTU capacity, ensuring optimal performance across the system.
Condenser:
- Energy Efficient: When paired with compatible air handlers, this 5-zone condenser delivers an impressive 20.5 SEER efficiency rating.
- Cold Weather Performance: The condenser can continue heating even when outdoor temperatures drop to 5°F.
- Lifetime Warranty: Enjoy peace of mind with a limited lifetime compressor warranty by registering in the MRCOOL Care Program.
9K BTU Wall-Mounted Air Handlers (x3):
- Coverage Area: Effectively heats or cools up to 375 sq. ft. per unit.
- Versatile Operation: Features COOL, HEAT, AUTO, DRY, and SLEEP modes for optimal comfort.
- Smart Control: Control the air handler via your Apple or Android smartphone using the Smart HVAC app.
- Easy Installation: Compact, lightweight design with an included mounting plate for simple installation on interior walls.
12K BTU Wall-Mounted Air Handlers (x2):
- Coverage Area: Ideal for larger spaces, covering up to 500 sq. ft. per unit.
- Versatile Operation: Includes the same multiple operating modes—COOL, HEAT, AUTO, DRY, and SLEEP—for efficient climate control.
- Smart Control: Compatible with the Smart HVAC app for remote control via smartphone.
- Convenient Installation: Easy wall installation using the included mounting hardware.
35-Foot Pre-Charged Linesets (x5):
- Pre-Charged: Each line set comes pre-charged with R-410A refrigerant, simplifying the installation process.
- DIY & Save Money: This means you can install the system without needing a certified technician, helping you save on professional service fees.
Why Choose MRCOOL DIY?
- Energy Efficiency: With high SEER ratings, MRCOOL systems help lower energy bills.
- DIY-Friendly: Designed for easy installation, this system saves time and money.
- Smart Technology: Control your system remotely with your smartphone, enhancing convenience and comfort.
With the MRCOOL DIY 4th Generation Multi-Zone Mini Split System, you can efficiently heat and cool multiple rooms with a cost-effective, easy-to-install solution. The combination of powerful air handlers, pre-charged linesets, and smart technology provides the flexibility to meet your home’s unique climate control needs.
SPECIFICATION & DIMENSIONS
Condenser
| Product Dimensions |
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| Cooling Capacity |
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| Heating Capacity |
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| Zone Capacity | 5 |
| Cool Mode - Outdoor Operating Temperature Range | 5F ~ 122F |
| Min Ambient Heat | 5F ~ 75.2F |
| SEER |
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| EER |
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| Voltage |
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Air Handler 9K BTU
| Product Dimensions |
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| Mount Type | Wall |
| Cooling Capacity |
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| Heating Capacity |
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| Modes | Auto - auto selects from Cool, Heat or Fan-Only Dry - dehumidify Cool Heat Fan Only Quiet Sleep |
Air Handler 12K BTU
| Product Dimensions |
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| Mount Type | Wall |
| Cooling Capacity |
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| Heating Capacity |
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| Modes | Auto - auto selects from Cool, Heat or Fan-Only Dry - dehumidify Cool Heat Fan Only Quiet Sleep |
Line Set
| Length | 35 Feet |
| Liquid Line Size |
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| Suction Line Size |
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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
4.9 ★★★★★
Based on 23 reviews
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Product Reviews
★★★★★ 5
Quality & Comfort with Fully Adjustable Support
Team Name: Eden, Size: Queen, Color: Classic
I used to buy pricey, handmade, 100% down pillows—until I learned about the cruelty behind down production. I stopped using down entirely: pillows, comforters, jackets, everything. Then began the long search for something that could at least come close to the comfort of down, I tried Tempur and countless others, but nothing came close.
As a side sleeper, I need a pillow that’s high, SOFT, supportive, conforming, and huggable. After wasting money on at least five different pillows, I finally tried the Coop Home Goods Eden Pillow because of its adjustability. The cover is kind of thick, soft, and well‑made (I use a nice cotton pillow cover over it). The filling is soft and high quality. You can customize the height and firmness however you like. It even comes with plenty of extra fill.
To my surprise, the shredded foam doesn’t make the pillow clumpy—something every other similar pillow I tried struggled with. The surface stays smooth and soft, and it’s been a total game‑changer. It’s a keeper! I’ve had mine for almost four years now and only needed to add more filling once, about 8–10 months ago. Toss it in the dryer on low with a couple of tennis balls, and it fluffs up like new. And the icing on the cake: outstanding customer service.
