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Description
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 12K + 12K + 12K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesMRCOOL DIY 5th Gen Multi Zone 6 Zone 55,000 BTU 22 SEER2 (9K + 9K + 12K + 12K + 12K + 18K) Ductless Mini Split Air Conditioner & Heat Pump with Ceiling Cassettes The MRCOOL DIY 5th Generation 55,000 BTU 6 Zone Ceiling Cassette Mini Split System provides whole home comfort and industry leading efficiency no professional installation required. This complete configuration pairs a powerful 55K BTU condenser with six low profile ceiling cassette air
MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 12K + 12K + 12K + 18K) Ductless Mini-Split Air Conditioner & Heat Pump with Ceiling Cassettes
The MRCOOL DIY 5th Generation 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System provides whole-home comfort and industry-leading efficiency — no professional installation required. This complete configuration pairs a powerful 55K BTU condenser with six low-profile ceiling cassette air handlers in a (9K + 9K + 12K + 12K + 12K + 18K) layout to perfectly balance cooling and heating across every space.
Built for DIY installation using MRCOOL’s patented Quick-Connect® pre-charged line sets, this 22 SEER2 system eliminates the need for vacuuming or refrigerant charging. Ideal for homes, garages, and offices, it offers whisper-quiet performance, smart control via app, Alexa, or Google Assistant, and dependable operation from −13 °F to 122 °F.
Key Features & Benefits
- ✔ 6-Zone kit configuration (9K + 9K + 12K + 12K + 12K + 18K) with 55K BTU outdoor unit.
- ✔ 22 SEER2 efficiency and 10.6 HSPF2-4 rating for lower energy bills.
- ✔ Heats to −13 °F and cools to 122 °F for year-round comfort.
- ✔ Quick-Connect® R-454B line sets — no vacuum pump or refrigerant required.
- ✔ Flush-mounted ceiling cassette air handlers for a clean, modern look.
- ✔ Smart HVAC App control with Alexa & Google Assistant compatibility.
- ✔ DIYPro® cable included — no electrical conduit needed.
- ✔ Gold Fin® anti-corrosion coating extends condenser life.
- ✔ Follow Me® remote sensor tracks ambient temperature for precise comfort.
- ✔ Energy Star, AHRI & ETL listed for verified efficiency and safety.
💡 Pro Tip: Every MRCOOL DIY ceiling cassette includes the WMK-19 Smart HVAC Wi-Fi Controller — a plug-and-play adapter that connects directly to the air handler for instant app and voice control. Use the MRCOOL or SmartHVAC app to schedule runtimes, adjust zones, and control temperature via Alexa or Google Assistant.
Technical Specifications
- Brand / Series: MRCOOL DIY 5th Gen Multi-Zone Mini-Split
- Outdoor Model: DIY-MULTI6-55HP230D-O
- Indoor Models: Ceiling Cassettes (9K + 9K + 12K + 12K + 12K + 18K)
- Total BTU Capacity: 55,000 Heating / 47,000 Cooling
- Zones: 6
- Refrigerant: R-454B (Pre-Charged Quick-Connect®)
- Voltage: 208/230 V 1 Ph 60 Hz
- Efficiency: 22 SEER2 | EER2 12 | HSPF2-4 10.6 | HSPF2-5 8.5
- Operating Range: Heat to −13 °F | Cool to 122 °F
- Sound Level: 64 dBA (Outdoor Unit)
- Compressor: DC Inverter Rotary
- Line Set Length: 25 ft each standard | Max total 221.4 ft
- Certifications: Energy Star, AHRI, ETL 5031495, UL Listed
- Warranty: 5-Year Parts | 7-Year Compressor | Limited Lifetime with MRCOOL Care registration
Buy from MRCOOL DIY Direct — America’s trusted source for genuine MRCOOL systems.
Enjoy fast nationwide delivery, expert support, and factory-fresh equipment backed by strong warranty protection.
Enjoy fast nationwide delivery, expert support, and factory-fresh equipment backed by strong warranty protection.
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
4.8 ★★★★★
Based on 22 reviews
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Product Reviews
★★★★★ 5
Excellent Structural Privacy Barrier / Zero Assembly Required
Color: Light Beige, Size: 6-Panel
I purchased this 6-panel partition to establish a dedicated recovery zone and create a hard visual perimeter in my room. It serves exactly the function I needed without any unnecessary complexity.
The structural execution is excellent. It effectively blocks out light and breaks up the room geometry perfectly. Despite being lightweight enough to reposition rapidly, it remains completely stable once anchored in place.
The best part is the zero-bloat deployment—it was ready to use immediately out of the box with absolutely no complex assembly or external hardware required. Highly recommended.
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Reviewed in the United States on May 19, 2026
★★★★★ 5
Nice!!
Color: Chocolate, Size: 6-Panel
I love this divider. There was no set up at all, simply remove it out of the box, that's it. Thank you for making this easy. The divider is of great quality and easy to store away when not in use.
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Reviewed in the United States on May 27, 2026
★★★★★ 5
No assembly required
Color: Light Beige, Size: 6-Panel
Absolutely love this! Arrived in a timely manner and it’s very versatile. Blocks the light on our porch on a hot day. Very durable and stable product. The color was as expected and there is no assembly required.
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Reviewed in the United States on May 16, 2026
★★★★★ 3
Looks ok if you don't look too close. Not likely to last long.
Color: Light Beige, Size: 6-Panel, Color: Light Beige, Size: 6-Panel
Got here fast, which was great since our company "upgraded" its video conferencing software and virtual backgrounds no longer work. But I can only describe the item as rickety and sloppily built. See photos: visible gaps in the weave that show the frame through. Chewed up screws in the hinges look like someone took them out and put them back in several times... or salvaged them from another unit.
On the whole, it doesn't seem sturdy. I'll be folding it up and re-deploying it several times a week, so I'll be surprised if it will still stand up in a year. Not a good value for the price, really, except that demand on these right now has prices pushed upward. I'd be happy enough if I'd spent $39.99 rather than over a hundred.
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Reviewed in the United States on December 4, 2021
★★★★★ 4
Smooth, Stable, and Perfect for Flexible Spaces
Size: 88''W-4 Panel, Color: Grey, Size: 88''W-4 Panel, Color: Grey
This room divider is incredibly easy to move thanks to its industrial-grade silent casters. It glides smoothly across different floor types with just one hand and without any noise, while the built-in wheel locks keep it firmly in place once positioned, no slipping or unwanted movement.
The base with reinforced steel feet adds impressive stability, preventing wobbling even in busy or high-traffic areas. I also love the foldable design, which makes storage effortless when it’s not in use. It folds down compactly and fits neatly into small spaces.
I gave only 4 stars because I'm not crazy about the color of the fabric. Otherwise this is a very functional way to separate areas.
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Reviewed in the United States on January 7, 2026
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