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Description
MRCOOL DIY 4th Gen 2-Zone 27,000 BTU 22 SEER (9K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230VMRCOOL DIY Multi Zone 4th Gen 27K BTU Dual Zone Ductless Mini Split with Ceiling Cassettes (9K + 18K) The MRCOOL DIY 4th Gen 27,000 BTU Dual Zone Mini Split System is a cutting edge solution for efficient, discreet, and customizable climate control. This package includes two ceiling cassette air handlers (9,000 BTU and 18,000 BTU) and a powerful 27,000 BTU condenser, offering comfort and flexibility for two distinct spaces. With DIY installation,
MRCOOL DIY Multi Zone 4th Gen 27K BTU Dual Zone Ductless Mini Split with Ceiling Cassettes (9K + 18K)
The MRCOOL DIY 4th Gen 27,000 BTU Dual Zone Mini Split System is a cutting-edge solution for efficient, discreet, and customizable climate control. This package includes two ceiling cassette air handlers (9,000 BTU and 18,000 BTU) and a powerful 27,000 BTU condenser, offering comfort and flexibility for two distinct spaces. With DIY installation, homeowners can save significantly on setup costs without compromising on performance.
Key Features
1. Energy-Efficient and Environmentally Friendly
- Up to 22 SEER Efficiency Rating: Optimized to lower energy bills and reduce environmental impact.
- Gold Fin® Technology: Ensures durability against long-term corrosion, ideal for coastal or high-humidity environments.
- Eco-Friendly R-410A Refrigerant: Safe and sustainable, promoting an environmentally conscious lifestyle.
2. Innovative Ceiling Cassette Design
- Low-Profile Installation: Seamlessly integrates into ceilings with standard 16-inch joists.
- Discreet Comfort: Hidden air handlers eliminate the need for bulky wall units or ductwork.
3. Advanced Heating and Cooling Capabilities
- 9K BTU Air Handler: Covers up to 375 sq. ft., perfect for small to medium-sized rooms.
- 18K BTU Air Handler: Covers up to 750 sq. ft., ideal for larger living areas or open spaces.
- All-Season Performance: Operates efficiently in extreme conditions, from -13°F for heating to 122°F for cooling.
4. DIY Installation and Convenience
- Pre-Charged Quick Connect® Line Sets: Eliminates the need for HVAC professionals, making installation straightforward.
- No-Vac® Coupler: Expands line set options for greater flexibility.
- Comprehensive DIY Resources: Includes video guides and detailed instructions for hassle-free setup.
5. Smart Technology Integration
- Smart HVAC App: Control your system remotely using your smartphone.
- Alexa and Google Home Compatibility: Enable voice control for effortless operation.
- Troubleshooting Alerts: Built-in diagnostics displayed on the air handler’s digital panel.
6. Robust Warranty
- Lifetime Compressor Warranty: Unique to MRCOOL, providing long-term peace of mind.
- Standard Warranty: 7-year compressor and 5-year parts coverage.
Specifications
Condenser
- Cooling/Heating Capacity: 27,000 BTU
- Efficiency Ratings: SEER: 22 | EER: 12.5 | HSPF: 10.6/8.6
-
Operating Temperature Range:
- Cooling: 5°F ~ 122°F
- Heating: -13°F ~ 75.2°F
- Voltage Requirements: 208-230V/60HZ/18-25A
- Dimensions: 35.04"W x 13.46"D x 26.50"H
- Noise Level: 59 dBA
- Maximum Line Set Length: 98.42 ft.
- Warranty: Limited Lifetime Compressor (with registration), 7-year compressor, 5-year parts
Ceiling Cassette Air Handlers
-
9K BTU Air Handler:
- Coverage Area: Up to 375 sq. ft.
- Modes: COOL, HEAT, AUTO, DRY, FAN-ONLY, SLEEP
- Dimensions: 31.57"W x 7.44"D x 11.69"H
- Warranty: 5-year parts
-
18K BTU Air Handler:
- Coverage Area: Up to 750 sq. ft.
- Modes: COOL, HEAT, AUTO, DRY, FAN-ONLY, SLEEP
- Dimensions: 42.52"W x 8.90"D x 13.19"H
- Warranty: 5-year parts
Pre-Charged Line Sets
- Lengths Available: 16 ft., 25 ft., 35 ft., or 50 ft.
