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MRCOOL DIY Mini Split - 36K BTU 3-Ton 2-Zone (9K + 24K) Ductless AC and Heat Pump

Effortless self-installation, flexible setup, and cost efficient — Cool your space exactly how you want it!

  • Do-It-Yourself Heating & Cooling
  • Whisper-Quiet Operation
  • High-Efficiency System
  • Best Warranty in the Business
Mounting Option
Ceiling Cassettes
Regular price: $$0

No more long waits or unresponsive care!

Enjoy 24/7 support, personal follow-ups, and direct access to MrCool tech support for quick help with any system issues. Valid only for purchases made through our website.

  • Product Description
  • Specifications
  • Reviews
  • Sizing Guide
  • Warranty & Manuals
  • Shipping Policy
  • FAQ

Performance Details

  • Heating: Operates at 100% capacity down to -5°F and functional up to -13°F.
  • Cooling: Provides 100% capacity up to 122°F.
  • Dry Mode: Suitable for temperatures between 32°F and 122°F. Note: Potential water droplets may form in high humidity.


Key Features

  • Pre-Charged DIY® Line Set: Allows easy installation for up to five zones without needing an HVAC professional.
  • Eco-Safe R-410A Refrigerant: Features kink-resistant and leak-proof technology in various lengths.
  • MRCOOL® DIY® Series: Offers high EER/SEER ratings across 2-5 zone models.
  • Gold Fin® Condenser: Ensures durability and high performance.
  • SMART HVAC CONTROLLER®: Compatible with smart home systems for voice command integration.
  • Follow Me® Technology: Adjusts settings based on user location.
  • Low Ambient Cooling: Reliable cooling performance regardless of external temperatures.
  • Smartphone App: Includes features like a DC inverter and leakage detection.
  • Quiet Mode: Reduces noise significantly, ideal for nighttime use while maintaining comfort.


Introduction to MRCOOL 4th Gen DIY Mini Splits

Discover the latest in HVAC technology with [product_title, designed to enhance your home with advanced cooling solutions and smart integration. Enjoy energy efficiency, cost-effective operation, and a DIY-friendly installation that reflects MRCOOL's innovative approach to climate control.

Year-Round Comfort

The MRCOOL 4th Gen DIY Mini Splits are engineered to deliver exceptional performance throughout all seasons. Whether braving the peak of summer heat or the chill of winter, these systems maintain a steady, comfortable indoor temperature. The advanced heat pump technology efficiently heats during cold months and cools during hot weather, ensuring continuous comfort without interruption.

Energy Efficiency

Recognized for their superior energy efficiency, the MRCOOL 4th Gen DIY Mini Splits boast impressive SEER ratings, such as the 22 SEER for the 12k model. This high level of efficiency translates into reduced energy consumption and lower utility bills. These systems are also Energy Star Certified, affirming their role in environmental stewardship while providing cost-effective operation over time.

Smart Home Integration

MRCOOL's 4th Gen DIY Mini Splits seamlessly integrate with popular smart home systems like Amazon Alexa and Google Home. This integration allows for voice-activated control and smart device management of your home's temperature, offering convenience and a modern approach to climate management. Adjust settings, schedule changes, or monitor your system remotely—all with simple voice commands or you can use the MRCOOL app to conveniently control your mini split system from your smartphone.

DIY Installation

The DIY-friendly design of the MRCOOL 4th Gen DIY Mini Splits simplifies the installation process, making it accessible for individuals without extensive technical skills. The system includes a pre-charged DIY line set, which eliminates the need for professional HVAC installation. This self-installation feature is not only a cost-saving measure but also empowers homeowners or others to take control of their home improvement projects.

Final Thoughts on MRCOOL DIY Mini Split - 36K BTU 3-Ton 2-Zone (9K + 24K) Ductless AC and Heat Pump

Embrace the advanced features and user-friendly design of MRCOOL's 4th Gen DIY Mini Splits as you seek to enhance your home's or business's climate control systems. With their high-performance cooling, impressive energy savings, and integration with smart home technology, these systems offer a reliable, innovative solution for maintaining the perfect indoor environment. Ideal for a variety of users including:

  • Tech-Savvy Homeowners
  • DIY Enthusiasts
  • Small Business Owners
  • Indoor Weed Farmers
  • Property Managers
  • Eco-Conscious Consumers


Frequently Asked Questions (FAQ)

Installation

Is the MRCOOL 4th Gen Mini Split easy to install for DIY projects?
Yes, the MRCOOL 4th Gen DIY Mini Split is designed specifically for DIY installation. It comes with a pre-charged refrigerant and various components that make the installation straightforward for individuals without specialized HVAC training.

What tools are required to install the MRCOOL DIY mini split?
The basic tools required for installing the MRCOOL DIY mini split include:

  • A drill
  • Adjustable wrenches
  • A torque wrench (to ensure connections are properly tightened)
  • A level (for proper mounting of indoor and outdoor units)
  • An electrician is needed to handle the electrical connection between the condenser and your indoor control panel.

Does local building code require permits for installing a DIY mini split system?
This depends on local regulations. Many areas require a permit for any permanent changes to the building’s electrical and HVAC systems. It’s advisable to check with local building authorities to ensure compliance with codes and regulations before installation.

General Features

What are the pros and cons of a DIY mini split system compared to hiring a professional installer?
Pros:

  • Cost Savings: Avoiding professional installation fees can significantly reduce overall costs.
  • Flexibility: You can install the system on your own timeline and customize the installation as needed.
Cons:
  • Risk of Errors: Incorrect installation can lead to inefficiencies, malfunctions, or damage to the system.
  • Warranty Note: MRCOOL may limit warranty coverage if the installation doesn't adhere to the guidelines outlined in the manual or if unauthorized custom modifications are made to the system.


