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Internet # 324063000

Model # DIYM218HPC01C13

Store SKU # 1009108631

DIY 18,000 BTU 1.5-Ton 2-Zone 21 SEER Ductless Mini-Split AC and Heat Pump with Cassettes 9K+12K & 35,35ft Lines

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  • High-efficiency ductless mini Split system: 21 SEER
  • Easy DIY mini split installation with pre charged R410A lines
  • Air handlers/lines: 9K,12K/35,35 ft.
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Product Details

About This Product

This MRCOOL DIY 18,000 BTU 1.5 Ton 2 Zone Ductless Mini Split Air Conditioner and Heat Pump with Cassettes bundle includes: 18K BTU Condenser, one 9K BTU Ceiling Cassette, one 12K BTU Ceiling Cassette, 35/35ft. Quick Connect lines (1/4 X 1/2), 2 Remotes, and 2 Smart HVAC Wi Fi kits. The 9K BTU Ceiling Cassette is capable of heating and cooling up to 300 Sq Ft. The 12K BTU Ceiling Cassette is capable of heating and cooling up to 500 Sq Ft. MRCOOL offers an easy DIY ductless mini split installation with their patented DIY pre charged quick connect line sets that makes connecting refrigerant piping as simple as turning a few wrenches. The innovative Gold Fin anti corrosion technology makes this a great choice for those in coastal regions where corrosion is more likely. With a low profile installation and quiet operation, the mini split ceiling cassette is the most versatile ceiling mount air handler. Whether it be new construction, retrofit, or anything between they are designed to be recessed between all types of joist on 16 in center. A unique feature is the Elevating Filter function which allows the filter panel to raise or lower automatically with the touch of a button, so maintenance is easy. It can be operated with the included remote, Alexa, or Google Assistant. This system is backed by a 7 year compressor warranty and 5 year parts warranty.


  • Energy Star Certified efficiency: 21.2 SEER2, 9.6 HSPF2
  • Designed to efficiently provide ductless heating and cooling up to a combined 750 Sq Ft
  • Easy DIY installation: pre-charged R 410A quick connect line doesn't require special tools, equipment, or training
  • SmartHVAC app: wifi control compatible with Alexa and Google assistant you can control your DIY anywhere with your apple or android smart device and an Internet connection
  • Low ambient cooling: cooling down to 5F this feature makes the MRCOOL DIY the ideal system for computer server rooms, greenhouses, and any other application that requires cooling all year
  • Offers 7 Year Compressor warranty and 5 Year Parts warranty
  • The sum of the length of all line-sets for this system shall not exceed 123 ft. The maximum length for each air handler is 75ft.
  • Please note: 9K, 12K air handlers require 1/4 x 1/2 line-sets.
  • Click here for more information on Electronic Recycling Programs
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Product Information

Internet # 324063000

Model # DIYM218HPC01C13

Store SKU # 1009108631



Air handler depth (in.)


Air handler height (in.)


Air handler width (in.)


Condenser depth (in.)


Condenser height (in.)


Condenser width (in.)



Air direction/circulation


Air handler weight (lb.)


Amperage (A)

25 A

BTU Cooling Rating

18000 BTU

BTU Heat Rating

18000 BTU

Color Family




Condenser weight (lb.)


Coverage Area (sq. ft.)


Decibel (Sound) Rating

59 dBA

Decibel Rating

59 dBA

Filter Type



Remote Control, Self-diagnostic tools

Line Set Length (Ft.)

35 ft x 35 ft

Mini Split Features

Auto cool, Fan only option, Mobile App, Multi-zone compatible, Wifi

Minimum Outdoor Temperature (F)


Mount Location

Ceiling Mount

Number of cool settings


Number of Fan Speeds


Number of Tons

1.5 ton

Pack Size


Power Options


Remote Access

Remote Access



Voltage (v)


Wattage (watts)

Not Measured

Works With

Alexa, Google Assistant

Zone Capacity

2 Zone

Warranty / Certifications

Certifications and Listings

AHRI Certified

Manufacturer Warranty

5 year part; 7 year compressor

Seasonal Energy Efficiency Ratio (SEER)


Questions & Answers

Q:Hi, what is the noise level? DB?
by|May 21, 2024
1 Answer
Answer This Question

A:  The DIY-MULTI2-18HP230C condenser has a dB rating of 59. The DIYCASSETTE09HP-230C25 has a dB rating low of 24.5 and high of 42. The DIYCASSETTE12HP-230C25 has a dB rating low of 26 and high of 43.

by|May 22, 2024
    Q:Does the cassette installation require a 2x6 cieling joist or is a 2x4 joist enough?
    by|Mar 18, 2024
    2 Answers
    Answer This Question

    A:  The 2 X 4 joist will work for the cassette installation.

    by|Mar 19, 2024

      A:  Below is a link to the installation instructions. https://images.thdstatic.com/catalog/pdfImages/8a/8a9946b4-ef88-4ad9-9a8f-4038e2d8ba38.pdf Mike

      by|Mar 19, 2024
      Q:Can linesets be ordered with 2 zone units in different sizes like 1-20' and 1- 30' linesets instead of what's offered
      by|Dec 27, 2023
      1 Answer
      Answer This Question

      A:  Our DIY line sets are offered in 16', 25', 35', and 50'. You can also purchase bundles with extensions for longer runs if needed. With the multi zone systems, line set lengths can be chosen. For assistance in finding the bundle you are needing, please email us directly at support@mrcool.com.

      by|Feb 22, 2024
        1 found this answer helpful
        Q:Does the ceiling cassette unit have a condensation pump built in with a built in trap,or is this gravity condensation with no pump?
        by|Dec 27, 2023
        1 Answer
        Answer This Question

        A:  The DIY Ceiling Cassette has a built in condensate pump.

        by|Feb 22, 2024
          1 found this answer helpful
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