Skip to product information
1 of 4
  • Free Shipping

  • 30-Day Returns*

  • Authorized Dealer

  • Professional Services

MRCOOL

MRCOOL DIY 4th Gen 2-Zone 18,000 BTU 21 SEER (9K + 12K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V

MRCOOL DIY 4th Gen 2-Zone 18,000 BTU 21 SEER (9K + 12K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V

Regular price $4,221.11 USD
Regular price $5,107.88 USD Sale price $4,221.11 USD
Save $886.77 Sold out
Shipping calculated at checkout.

SKUDIYCASM218HPW01C00

Type18K

Line Set for 9K Ceiling Cassette
Line Set for 12K Ceiling Cassette

This item is in stock! Estimated Arrival: 4-8 Days After Order is Received, Depending Upon Your Location.

View full details

Have questions or need help selecting the perfect Mini Split system?

Talk with our expert HVAC team members now for assistance!!

PRODUCT DESCRIPTION

 

MRCOOL DIY Multi-Zone 4th Gen 18K BTU Dual Zone Ductless Mini Split with Ceiling Cassettes (9K + 12K)

The MRCOOL DIY 4th Gen Multi-Zone 18K BTU Dual Zone Mini Split System with ceiling cassettes is an innovative solution for heating and cooling two separate zones in your home, office, or commercial space. Featuring a 9K BTU and 12K BTU ceiling cassette air handler, this system offers customized comfort for spaces up to 375 sq. ft. and 500 sq. ft., respectively. With its sleek design, smart controls, and easy DIY installation, this energy-efficient system is the perfect choice for any modern HVAC setup.


What's Included

  1. MRCOOL DIY 4th Gen 18K BTU Multi-Zone Condenser (DIY-MULTI2-18HP230C):

    • High-performance heating and cooling with a 21 SEER efficiency rating.
    • Operates efficiently in extreme temperatures, heating as low as -13°F and cooling up to 122°F.
    • Durable Gold Fin® condenser coating resists corrosion for long-lasting performance.
  2. Two Ceiling Cassette Air Handlers:

    • 9K BTU Air Handler (DIYCASSETTE09HP-230C25): Ideal for smaller spaces up to 375 sq. ft..
    • 12K BTU Air Handler (DIYCASSETTE12HP-230C25): Perfect for larger areas up to 500 sq. ft..
    • Both air handlers feature a low-profile ceiling installation for discreet heating and cooling.
  3. Pre-Charged Quick Connect Line Sets:

    • Pre-filled with R-410A refrigerant for easy DIY installation.
    • Quick Connect fittings ensure a secure connection without the need for special tools or professional expertise.

System Features

1. DIY Installation Made Simple

This system is designed for ease of installation, eliminating the need for HVAC technicians. Pre-charged line sets and straightforward instructions make setup fast and accessible, saving you time and money.

2. Energy Efficiency and Performance

  • 21 SEER Efficiency: Lower energy costs without compromising performance.
  • Dual-Zone Comfort: Independently control heating and cooling in two zones for personalized comfort.

3. Ceiling Cassette Air Handlers

  • Discreet Design: Fits flush with your ceiling for a clean, modern look.
  • Elevation Function: Lowers the air filter panel for easy maintenance and cleaning.
  • Quiet Operation: Whisper-quiet performance ensures a peaceful environment.

4. Advanced Smart Technology

  • Smartphone App Control: Manage your system remotely via the MRCOOL Smart Controller app (iOS and Android compatible).
  • Voice Assistant Compatibility: Operate the system hands-free with Amazon Alexa or Google Home.
  • Digital Display: Troubleshooting codes and alerts keep you informed about your system's status.

5. Versatile Operating Modes

  • Cool, Heat, Dry, Fan Only, Sleep: Tailor the system to your comfort needs.
  • Auto Mode: Automatically adjusts to maintain your desired temperature.
  • Timer Function: Schedule the system to save energy and reduce utility bills.

Specifications

Condenser

  • Cooling Capacity: 18,000 BTU
  • Heating Capacity: 19,000 BTU
  • Efficiency Ratings: SEER: 21, EER: 12.5, HSPF: 10.6
  • Operating Temperatures: Heating: -13°F to 75.2°F | Cooling: 5°F to 122°F
  • Warranty: Includes a 7-year compressor warranty and a 5-year parts warranty, with an optional lifetime compressor warranty.
  • Dimensions: 35.04"W x 13.46"D x 26.50"H

Ceiling Cassettes

  • 9K BTU Air Handler: Covers up to 375 sq. ft..
  • 12K BTU Air Handler: Covers up to 500 sq. ft..
  • Dimensions (each): 50.31"W x 13.19"D x 8.98"H
  • Noise Level: Whisper-quiet operation for noise-sensitive environments.

Why Choose MRCOOL DIY Multi-Zone?

  1. Cost-Effective Installation: No HVAC technician required—save thousands on professional installation fees.
  2. Customizable Comfort: Independently control two zones to suit your preferences.
  3. Smart Connectivity: Enjoy convenience with remote app control, voice assistants, and easy-to-read digital displays.
  4. Durable and Reliable: Backed by industry-leading warranties for peace of mind.

Perfect Applications

  • Homes: Ideal for bedrooms, living rooms, or home offices.
  • Offices: Maintain efficient climate control in workspaces.
  • Retail Spaces: Create a comfortable environment for customers and employees.
  • Renovations: Flexible and efficient for retrofitting older spaces.

Order Now

The MRCOOL DIY Multi-Zone 4th Gen 18K BTU Dual Zone System is the ultimate blend of performance, convenience, and affordability. Perfect for modern homeowners, businesses, and DIY enthusiasts, this system delivers energy-efficient heating and cooling you can trust.

Order today from MRCOOL DIY Direct and start enjoying customized comfort in every room!