Pay in installments of $939.62 with
,
and
Shipping Estimate
USA
- USA
- CAN
- USA
- CAN
Ships within 48 hours · Estimated delivery Aug 19 - Aug 24
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
MRCOOL DIY 5th Gen 4-Zone 48,000 BTU Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+6K+18K+18K), DIYM455HPTake 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 150 sq. ft., 150 sq. ft., 750 sq. ft. and 750 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 150 sq. ft., 150 sq. ft., 750 sq. ft. and 750 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.
-
No Hassle Setup: Comes with pre-charged Quick-Connect® line sets, so there’s no messy refrigerant handling or vacuuming. Just connect and enjoy.
-
Year-Round Savings: Boasting up to 22.0 SEER2 cooling efficiency and 10.6 HSPF2-4 heating performance, this system delivers serious energy savings.
-
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
4.8 ★★★★★
Based on 22 reviews
Sort
Product Reviews
★★★★★ 5
Perfect Fit and Amazing Quality – Highly Recommend!
Color: Black, Size: 12, Color: Black, Size: 12
I am absolutely thrilled with this boys’ formal vest! The size was spot on—it fit perfectly without being too tight or too loose, which can be hard to find for kids’ dress clothes. The material feels premium, soft yet structured, and it looks much more expensive than it actually is. I ordered it for a wedding where my son was the ring bearer, and it photographed beautifully. It gave him such a classy, well-dressed look while still allowing him to move comfortably through the day.
The stitching and finish are top-notch, and the color stayed vibrant even after washing. It paired perfectly with a white shirt and dress pants we already had. I also appreciate how versatile it is—it’ll be great for Easter, family photos, or any other special occasion. Overall, I’m extremely happy with the quality, fit, and style of this vest. Definitely a 5-star purchase that I would buy again without hesitation!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 6, 2026
★★★★★ 5
Perfect Suit Great Quality and Value
Color: Lavender Purple, Size: 6 Years, Color: Lavender Purple, Size: 6 Years
I love at how nice this boys suit turned out. The slim fit gives it a stylish, elegant look, and it makes my nephew look so sharp and grown up. Fit true to size.
The material feels good quality, not thin or cheap, and it’s definitely nicer than I expected for the price. I really like that it comes as a full set, which made things so much easier instead of having to buy down extra pieces. Love the tie and the vest, so cute.
He wore it for a special event and got so many compliments, people couldn’t believe how handsome he looked. It stayed looking neat all day, and he was able to move around comfortably. I could easily see him wearing this again for weddings, church, holidays, or even school pictures.
Overall, it’s a great buy if you want your little guy to look dressed up without spending a fortune. Beautiful boys suit, stylish and elegant, great value and quality. Wash inside out, and air dry.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 26, 2025
★★★★★ 5
One of the best suits out there!!
Color: Christmas Green, Size: 8 Years
I am not one who write reviews, so the fact that I'm penning this review you should know. These suits are the best, the sizing, the fit, the quality everything is perfect. I bought for my 3 sons and they all fit well, I was worried about the fit because one of my son is slender but tall so length things would be okay but waist toooo big, with this suit everything was on point. Ages: 13-14(about 5"4-5"5 have a little body wouldn't consider husky) got him size 18,
10-11(slender but a little tall for his age) got him size 14,
9yr old(average height and body size) got him size 8. Can't beat the price and for 6 pieces(pants, vest, jacket, shirt, tie, bowtie)
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Great buy
Color: Champagne, Size: 6 Years
I bought 3 sizes for my sons to wear at our wedding. They are heavy duty quality material. The dress shirts are a little stiff and snug but also great quality. Would buy again 100%
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 24, 2026
★★★★★ 5
Perfect fit!
Color: Lavender Purple, Size: 12 Years, Color: Lavender Purple, Size: 12 Years
It’s perfect! Just get it, like now!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 4, 2026