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Description
MRCOOL DIY Select 24K BTU 230V Mini Split Heat Pump System with Black Air Handler | 16.5 SEER2 | R-454B | 11.5 ft Pre-Charged Line SetMRCOOL DIY Select 24K BTU 230V Mini Split System with Black Air Handler The MRCOOL DIY Select 24K BTU Mini Split System delivers powerful heating and cooling for large spaces, combined with a sleek black air handler that upgrades the look of any room. Because if you're putting something this big on your wall, it might as well look like it belongs there. Designed for areas up to 1,050 sq ft, this 230V ductless heat pump is ideal for large garages, open
MRCOOL DIY Select 24K BTU 230V Mini Split System with Black Air Handler
The MRCOOL DIY Select 24K BTU Mini Split System delivers powerful heating and cooling for large spaces, combined with a sleek black air handler that upgrades the look of any room. Because if you're putting something this big on your wall, it might as well look like it belongs there.
Designed for areas up to 1,050 sq ft, this 230V ductless heat pump is ideal for large garages, open living areas, workshops, additions, and light commercial spaces. With 16.5 SEER2 efficiency, you get strong output, reliable performance, and consistent comfort year-round.
Installation stays simple thanks to the included 11.5 ft pre-charged Quick Connect® line set. No vacuum pumps, no gauges, and no refrigerant handling required. Mount it, connect it, power it, and enjoy full-scale comfort without the usual installation cost.
Key Features
- Black wall-mounted air handler for a modern, premium look
- 24,000 BTU heating and cooling for large spaces
- 230V power for high-capacity performance
- 16.5 SEER2 efficiency for balanced performance and energy savings
- True DIY installation with pre-charged line set
- R-454B refrigerant for future-ready operation
- Smart control with MRCOOL Comfort App
- Compatible with Alexa and Google Assistant
- Quiet operation for residential and workspace use
- Gold Fin® protection for long-term durability
What’s Included
| Component | Details |
|---|---|
| Outdoor Condenser | MRCOOL DIY Select 24K 230V heat pump condenser |
| Indoor Air Handler | Black wall-mounted air handler |
| Pre-Charged Line Set | 11.5 ft Quick Connect® DIY line set |
| DIYPRO® Cable | 13 ft communication cable |
| Remote Control | Included |
| Installation Hardware | Included |
Performance Specifications
| Specification | 24K 230V DIY Select |
|---|---|
| Cooling Capacity | 24,000 BTU |
| Heating Capacity | 24,000 BTU |
| SEER2 | 16.5 |
| HSPF2-4 | 8.3 |
| HSPF2-5 | 6.3 |
| Coverage Area | Up to 1,050 sq ft |
| Indoor Noise Level | 51.5 / 45.5 / 40.5 / 26.5 / 21.5 dB(A) |
| Outdoor Noise Level | 61 dB(A) |
| Refrigerant | R-454B |
Electrical Requirements
| Specification | Requirement |
|---|---|
| Power Supply | 208/230V, 60Hz, Single Phase |
| Outdoor Minimum Circuit Ampacity | 19A |
| Maximum Breaker / Fuse | 20A |
Important: Always size your breaker based on the outdoor condenser specs and follow local electrical codes. Electricity remains extremely unforgiving.
Warranty Information
| Coverage | Details |
|---|---|
| Compressor | 2-Year Warranty |
| Parts | 1-Year Warranty |
| Remote | 1-Year Warranty |
Why Choose This System?
The MRCOOL DIY Select 24K system is the top-tier option in the Select lineup, built for larger spaces that demand more power. It combines strong output, efficient performance, and a modern black air handler design with a simplified installation process, making it a practical choice for homeowners who want maximum coverage without professional install costs.
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
4.1 ★★★★★
Based on 19 reviews
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Product Reviews
★★★★★ 5
Totally worth it!!
So I have combination skin with a tendency toward closed comedones and I decided to try this product because I heard that azelaic acid helps with closed comedones. Honestly, I didn’t have very high expectations because my closed comedones have been very stubborn. I was already using the COSRX BHA before introducing this product, but it worked very slowly, so I wasn’t really getting the results I wanted from that product alone. Let me tell you that once I introduced this product, I finally started seeing the results I was looking for. I have noticed that my closed comedones have been resolving way faster than when I was only using the BHA and my skin also feels softer and overall looks healthier. I also want to mention that even though I don’t get inflamed breakouts very often, when I do get one, I feel like this product helps it calm down and go away much faster. I did start incorporating it slowly, and I highly recommend that anyone who wants to start using this product do the same and not rush into using it every day right away. Despite that, I personally haven’t had any issues with irritation at all and I actually find it very soothing, but you always need to be careful when adding new actives to your routine. I am currently using this product 4-5 days a week, once a day, and on the days I do not use it, I use my BHA instead. I also find that this product lasts a long time, since you only need like five drops for the entire face and the consistency is very watery. I’ve been using it for around two months, and there is still plenty left. Overall, I really recommend this product because it has helped me a lot, and while I am not sure if this alone would be enough to treat closed comedones, I would definitely say it is a great complement to other treatments.
