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Description
MRCOOL DIY® 5th Gen 24,000 BTU Multi-Zone Mini Split Air Handler 230V, DIY-24-HP-WMAH-230D25-OMRCOOL DIY 5th Gen 24,000 BTU Multi Zone Mini Split Air Handler 230V Model: DIY 24 HP WMAH 230D25 O Ideal Coverage: Up to 1,000 sq. ft. Power: 230V Refrigerant: R 454B The MRCOOL DIY 24K BTU Multi Zone Wall Mounted Air Handler is designed for larger spaces such as basements, living rooms, home workshops, and large open areas. Built to pair seamlessly with MRCOOL DIY multi zone systems, this unit delivers powerful performance, energy savings, and
MRCOOL DIY® 5th Gen 24,000 BTU Multi-Zone Mini Split Air Handler – 230V
Model: DIY-24-HP-WMAH-230D25-O
Ideal Coverage: Up to 1,000 sq. ft. • Power: 230V • Refrigerant: R-454B
The MRCOOL® DIY® 24K BTU Multi-Zone Wall Mounted Air Handler is designed for larger spaces such as basements, living rooms, home workshops, and large open areas. Built to pair seamlessly with MRCOOL® DIY® multi-zone systems, this unit delivers powerful performance, energy savings, and flexible smart controls—all with no professional installation required.
🔥 Key Features
- DIY Installation: Installs without special tools, gauges, or vacuuming—ideal for homeowners or contractors
- Pre-Charged QuickConnect® Line Set: Pre-loaded with R-454B refrigerant for quick, secure hookup
- Eco-Friendly R-454B: Lower GWP (Global Warming Potential) than R-410A for cleaner operation
- DIYPRO® Cable: Durable armored cable protects from harsh weather and animals—no electrical conduit needed
- Smart Control: Remote, SmartHVAC App, Amazon Alexa, and Google Assistant compatible
- Follow Me Mode: Maintains temperature based on the remote’s location for precise comfort
- Dehumidification: Dry Mode helps reduce indoor moisture and mold risk
📏 Room Size Coverage
This unit is optimized for large areas up to 1,000 sq. ft., making it ideal for open layouts, studios, dens, and additions.
🛡️ Industry-Leading Warranty
- Compressor: 7-Year Warranty
- Parts: 5-Year Warranty
- Lifetime Replacement: Available through MRCOOL® Care Program Enrollment
⚠️ Compatibility Notice
This 5th Gen air handler is pre-charged with R-454B refrigerant and is not interchangeable with R-410A systems. Ensure compatibility with your MRCOOL® 5th Gen condenser before purchase.
Buy with confidence from MRCOOL DIY Direct – the #1 trusted source for DIY HVAC systems, replacement parts, and accessories in the USA.
Specifications & Dimensions
| Specification | Details |
|---|---|
| Model Number | DIY-24-HP-WMAH-230D25-O |
| Cooling Capacity | 24,000 BTU/h |
| Heating Capacity | 24,000 BTU/h |
| Recommended Coverage Area | Up to 1,000 sq. ft. |
| Power Supply | 208–230V, 60Hz, 1 Phase |
| Minimum Circuit Ampacity | 6 A (est.) |
| Maximum Fuse | 20 A (est.) |
| Refrigerant Type | R-454B |
| Line Set Size | 3/8" Liquid x 5/8" Gas |
| Communication Cable Included | Yes, 4-conductor |
| Wireless Control | Remote, SmartHVAC App, Alexa, Google Assistant |
| Remote Sensor (Follow Me) | Yes |
| Dry Mode Function | Yes |
| Mounting Type | Wall-Mounted |
| Dimensions (WxDxH) | Approx. 42.5" x 9.5" x 13" |
| Net Weight | Approx. 35 – 38 lbs |
| ETL Listing Number | 5031495 |
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
4.6 ★★★★★
Based on 10 reviews
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Product Reviews
★★★★★ 5
Sharp, Comfortable, and Wedding Ready Without Breaking the Bank
My best friend got married last year and her oldest son was unable to attend because he was deployed overseas. When he called me to say he was coming home six months early for a stateside assignment, we secretly planned a surprise vow renewal. She originally had a lavender color theme for her wedding, this suit looked incredible and matched up perfectly.
