Skip to Product Info
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length
    • MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length

    MRCOOL DIY Mini Split - 21,000 BTU 2 Zone Ceiling Cassette Ductless Air Conditioner and Heat Pump with Install Kit Select LIne Set Length

    20% Off
    Sale Price $4,304.00 Regular Price $5,380.00
    Size: 16' Feet Line Set Length

    Out of Stock

    Payment & Security

    Your payment is secure. We don’t store or see your card details.

    • American Express
    • Apple Pay
    • Diners Club
    • Discover
    • Google Pay
    • Mastercard
    • PayPal
    • Shop Pay
    • Visa
    Pairs well with

    MRCOOL DIY 4th Gen 18K BTU Dual Zone Ceiling Cassette Mini Split System (9K + 12K)

    The MRCOOL DIY 4th Gen Dual Zone Mini Split System is a cutting-edge HVAC solution that combines energy efficiency, sleek design, and DIY-friendly installation. This system includes everything you need to heat and cool two separate spaces with ease. Featuring both a 9K BTU ceiling cassette and a 12K BTU ceiling cassette, this system provides tailored comfort for areas up to 375 sq. ft. and 500 sq. ft., respectively. The 21 SEER efficiency rating ensures cost-effective operation while delivering powerful heating and cooling performance.


    What’s Included

    1. MRCOOL DIY 18K BTU 2-Zone Condenser:

      • High-performance heating and cooling with up to a 21 SEER efficiency rating.
      • Operates reliably in extreme temperatures, heating as low as -13°F and cooling up to 122°F.
      • Backed by a 7-year compressor replacement warranty and a 5-year parts warranty for peace of mind.
    2. Ceiling Cassette Air Handlers:

      • 9K BTU Air Handler:
        • Covers up to 375 sq. ft..
        • Features multiple operating modes: Cool, Heat, Auto, Dry, and Sleep.
      • 12K BTU Air Handler:
        • Covers up to 500 sq. ft..
        • Includes versatile modes for personalized comfort.
      • Both air handlers offer low-profile installation and a discreet design.
    3. Pre-Charged Line Sets (16, 25, 35, or 50 ft.):

      • Pre-filled with R-410A refrigerant for a DIY-friendly installation.
      • Quick Connect fittings make setup fast, easy, and secure.

    System Highlights

    1. Energy Efficiency

    • 21 SEER Efficiency Rating: Optimized for energy savings without sacrificing performance.
    • Eco-Friendly Refrigerant: Uses R-410A, a non-ozone-depleting refrigerant, for sustainable operation.

    2. DIY Installation

    • No HVAC Technician Required: Pre-charged line sets and easy instructions make setup straightforward for homeowners.
    • Cost-Effective: Save thousands on installation while enjoying professional-grade performance.

    3. Advanced Ceiling Cassette Design

    • Sleek and Discreet: The ceiling-mounted air handlers blend seamlessly into any room, conserving wall space and enhancing aesthetics.
    • Easy Maintenance: With the Elevation Function, the filter panel lowers for quick and effortless cleaning.
    • Quiet Operation: Enjoy whisper-quiet performance, ideal for bedrooms, living rooms, or offices.

    4. Reliable Year-Round Comfort

    • Extreme Temperature Operation: Capable of heating in temperatures as low as -13°F, ensuring dependable performance in harsh climates.
    • Wide Coverage: Heat and cool two separate rooms with tailored comfort for each space.

    Specifications

    Condenser

    • Cooling Capacity: 18,000 BTU
    • Heating Capacity: 18,000 BTU
    • Efficiency Ratings: SEER: 21, EER: 12.5
    • Operating Temperatures: Heating: -13°F to 75.2°F | Cooling: 5°F to 122°F
    • Warranty: 7-year compressor replacement, 5-year parts
    • Dimensions: 35.04"W x 13.46"D x 26.50"H

    Ceiling Cassette Air Handlers

    • 9K BTU Air Handler:
      • Coverage: Up to 375 sq. ft.
      • Modes: Cool, Heat, Auto, Dry, Sleep
      • Dimensions: 50.31"W x 13.19"D x 8.98"H
    • 12K BTU Air Handler:
      • Coverage: Up to 500 sq. ft.
      • Modes: Cool, Heat, Auto, Dry, Sleep
      • Dimensions: 50.31"W x 13.19"D x 8.98"H

