SKU: 30566721906

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling Cassettes

Sale price$5591.25 Regular price$6212.50
Save 10%

Pay in installments of $1553.12 with ShopPay, AfterPay and Klarna

Shipping Estimate
USA
  • USA
  • CAN

Ships within 48 hours · Estimated delivery Aug 13 - Aug 18

Promo Codes Available:

For Your Every Summer RSVP, with Code: SUMMER15

Description

MRCOOL DIY 5th Gen Multi-Zone 6-Zone 55,000 BTU 22 SEER2 (9K + 9K + 9K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump with Ceiling CassettesMRCOOL DIY 5th Gen 55,000 BTU 6 Zone Ceiling Cassette Mini Split System DIY MULTI6 55HP230D O The MRCOOL DIY 5th Generation 55,000 BTU 6 Zone Ceiling Cassette Mini Split System is the largest capacity DIY system MRCOOL has ever produced engineered for whole home comfort and true do it yourself installation. Perfect for homeowners who want professional grade performance without professional labor, this high efficiency system pairs a 55K BTU condenser

MRCOOL DIY 5th Gen 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System | DIY-MULTI6-55HP230D-O

The MRCOOL DIY 5th Generation 55,000 BTU 6-Zone Ceiling Cassette Mini-Split System is the largest-capacity DIY system MRCOOL has ever produced — engineered for whole-home comfort and true do-it-yourself installation. Perfect for homeowners who want professional-grade performance without professional labor, this high-efficiency system pairs a 55K BTU condenser with your choice of low-profile ceiling cassette air handlers for quiet, concealed heating and cooling.

Designed around MRCOOL’s revolutionary Quick-Connect® pre-charged line sets, installation is fast, clean, and safe — no vacuum pump or refrigerant tools required. With a 21.5 SEER2 rating and R-454B refrigerant, this 6-zone system delivers powerful comfort, high efficiency, and eco-friendly performance year-round.

Key Features & Benefits

  • ✔ Supports up to six indoor zones with one 55K BTU condenser.
  • ✔ Compatible with 6K, 9K, 12K, and 18K ceiling cassette units for flexible room coverage.
  • 21.5 SEER2 / 10.6 HSPF2-4 efficiency rating for reduced energy costs.
  • Heats to −13°F and cools to 122°F for dependable year-round performance.
  • Flush-mounted ceiling cassettes blend seamlessly with your interior design.
  • Smart control through the MRCOOL app, Alexa, or Google Assistant.
  • Gold Fin® anti-corrosion coating for extended outdoor durability.
  • DIYPro® cable included — simplifies wiring without conduit.
  • Energy Star, AHRI, and ETL listed for performance and safety verification.
  • 5-Year Parts and 7-Year Compressor Warranty (Lifetime optional with MRCOOL Care).
💡 Pro Tip: Skip the contractor markup and save thousands by installing this system yourself! The MRCOOL DIY 5th Gen’s pre-charged Quick-Connect® line sets make it possible for most homeowners to complete their installation in a weekend — no refrigerant handling, vacuum pump, or pro labor required. It’s the perfect combination of innovation, affordability, and independence.

Technical Specifications

  • Brand: MRCOOL
  • Series: DIY 5th Gen Multi-Zone Mini-Split
  • Model: DIY-MULTI6-55HP230D-O
  • Cooling Capacity: 47,000 BTU
  • Heating Capacity: 55,000 BTU
  • Zones: 6
  • Refrigerant: R-454B (Pre-Charged Quick-Connect®)
  • Efficiency: 21.5 SEER2 | EER2 12 | HSPF2-4 10.6
  • Voltage: 208/230V, 1 Phase, 60 Hz
  • Compressor: DC Inverter Rotary
  • Operating Range: Heat down to −13°F | Cool up to 122°F
  • Noise Level: 64 dBA (Outdoor Unit)
  • Max Line Set Length: 221.4 ft combined
  • Certifications: Energy Star, AHRI, ETL, UL
  • Warranty: 5-Year Parts | 7-Year Compressor | Lifetime (MRCOOL Care Registration)
Nationwide Shipping from MRCOOL DIY Direct: Fast delivery anywhere in the U.S. — systems ship factory-direct, fully warrantied, and ready for installation. Enjoy secure freight delivery and real-time tracking from our warehouse to your door.

 

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: 30566721906

Discover Niche Categories That Outsell

Top-Converting Item to Boost Your Average Order

4.4 ★★★★★
Based on 22 reviews
Sort
Highest Rating
Newest First
Oldest First
Product Reviews
R
Verified Purchase
readingisnotenough
Los Angeles, US
★★★★★ 5
Small jewelry box bit potential
Color: Black
Very stable product perfect to have on dresser or travel. Keeps all of my items organized
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2026
H
Verified Purchase
H C
Belleville, US
★★★★★ 5
Prefect Travel Case
Color: Black, Color: Black
I got this for taking my jewelry on the go. I have to say that I was pleasantly surprised by the quality it feels very sturdy. It has several spots to hold jewelry and keep it organized. The outside is textured and it closes with a snap which can be done easily.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
T
Verified Purchase
TopConsumer
Cuba, US
★★★★★ 4
Small, bu holds a lot
Color: Black
I initially purchased the Jewelry Box Necklace Ring Storage Organizer as a gift for my 8-year-old daughter. The compact design and practical features seemed perfect for her little trinkets. However, its quality and style so took me upon receiving it, I decided to keep it for myself! The jewelry box is small, but it holds a lot with a double-layer structure that provides ample storage space for various types of jewelry. It easily accommodates rings, necklaces, and other small accessories without clutter. One of the highlights of this product is its portability. Its compact size makes it an ideal travel companion. I've taken it on several trips, and it has proven incredibly convenient. It keeps all my jewelry neatly organized and easy to find, eliminating the hassle of untangling necklaces or searching for a matching earring.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on October 1, 2023
I
Verified Purchase
I didn’t receive the item and I let Amazon know the item was not delivered. Apparently, they don’t care to follow up with my lost order. Hummm, I wonder how the owner of Amazon would solve this problem.
Bozeman, US
★★★★★ 5
Small but nice
Color: green
Cute small jewelry box—
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
C
Verified Purchase
Catherine Moore
Los Angeles, US
★★★★★ 5
Perfect travel mate!
Color: Black, Color: Black
I love this small travel jewelry case. It is a great size for a vacation anywhere. I like how everything has a place to keep you well organized. Great value for the money and good quality material. so easy to snap shut and put in your suitcase. Sleek and black color that is classy.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on December 12, 2025

recommand products