For the price, this set honestly surprised me. You get the jacket, vest, tie and pants, and it does not look cheap. The buttons are sewn on securely, the seams are straight, and the black trim on the lapel gives it that polished vibe. The fabric is a polyester blend, but it has a nice structure to it and holds its shape well in photos.
Fit was spot on according to the size chart. It has a modern slim look without being uncomfortably tight. He wore it all day for the ceremony, pictures, and dinner and said it was comfortable the entire time. No constant adjusting, no pulling at the shoulders, no fighting the pants waistband.
One small downside is that it does recommend dry clean only, which is expected for a suit, but still something to keep in mind if you were hoping for easy at home care. Also, because it is a slim cut, if someone is between sizes or prefers a looser fit, they may want to size up.
For a wedding, vow renewal, formal event, or even prom, this suit delivers. It photographs beautifully and looks far more expensive than the price tag suggests. For a special moment like this, it was absolutely perfect.
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Reviewed in the United States on February 18, 2026
★★★★★ 5
Surprisingly Versatile Suit Set That Works Beyond Formal Wear
Color: Black, Size: Large
I got this for my wife and she absolutely loves it. She originally wanted it to mix and match into her outfits rather than wear it strictly as a full suit, and it worked out perfectly. The slim fit pieces look sharp and modern, and each item can easily be styled separately with other wardrobe staples.
The jacket is well tailored with clean lines, and the black trim on the notch lapel adds a polished touch that elevates even casual looks. She pairs the jacket with jeans or dresses it up with tailored pants. The vest is also a standout piece and looks great layered over blouses or fitted tops. The pants fit well and have a flattering cut that works for both formal and creative styling.
The fabric feels good quality for the price and the overall construction looks well made. This suit works great for weddings and events, but it is also a fun option for fashion forward styling if you like blending menswear inspired pieces into everyday outfits.
Pros:
Clean, modern slim fit design
Jacket, vest, and pants can be styled separately
Polished details with the black trim lapel
Good quality fabric for the price
Works for weddings and creative everyday outfits
Suggestions for improvement:
Offer individual pieces for separate purchase
Include more detailed sizing guidance for alternative fits
Add more color options for mix and match styling
Overall, this suit exceeded expectations and turned out to be a very versatile addition to her wardrobe. Great choice if you want something formal that can also be styled in creative ways.
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Reviewed in the United States on January 29, 2026
★★★★★ 5
"He Cleaned Up So Good I Almost Didn't Recognize Him"
Color: Light Gray, Size: Medium, Color: Light Gray, Size: Medium
Got this three-piece suit for my grandson's school event and LISTEN. This boy walked out looking like he had a business meeting and a reservation at a nice restaurant. The light gray with black trim is sharp, slim fit actually fits without looking too tight, and the vest pulls the whole thing together. He felt like a million bucks and honestly looked like it too. For the price, the quality is impressive, good stitching, decent fabric weight. Only wore it once so far but it held up beautifully. Grandma was PROUD.
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Reviewed in the United States on March 1, 2026
★★★★★ 4
Looks fine at a glance but definitely budget
Color: Ivory, Size: Large
I picked this up in the ivory color and the overall design leans very old school, especially with the oversized front buttons. They look nice from a distance, but up close they feel a bit cheap. The pants are one of the better parts, with a comfortable fit and an elastic waistband, and the included tie is a nice touch. Fit seems generally accurate, though having a size chart would have helped. The material is where the cost really shows, with a coarse polyester exterior and a smoother inner lining that helps with comfort. It gets the job done if you need something affordable in a pinch, just don’t expect it to feel or look high end up close.
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Reviewed in the United States on March 19, 2026
★★★★★ 5
Great looking suit
This suit is very good looking. To me, it is hard to find a suit in a cream color like this, that actually looks good. This one pulled off the trick for me!
The jacket is well made and if you look at the posted photos you will see that the hankie pocket is slightly slanted. That makes this suit a bit unique among others. It even comes with the Red Tie included!
It is well made, great looking, fits right and feels great.
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Reviewed in the United States on April 19, 2026