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Reviewed in the United States on January 27, 2026
★★★★★ 5
Changed my skin in 5 days
This stuff transformed my skin in 5 days! I’ve had issues with random breakouts and redness ever since I turned 40 and have had difficulty finding a product that actually helps those issues. I incorporated this product into my daily routine for the last 5 days and my skin is clear, moisturized, super soft and redness/breakout free. I use this after washing my face and applying toner; I use just enough to cover my face as a little goes a long way. It has a very loose, almost oily consistency but spreads easily and doesn’t make your skin feel greasy at all. Once it’s absorbed into my skin, I apply my moisturizer. I would definitely recommend this to anyone with skin redness and dryness, it’s a game changer!
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Reviewed in the United States on May 15, 2026
★★★★★ 5
I think this will help my rosacea redness!
Update: after using this 2 months, I will be reordering. The rosacea redness to my cheeks and nose have drastically reduced. I use it every other day. I tried a routine of on alternating mornings using vitamin c one day and this Anua azelaic acid the next. Cleanse, tone, azelaic acid, and then whatever I'm doing next (including SPF if I'm going outside). I don't use it at night, preferring a different routine with actives at night.
I don't use the hypochlorous acid on my face very often at all now so the Anua is doing the work of hydrating and helping calm my skin.
Note that I have aging skin that likely could be prone to dryness but I am meticulous about my skincare so my skin isn't dry - so though they advertise it's for blemish-prone skin, I use it for rosacea redness, and alternating plus hydrating before and after azelaic acid is what works for my skin.
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The first time I tried this over my entire face, it made my face immediately red so I considered returning it. However, I had used other serums and thought maybe it was just too much at once for my rosacea-prone skin, and that I used too much as well. (I will add that I did a small patch test along my jawbone and let that absorb for hours - always do a patch test of an unfamiliar product!)
After a couple of days, I tried it again, and I am impressed! This time, I hadn't used my tretinoin the night before - since I just went up in strength, my skin has been reactive. This time I cleansed my face using Thayer's milk cleanser, which is very soothing, and in fact is one of the only non-Korean beauty products in my skincare routine. Then I used my TirTir milky toner. I waited 5-10 minutes, then I applied just a little bit of this Anua Azelaic Acid over my entire face.
I was very surprised that there was no burning or irritation. And also surprised that a few minutes later some of the redness on my cheeks were calmed down--nothing earthshaking but there was a slight difference.
I let that absorb/sit for about 10 minutes and then I applied my Cosrx ceramide booster serum, which is very hydrating, and after letting that absorb for 5 or 10 minutes, I applied my Cosrx snail music to further hydrate. I'll be applying another moisturizer to seal it all in.
I tried it again the next day and had similar results - again, not using my tret the night before or the C the same morning.
This likely, at least at first, won't be a part of my daily routine as I think it could be too strong for my skin along with the other actives I use. For example, I won't use it when I apply my vitamin C until I lower the strength or until my skin is used to the azelaic acid, and I definitely wouldn't use it right before or right after tretinoin. I will do as they suggest and at first use it maybe 2x a week, so on weekends when I don't use my tretinoin or vitamin c, I will use this Anua azelaic acid. After doing this for a couple weeks, I may experiment and start using it more often --perhaps alternating this and my vitamin c since my vitamin c is really strong. As well I may consider lowering my vitamin c strength, and go back to the lower strength tret. (Update: I was out of town so I took a 4-day break from tret and vitamin c and tried this every morning after toning with hypochlorous acid (I let the HA dry completely first), and this didn't irritate my skin at all, and in fact, helped the redness. I am going to find a way to add it to my routine maybe by alternating days using this and vitamin c.)
This is fragrance free, which is a must for me. The consistency is thin but not overly watery - glides on easily. I bought mine on Spring Sale so I'm happy about that.
I will also add that I use Metrocream, and hypochlorous acid spray (Prequel) on my skin a few times a week and that helps the redness as well.
It's an experimental process to find what will be right for my rosacea and aging skin.
I am hoping with regular use my redness will calm even more as I hate the flushing across my cheeks and nose that I've dealt with for many years.
I'm hopeful!
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Reviewed in the United States on April 4, 2026
★★★★★ 4
Works Great but the price is rising!
Anua Azelaic Acid is a very good serum. Both my daughter and I use it regularly. My daughter has severe rosacea, and this has helped calm her skin significantly her redness is almost gone. For me, it has also made a noticeable difference by reducing redness and giving my skin a healthy glow. We both use it at night, and it’s definitely very soothing and calming. The formula is gentle, lightweight, and works really well for sensitive skin without causing irritation.
However, the only downside is the price, it seems to have increased quite a bit recently, which is concerning. I bought a couple during Amazon Prime Day, which worked out really well. For a relatively simple azelaic acid serum, the price increase feels a bit steep.
If the price continues to rise, I may need to look for a more budget-friendly alternative. Otherwise, it’s a really great serum that delivers great results.
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Reviewed in the United States on March 30, 2026
★★★★★ 5
DERM APPROVED!
I am obsessed with this product!! This feels very luxurious on my skin and does not pill like other products I have had in the past. I have noticed a significant improvement in the background redness in my skin. As someone who works in derm and values good ingredients and products that actually work... I can confidently say that this is the best OTC azelaic acid product I have tried out. It sits very nicely under my moisturizer and does not dehydrate my skin like other azelaic acid products have done in the past. HIGHLY RECOMMEND
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Reviewed in the United States on May 10, 2026