I highly recommend this pillow and will definitely buy it again
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Reviewed in the United States on December 26, 2025
★★★★★ 3
Nothing like the original Eden, don’t buy the name
Team Name: Eden Cool+, Size: King, Color: Classic
I’ve had the original Coop Eden for 5+ years and it has been a great pillow, very comfortable, soft but supportive but when I purchased a new mattress I wanted to refresh my pillow and saw the Eden Cool+ and wanted to give it a try. I figured it could only be better than the original Eden…but it is not. While the outer cover is noticeably cooler to the touch, it is not soft like the Eden. Also, this cool material mostly gets negated if you use a pillow case anyway. The shaped fill material I would also say is “lumpier” for lack of a better word than the shredded material in the original. The combination of the harder, less supple outer casing and the lumpy material just aren’t a good combination. I will say it does sleep slightly cooler than the original Eden but not enough for the sacrifice in comfort. I would absolutely consider going back to the original Eden.
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Reviewed in the United States on February 26, 2026
★★★★★ 5
Unmatched Pillow with Unmatched Customer Service!!! 5 STAR ALL AROUND
Team Name: Eden Cool+, Size: King, Color: Classic
## A Dream Come True (and Customer Service to Match!)
From the moment I first laid my head on the Coop Eden Cool+ pillow, I knew I'd found something special. It's truly a game-changer for hot sleepers like me. The "Cool+" technology isn't just a gimmick; it actually works to keep my head and neck comfortably cool throughout the night, leading to the most refreshing sleep I've had in years. The adjustable fill is brilliant, allowing me to customize the loft perfectly for my sleep style, which means no more waking up with neck pain. The support is fantastic – it cradles my head without feeling too firm, and it holds its shape beautifully.
However, what truly elevates my experience to a full five stars, beyond the exceptional product itself, is the **dedicated and outstanding customer service**. I had a minor issue with my initial pillow (a rare manufacturing defect, which can happen with any product). I reached out to Coop Home Goods, and their response was nothing short of phenomenal. They were incredibly prompt, empathetic, and went above and beyond to resolve the issue swiftly and completely. They genuinely cared about my satisfaction and ensured I was left with a perfect product.
It's rare to find a company that not only produces a superior product but also stands behind it with such integrity and genuine concern for their customers. The Coop Eden Cool+ pillow is an investment in your sleep, and knowing that you're backed by such an incredible customer service team makes it an even easier decision. Highly, highly recommend!
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Reviewed in the United States on August 8, 2025
★★★★★ 5
Great for side sleepers
It always seems hard to find the perfect pillow when you’re a side-sleeper. This one is great. It comes compressed so you will want to allow some time for it to fully fluff back up. The cover is soft and smooth. I love that it isn’t overstuffed. It provides gentle support and a lot of comfort. I was worried it may be too warm since it is polyester, but it is very breathable and I have not had any issues with feeling overly warm on it. It fits a standard size pillow case. It’s not overly stuffed like some other pillows I’ve tried that were specifically for side-sleepers. I think this world be a great pillow for any sleeping position, really. I wasn’t expecting to love a pillow this affordable, but it gets the job done and I get a good night of sleep. I’ll be purchasing some more for our guest room.
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Reviewed in the United States on May 10, 2025
★★★★★ 5
Incredibly Comfortable and Supportive — My New Favorite Pillow！
I wasn’t expecting to love this pillow as much as I do, but the DIORIS large sleeping pillow really exceeded my expectations. From the first night, I noticed a difference in the way my neck and shoulders felt in the morning—less tension, better alignment, and overall more restful sleep.
The fill is just the right balance between plush and supportive. It doesn’t flatten out during the night, which is a problem I’ve had with other pillows, especially those that come overstuffed or too soft. This one holds its shape well but still has that cozy, cloud-like feel when you lay your head on it.
I’m a side and back sleeper, and this pillow works beautifully in both positions. It’s also large enough that I don’t feel like I’m falling off it during the night, but not so big that it takes over the whole bed.
One suggestion: if you’re picky about loft, you might want to give it a gentle fluff or adjust the fill before your first night. But honestly, I didn’t need to do much—it was pretty much perfect out of the bag.
Highly recommended if you're looking for a high-quality, comfortable, and generously sized pillow that supports a great night’s sleep!
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Reviewed in the United States on May 9, 2025
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