    Pre-Charged Line Sets

    • Lengths Available: 16, 25, 35, or 50 feet
    • Pre-Charged Refrigerant: R-410A
    • DIY Installation: Quick Connect fittings for secure, leak-proof connections

    Benefits of the MRCOOL DIY Ceiling Cassette System

    1. Customizable Comfort: Heat or cool two rooms independently with dual air handlers.
    2. Sleek, Low-Profile Design: Ceiling cassettes provide a clean, unobtrusive solution for heating and cooling.
    3. Easy DIY Installation: Save time and money with pre-charged line sets and simple setup.
    4. Energy Efficiency: Lower your utility bills with an industry-leading SEER rating.
    5. Durable and Reliable: Operates in extreme temperatures with robust warranties for long-term peace of mind.

    Perfect Applications

    • Homes: Ideal for bedrooms, living rooms, home offices, or bonus rooms.
    • Offices: Maintain efficient climate control in workspaces.
    • Renovations: Flexible and efficient for retrofitting older spaces without ductwork.

    Order Now

    The MRCOOL DIY 4th Gen 18K BTU Dual Zone Ceiling Cassette Mini Split System offers a unique blend of energy efficiency, modern design, and unparalleled convenience. Perfect for homeowners and DIY enthusiasts, this system is your solution for reliable heating and cooling in two separate spaces.

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

    Product Specifications
    Oops, no results found~
    Service & Support

    Manufacturer Warranty

    This product is covered by the manufacturer’s warranty against defects in materials and workmanship when installed and used according to the manufacturer’s guidelines. Warranty terms and coverage periods vary by manufacturer and product type. Please refer to the official product documentation or contact our team if you need help verifying warranty details.

    Technical Support

    Freedom HVAC Supply is staffed by people who actually understand HVAC systems. If you need help confirming compatibility, selecting the correct replacement part, or understanding installation requirements, our team is available to assist before and after your purchase.

    Product Documentation

    Installation manuals, specification sheets, wiring diagrams, and other technical documentation are available whenever possible. These resources help ensure proper installation, system compatibility, and safe operation of your equipment.

    Parts Compatibility & Cross-Reference

    Many HVAC parts replace or supersede older manufacturer part numbers. We provide replacement part numbers and compatible model information on product pages to help technicians and homeowners verify the correct component before ordering.

    Replacement Parts & Accessories

    Freedom HVAC Supply carries genuine replacement components and compatible accessories to keep HVAC systems running reliably. From control boards and motors to sensors, line sets, and installation accessories, we supply the parts professionals depend on.

    Customer Support

    If you have questions about product compatibility, warranty coverage, or installation considerations, our support team is ready to help. Our goal is to make sure you get the right part the first time so your system can get back up and running quickly.

    FAQs About Our HVAC Products

    Quick answers to questions about ordering, compatibility, and installation.

    Ordering & Compatibility

    1. Do you sell HVAC equipment to homeowners and DIY installers?

    Yes. Freedom HVAC Supply sells HVAC equipment and parts to contractors, property owners, and qualified DIY installers. Some products may require professional installation based on local codes.

    2. How do I know if this HVAC product is compatible with my system?

    Product pages include specifications and compatibility details. If you’re unsure, our team can help verify fit before you order.

    3. Can HVAC contractors purchase from Freedom HVAC Supply?

    Absolutely. We work with licensed HVAC contractors, installers, and professionals nationwide.

    Installation & Support

    1. Do HVAC systems require professional installation?

    Some HVAC equipment must be installed by a licensed professional to meet code requirements or warranty terms. Always review manufacturer guidelines.

    2. Can you help me choose the right HVAC system or part?

    Yes. Our support team can assist with product selection based on your application, space, and installation needs.

    3. Do you provide installation manuals or documentation?

    Manufacturer installation guides and documentation are included or available upon request for most products.

    Warranty & Shipping

    1. Do HVAC products include a manufacturer warranty?

    Most HVAC equipment includes a manufacturer warranty when installed according to guidelines. Warranty terms vary by brand and product.

    2. Do you ship HVAC equipment nationwide?

    Yes. We ship HVAC systems and parts throughout the continental United States using trusted freight and parcel carriers.

    3. What should I know about freight delivery for HVAC equipment?

    Larger HVAC equipment ships via freight and should be inspected upon delivery. Delivery details are provided during checkout.

    Need HVAC Help?

    Get help with ordering, compatibility, or installation questions.

    Recently viewed

    Last seen items