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Ships within 48 hours · Estimated delivery Aug 4 - Aug 9
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Description
MRCOOL DIY 5th Gen 4-Zone 45,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump (9K+12K+12K+12K), DIY4-BC-55HPTake control of your comfort with the MRCOOL DIY 5th Gen Multi Zone Mini Split System the easiest and most affordable way to get powerful, energy saving heating and cooling without hiring a pro. Four Rooms, Perfect Comfort: Heat or cool four spaces that are 350 sq. ft., 500 sq. ft., 500 sq. ft. and 500 sq. ft. each with independent temperature control for personalized comfort. Truly DIY Friendly: Forget expensive installs no HVAC license or special
Take control of your comfort with the MRCOOL DIY 5th Gen Multi-Zone Mini Split System - the easiest and most affordable way to get powerful, energy-saving heating and cooling without hiring a pro.
- Four Rooms, Perfect Comfort: Heat or cool four spaces that are 350 sq. ft., 500 sq. ft., 500 sq. ft. and 500 sq. ft. each with independent temperature control for personalized comfort.
- Truly DIY-Friendly: Forget expensive installs - no HVAC license or special tools required. If you can use basic hand tools, you can do this.
-
Year-Round Savings: Boasting up to 22.0 SEER2 cooling efficiency and 10.6 HSPF2-4 heating performance, this system delivers serious energy savings.
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Built for Every Season: Stay cozy even in the dead of winter - reliable heating works all the way down to -13°F.
- Strong Warranty Protection: Includes 7-Year Compressor Replacement and 5-Year Parts Coverage.
Whether it’s hot summer days or freezing winter nights, the MRCOOL DIY Mini Split keeps your home comfortable and your energy bills low. Smart. Simple. Affordable.
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
4.0 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Supplies
I haven't use any of them yet but looks good
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Reviewed in the United States on September 17, 2024
★★★★★ 5
I highly recommend it
Color: White, Size: D20Plus, Color: White, Size: D20Plus
This is an excellent product and I am very happy with it. The suction power is strong , The automatic station makes cleaning almost hands-free, which is very convenient.
Navigation and mapping are accurate, and it moves around furniture smoothly. It handles daily dust, dirt, and pet hair very well. Setup was quick and the app is easy to use.
Overall, this robot saves a lot of time and works reliably every day. Definitely worth the purchase
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Reviewed in the United States on April 5, 2026
★★★★★ 5
Really nice and affordable vacuum!
Color: White, Size: D20Plus, Color: White, Size: D20Plus
I’ve been looking to upgrade my vacuum robot for a while. I came across this vacuum, it is affordable and comes with the features that I’m looking for. The strong suction, hair detangle brush (critical if you have long hair) and easy mapping. It honestly made daily cleaning so much easier. The suction power is seriously impressive. It picks up dust and crumbs and I love how it auto emptied the dust bin. Also I have hard floor at home and I’m loving the mopping function. I love how I don’t have to vacuum and mop the floor by myself anymore! Would recommend this robot to people that are looking for an affordable option!
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Reviewed in the United States on March 3, 2026
★★★★★ 4
Decent vacuum/mop for the price
Color: Black, Size: D20Plus, Color: Black, Size: D20Plus
We have had this vacuum for a couple of months now and can now give it an honest review.
The good: cleans well, good suction power, durable, manages changes in floor height fairly well, attractive (for a robot vacuum), programmable, great mapping
The bad: noisy, muffled voices, cumbersome to program initially, app is not the most user-friendly, does not like rugs with a higher nap.
Some tips:
1) If you have pets, be cautious of the cleaning solution. Make sure it's pet safe.
2) For pets and children- Remember to pick up any toys before the cleaning cycle begins. The vacuum will try to eat smaller, flat or string toys, and you will end up with a wrapped brush notification.
3) When mapping for the first time, remember to close doors to any rooms or exterior areas you do not want vacuumed or mopped.
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Reviewed in the United States on April 2, 2026
★★★★★ 5
Excellent for vacuuming with a great app
Color: White, Size: D20Plus
This thing is just awesome. I gave her name and some googly eyes, and now she is my official cleaning lady. Does a great job with dog hair which was the main reason for the purpose. I was vacuuming all the time. I have hard floors and 3 dogs one of which is a golden retriever that sheds like crazy. The D20 does really great getting up the pet hair along with other stuff in the floor. I have a couple area rugs as well as thick mats in front of the front and back doors, and she does great on both. I definitely make sure to get up any cables or little things like door stops as she will get caught up from time to time. The app works great and does a good job of sending alerts when there is an issue. It lets you know if it’s hung up on something, stick on an edge and if the cleaners are tangled up underneath along with other things. It’s really easy to flip over and take off the brushes to clean them out and untangle them, and easy to put it all back together. You can also schedule her to clean any time of day / night and customize how it cleans certain areas. I prefer to let her run late at night while me and the dogs are sleeping, and she gets the house done in about 90 minutes and covers a lot of ground. She’s also surprisingly quiet for as much as she is picking up. If I’m already awake, I can hear her start to roll around upstairs. But I’ve never been woken up by her, nor have my dogs. I have never used the mop feature as I bought it only for the vacuuming. From what I’ve read it seems there are better options for mopping. But as far as vacuuming goes I am super happy with her! I was vacuuming 3-4 times a week and would usually mop every other week, if ai could get away with it. Now I vacuum and mop once every two weeks, and Dreame does a wonderful job keeping the place clean in between my bi-weekly cleanings. The D20 was a great purchase and a major time and energy saver for me!
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Reviewed in the United States on January 9, 2026
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