- Refrigerant: Pre-charged with R-410A for easy DIY installation.
Why Choose the MRCOOL DIY 27K BTU Dual Zone System?
- Customized Comfort: Tailor the temperature of two zones to meet individual needs.
- Sleek and Subtle Design: Ceiling cassettes blend seamlessly into the room for a modern aesthetic.
- Cost Savings: Avoid expensive professional installation with pre-charged line sets and DIY support.
- Energy Efficiency: Enjoy reduced utility bills without sacrificing performance.
- Smart Home Ready: Control your HVAC system remotely with cutting-edge smart technology.
Perfect Applications
- Homes: Comfort for bedrooms, living rooms, or office spaces.
- Offices: Tailored temperature control for meeting rooms or individual workspaces.
- Renovations and New Construction: Flexible, energy-efficient HVAC for various projects.
Order Today
Upgrade your home or office climate control with the MRCOOL DIY 4th Gen 27K BTU Dual Zone Mini Split System. Enjoy quiet operation, energy savings, and unmatched convenience with this innovative, user-friendly HVAC solution.
Order now from MRCOOL DIY Direct and transform your space!
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 15 reviews
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Product Reviews
★★★★★ 4
Solid Kids Sandals, Overpriced Like Most Kids Shoes 🌞
Size: 11 Little Kid, Color: Brown, Size: 11 Little Kid, Color: Brown
My son hasn’t worn these yet since it’s December in Indiana and sandals + snow obviously don’t mix. 😂 So this review is based on first impressions rather than long term wear.
That said, these seem wider than a lot of typical kids’ sandals, which I REALLY appreciate since we tend to have wider feet in our family. #hobbitfeet
The quality feels pretty decent overall. They’re described as lightweight, and while they’re not insanely lightweight, they do have enough weight to feel semi-sturdy and not flimsy or cheap. I like the style and color, and I think they’ll work well for my son once warmer weather hits.
My main complaint is the price. At just under $24 at the time of this review, it feels a little high for kids’ sandals and for what these are. I really feel like $20 MAX would make more sense. Kids shoes are almost always priced like adult shoes, even though they clearly use less material, and that’s hard for me to understand and wrap my mind around. Overall, these seem solid for daily wear, I just wish the price was a bit more reasonable and affordable.
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Reviewed in the United States on December 31, 2025
★★★★★ 5
Great basic and timeless design
Size: 12 Little Kid, Color: Brown
These sandals are a great find! They’re super easy to get on and off thanks to the Velcro straps, which is a huge win for little ones learning to be more independent. The fit is adjustable and secure, so they stay in place well during all kinds of play.
The cork-style footbed is comfortable and gives good support, and the overall design feels sturdy enough to handle everyday wear. They’re lightweight but still durable, and have held up really well so far.
They also have a classic, versatile look that goes with just about everything, perfect for summer outfits. Overall, a reliable, comfortable sandal that’s great for active kids. Would definitely buy again!
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Reviewed in the United States on April 24, 2026
★★★★★ 5
Great option for boys or girls
Size: 13 Little Kid, Color: Black, Size: 13 Little Kid, Color: Black
This is really more of a unisex option for a sandal. I have sandals that look like this, and both of my children have worn this style. I ordered these for my daughter, with the plan to pass them down to my son if they're not too worn when she outgrows them. The style is very minimalistic, so it goes with lots of outfits. All the straps are easily adjustable, so you can get a good fit. I would say the length is true to size, but the width is maybe a bit wide. Nevertheless, the adjustable straps really help them fit well. They feel really sturdy and I appreciate that the sole has cushion to it. My daughter has worn these every day since I got them out of the closet and they're holding up well.
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Reviewed in the United States on February 19, 2026
★★★★★ 1
Velcro strap non durable.
Size: 10.5 Little Kid, Color: Oltremare
The Velcro strap stop working after using the shoes for only less than 2 month.
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Reviewed in the United States on July 19, 2025
★★★★★ 5
Daughter approved
Size: 1 Little Kid, Color: Turquoise/Multi
My daughter picked out these shoes and she absolutely loves them.
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Reviewed in the United States on May 9, 2026