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    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V
    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V
    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V
    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V
    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V
    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V
    • MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V

    MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split AC and Heat Pump with Ceiling Cassettes - 230V

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    Sale Price $6,305.00 Regular Price $7,881.25
    Line Set for 12K Air Handler #1: 16 Ft
    Line Set for 12K Air Handler #2: 16 Ft
    Line Set for 18K Air Handler: 16 Ft

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    MRCOOL DIY Multi Zone 4th Gen 36K BTU Three Zone Ductless Mini Split with Ceiling Cassettes 12K + 12K + 18K - A Heating and AC System You Can Install By Yourself!

    MRCOOL DIY Series Ceiling Cassettes provide efficient heating and cooling while remaining out of sight and discreet, making them a perfect fit for any space. 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 12K and 18K BTU Ceiling Cassettes are protected by a limited lifetime warranty in addition to a 7-year compressor warranty and 5-year parts warranty.

    Heat or cool three rooms in style with the brand new 4th gen ceiling cassette air handlers on the MRCOOL DIY 4th Gen Multi-Zone 36,000 BTU 22 SEER 2 Zone Ductless Heat Pump Split System - 12K + 12K + 18K. This DIY Series multi-zone product features easy installation that requires no special tools or training. You'll save thousands of dollars on installation and you can get the amazing air comfort of your dreams due to the condenser’s 36,000 BTU capacity. The three indoor air handlers are two 12,000 btu and one 18,000 btu which use the condenser's power to heat and cool up to approximately 500 square feet and 750 square feet respectively. A heat pump by design, this ductless HVAC solution can run in reverse and pull in heat from the outdoors when in a heating mode. It comes with a 7 Year Compressor (Plus an optional lifetime compressor warranty) and a 5 Year Parts Manufacturer Warranty! 

    MRCOOL DIY 4th Gen Multizone 36,000 BTU systems can support up to four indoor units. Not enough? The DIY MULTI 48,000 BTU system can support up to FIVE indoor units.

    Feel free to mix ceiling cassette air handlers and wall mounted air handlers together in a system.

    The MRCOOL DIY 4th Gen 3-Zone 36,000 BTU 22 SEER (12K + 12K + 18K) Ductless Mini Split System with Ceiling Cassette units are super easy to install and require no special training or expensive specialty tools. The DIY system includes Quick Connect lines that are pre-charged with eco-friendly R-410A refrigerant. Due to the Quick Connect line set, you don’t have to hire an HVAC technician to complete the install. We also have simple video instructions on how to install a DIY Multi-Zone unit yourself!

    MRCOOL DIY Multi-Zone 36,000 BTU 22 SEER Three-Zone Ductless Heat Pump Split Air Conditioner System (12K + 12K + 18K) is designed to provide efficient, year-round comfort with its advanced heating, cooling, and dehumidifying capabilities. The system is equipped with three air handlers—two 12,000 BTU and one 18,000 BTU—ideal for managing temperatures in three distinct areas of your home.

    Each air handler features an easy-to-read digital display that shows the current temperature and troubleshooting alerts. Users can control the system effortlessly through the MRCOOL Smart Controller app, available for Apple and Android devices, or by using Amazon Alexa and Google Home for hands-free operation.

    Key features of this system include the ability to direct airflow within each room, ensuring uniform comfort. For those needing rapid cooling, there is an emergency operation mode to test or force cooling after installation or maintenance.

    The system also supports an auto mode that automatically adjusts heating or cooling to maintain your desired indoor temperature. Its sleep mode conserves energy during the night, making it cost-effective and energy-efficient, operating in an 8-hour window once activated.

    With a 22 SEER rating, this 36,000 BTU system is designed for high energy efficiency, helping you lower utility costs. It also includes a Gold Fin® Condenser for durability and protection against corrosion, ensuring long-term reliability in various weather conditions.

    Other features such as automatic troubleshooting alerts, filter cleaning reminders, and low ambient cooling ensure that the MRCOOL DIY system remains easy to maintain and reliable for years to come.


    Features:

    • Easy DIY® Installation with pre-charged DIY® Quick Connect Line Set
    • Energy Efficient DC Inverter technology
    • Multi-room comfort and directional airflow control
    • Smartphone App Controls and compatibility with Amazon Alexa and Google Home
    • Eco-Friendly R-410A Refrigerant
    • Lifetime Technical Support and Low Ambient Cooling for year-round performance

    With all these advanced features and options, the MRCOOL DIY Multi-Zone 36,000 BTU system offers customizable, cost-effective, and hassle-free climate control for your home, all while maintaining a sleek, modern design that blends seamlessly into any room.

    This system is a top choice for homeowners looking to save on installation costs without sacrificing comfort or efficiency. Buy from MRCOOL DIY Direct, the USA's most trusted authorized MRCOOL dealer, for unbeatable service and support.

    Product Specifications
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    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.

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