SKU: 31864401152

MRCOOL DIY 5th Gen 5-Zone 51,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+6K+9K+12K+18K), DIYM555HP

$5332.95 $5925.50
Save 10%
No.2 Bestseller on lamcf.fr >

Pay in installments of $1481.38 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 2 - Aug 7

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MRCOOL DIY 5th Gen 5-Zone 51,000 BTU Ceiling Cassette Ductless Mini Split Air Conditioner & Heat Pump with Pre-Charged Line Sets (6K+6K+9K+12K+18K), DIYM555HPTake 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. Five Rooms, Perfect Comfort: Heat or cool five spaces that are 150 sq. ft., 150 sq. ft., 350 sq. ft., 500 sq. ft. and 750 sq. ft. each with independent temperature control for personalized comfort. Truly DIY Friendly: Forget expensive installs no HVAC license

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.

  • Five Rooms, Perfect Comfort: Heat or cool five spaces that are 150 sq. ft., 150 sq. ft., 350 sq. ft., 500 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:
  1. 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
SKU: 31864401152

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.5 ★★★★★
Based on 20 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
J
Verified Purchase
Jennifer Giles
Port Orchard, US
★★★★★ 5
Best I have tried
Source naturals is the best brand of melatonin that I have tried. I have been using it for years to help me stay asleep. I typically fall asleep fine, but where I run into issues is staying asleep or if I wake after a few hours of sleeping. The melatonin helps me fall back asleep faster and I feel refreshed the next morning. You will probably want to experiment with the dosage, I have found that the 5mg works best for me. And I like the peppermint flavor in lieu of the orange simply because I have usually just brushed my teeth before slipping this under my tongue.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 15, 2018
R
Verified Purchase
R. Miller
Fort Morgan, US
★★★★★ 5
My Most Reliable Sleep Aid
I've had issues falling asleep and staying asleep ever since I was a teenager, but for well over a decade, I've been able to count on melatonin to help me sleep better. This under-the-tongue version of it seems to work the best, being absorbed into the bloodstream. It helps get me to sleep relatively quickly while also helping significantly with keeping me asleep. I use one of these every night. I'd strongly recommend using these as well before turning to prescription sleep aids. They can also work well in conjunction with prescription sleep medicine if necessary.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on August 31, 2019
H
Verified Purchase
H. L. Hanson
Charlottesville, US
★★★★★ 4
This is a good product but the peppermint flavor is too overpowering
The sublingual Melatonin is ideal for traveling because it works almost instantly, so you can get to sleep faster than usual. I normally buy the orange flavored version and ended up with this peppermint one by accident (not paying attention), I found the taste much too strong and it seemed to create a burning sensation where I placed it under my tongue. I will stick to the orange version in the future.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 24, 2013
C
Verified Purchase
Coco Kelly
Waukegan, US
★★★★★ 5
I particularly love the sub-lingual
I've been using melatoning for yeeeears. I particularly love the sub-lingual. I use the 5 mgs and take two every night just as I go to bed and within minutes I'm asleep. I wake up rested and refreshed. Note: You have to be very patient with the dosage. Start with one..then add 1/2 a pill or another one. It works! The key is getting the exact dosage for you because we are not all the same. For example: I always take two. Very rarely I need one more, how do I know? Well, if I can't get to sleep within a reasonable amount of time I will take a third. Now, if I do this a couple of days in a row I start to wake up a little tired in the morning. Now I know I have too much melatonin in me so I may not take it the following night at all until my own body tells me it needs it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 8, 2014
B
Verified Purchase
Ben Barcenas
Lexington, US
★★★★★ 5
Works fast
I love this sublingual tablet, it helps me fall asleep fast. I've been using it for many years when I'm having a hard time falling asleep and doesn't give me a hang over.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 3, 2026

recommand products

Tolsen Tools, PP Pipe Welding Machine HD
197.60
Tolsen Tools, CS Pipe Wrench 36"
122.20
Tolsen Tools, 5pcs combination set spanner 8-10-12-14-17
28.60
Castor Wheel Green PU Rigid 150mm
66.30
Tolsen Tools by EgHardware, 19 pcs HSS Twist Drill Bits Set
26.00