MRCOOL 18K-Btu DIY Cassette Heat Pump Mini Split (-13F) E-Star 21.4 SEER2/12.5 EER/11.5 HSPF (R454B)

Product Code: DIY-18-HP-C-230D25-O/DIYCASSETTE18HP-230D25-O
Rating: Be the first to write a review
Brand: Mr Cool
Product Condition: New
Units in Stock: 10
*This MR COOL 5th Gen DIY Slim Ceiling Cassette Mini Split Includes:

*(1) DIY Single Zone Outdoor Unit
*(1) DIY Slim-Cassette Indoor Unit
(w/Remote, Wifi, & Condensate Pump)
 *(1) 25' Install Kit with DIY Pro® Cable
(Copper & Wires)
AHRI Certificate
∼7yr Compressor∼ 5yr Parts Warranty∼
Online Registration REQUIRED: CLICK HERE
MR COOL TECH SUPPORT: 270-366-0457

KEY FEATURES

  • Easy DIY installation 
  • Gold Fin Condenser
  • R-454B refrigerant
  • Low Ambient Cooling (-13°F)
  • Quiet Operation
  • DC Inverter
  • MRCOOL DIY®'s Follow Me® function tracks temperature around remote.
  • Auto Restart
  • Temperature Compensation uses outdoor temperature to automatically adjust the indoor temperature for optimal comfort and energy efficiency

  • Low Profile Installation
  • Fits between 16" Ceiling Joists
  • Two-Stage DC motor
  • Refrigerant Leakage Detection
  • Quiet Operation
  • Multiple Operating Modes: Auto, Cool, Sleep, Heat, Clean.
  • Advanced Filtration
  • Swing Technology Auto Adjustment of Louver.
  • Auto Restart
  • Louver Position Memory
    The MrCool® DIY® Series 18k BTU Ceiling Cassette provides efficient heating and cooling while remaining out of sight and discreet, making it a perfect fit for any space. This easy to install and easy to maintain unit can provide coverage for large and small spaces. The cassette features an easy, low profile installation and can be recessed between all types of joists on 16 inch center including pre-manufactured I-joists. This makes it a perfect option for both new construction or retrofits. It doesn’t have strict installation requirements like other ceiling cassettes, so you’re able to install it in the location that suits you best, without using ductwork or wall space. The cassette works with the MrCool® DIY® Quick Connect® line set and the No-Vac® Coupler to increase the length of the line set. Not only does the unit offer quiet operation and multiple operating modes, but it also features the Elevation function that lowers the filter panel for easy air filter maintenance. Purchases of the MrCool® DIY® Series 18k BTU Ceiling Cassette are protected by a limited lifetime warranty in addition to a 7-year compressor warranty and 5-year parts warranty.
    ⇓ SEE ACCESSORIES BELOW ⇓



    Bulk Buying Options
    • 2 up to 4 - $3,224.00 ex. tax -
    • 5 up to 10 - $3,124.00 ex. tax -
    $3,424.00
    $3,324.00 inc. tax
    $3,324.00 ex. tax
    ? Tax based on United States.
    Customer Reviews
    (write review)
    Once it s in, it s basically a ghost. 4 product stars
    "This unit is engineered to slip between 16-inch floor or ceiling joists. When I lifted it up, it felt like a game of Tetris. It fit, but only because my house is framed straight. It s the most intimidating DIY project I ve ever done, but the moment that first blast of cold air hit the room without a giant white box ruining my wallpaper it was worth every second of stress." Roy D. Keck - Thursday, January 22, 2026
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