Maintenance and Troubleshooting

How much ongoing maintenance is required for the MRCOOL DIY mini split?
Regular maintenance includes:

  • Cleaning or replacing air filters every few months
  • Checking and cleaning the condensate drain line to prevent clogging
  • Inspecting and cleaning the outdoor unit’s coils and fan
  • Utilizing the DIY cleaning kit every 6 months to ensure a lifetime warranty.


What troubleshooting steps can I take if my MRCOOL DIY mini split isn't working properly?
Basic troubleshooting steps include:

  • Checking the power supply and ensuring the unit is turned on
  • Inspecting the remote control for proper function and replacing batteries if necessary
  • Cleaning or replacing air filters if the airflow is reduced or if ice forms on the indoor coil
  • Resetting the system by turning it off at the circuit breaker for a minute before turning back on
  • Checking error codes displayed by the unit, which can guide you to specific issues
  • If you purchased through Frosthubusa.com, please call us for assistance. We can only help customers with an order number from our store.

For any complex issues or errors indicated by the system that cannot be resolved through basic troubleshooting, it might be necessary to consult a professional or contact MRCOOL support for assistance.


  • Performance Details

    • Heating: Operates at 100% capacity down to -5°F and functional up to -13°F.
    • Cooling: Provides 100% capacity up to 122°F.
    • Dry Mode: Suitable for temperatures between 32°F and 122°F. Note: Potential water droplets may form in high humidity.


    Key Features

    • Pre-Charged DIY® Line Set: Allows easy installation for up to five zones without needing an HVAC professional.
    • Eco-Safe R-410A Refrigerant: Features kink-resistant and leak-proof technology in various lengths.
    • MRCOOL® DIY® Series: Offers high EER/SEER ratings across 2-5 zone models.
    • Gold Fin® Condenser: Ensures durability and high performance.
    • SMART HVAC CONTROLLER®: Compatible with smart home systems for voice command integration.
    • Follow Me® Technology: Adjusts settings based on user location.
    • Low Ambient Cooling: Reliable cooling performance regardless of external temperatures.
    • Smartphone App: Includes features like a DC inverter and leakage detection.
    • Quiet Mode: Reduces noise significantly, ideal for nighttime use while maintaining comfort.


    Introduction to MRCOOL 4th Gen DIY Mini Splits

    Discover the latest in HVAC technology with [product_title, designed to enhance your home with advanced cooling solutions and smart integration. Enjoy energy efficiency, cost-effective operation, and a DIY-friendly installation that reflects MRCOOL's innovative approach to climate control.

    Year-Round Comfort

    The MRCOOL 4th Gen DIY Mini Splits are engineered to deliver exceptional performance throughout all seasons. Whether braving the peak of summer heat or the chill of winter, these systems maintain a steady, comfortable indoor temperature. The advanced heat pump technology efficiently heats during cold months and cools during hot weather, ensuring continuous comfort without interruption.

    Energy Efficiency

    Recognized for their superior energy efficiency, the MRCOOL 4th Gen DIY Mini Splits boast impressive SEER ratings, such as the 22 SEER for the 12k model. This high level of efficiency translates into reduced energy consumption and lower utility bills. These systems are also Energy Star Certified, affirming their role in environmental stewardship while providing cost-effective operation over time.

    Smart Home Integration

    MRCOOL's 4th Gen DIY Mini Splits seamlessly integrate with popular smart home systems like Amazon Alexa and Google Home. This integration allows for voice-activated control and smart device management of your home's temperature, offering convenience and a modern approach to climate management. Adjust settings, schedule changes, or monitor your system remotely—all with simple voice commands or you can use the MRCOOL app to conveniently control your mini split system from your smartphone.

    DIY Installation

    The DIY-friendly design of the MRCOOL 4th Gen DIY Mini Splits simplifies the installation process, making it accessible for individuals without extensive technical skills. The system includes a pre-charged DIY line set, which eliminates the need for professional HVAC installation. This self-installation feature is not only a cost-saving measure but also empowers homeowners or others to take control of their home improvement projects.

    Final Thoughts on MRCOOL DIY Mini Split - 36K BTU 3-Ton 2-Zone (9K + 24K) Ductless AC and Heat Pump

    Embrace the advanced features and user-friendly design of MRCOOL's 4th Gen DIY Mini Splits as you seek to enhance your home's or business's climate control systems. With their high-performance cooling, impressive energy savings, and integration with smart home technology, these systems offer a reliable, innovative solution for maintaining the perfect indoor environment. Ideal for a variety of users including:

    • Tech-Savvy Homeowners
    • DIY Enthusiasts
    • Small Business Owners
    • Indoor Weed Farmers
    • Property Managers
    • Eco-Conscious Consumers


    Frequently Asked Questions (FAQ)

    Installation

    Is the MRCOOL 4th Gen Mini Split easy to install for DIY projects?
    Yes, the MRCOOL 4th Gen DIY Mini Split is designed specifically for DIY installation. It comes with a pre-charged refrigerant and various components that make the installation straightforward for individuals without specialized HVAC training.

    What tools are required to install the MRCOOL DIY mini split?
    The basic tools required for installing the MRCOOL DIY mini split include:

    • A drill
    • Adjustable wrenches
    • A torque wrench (to ensure connections are properly tightened)
    • A level (for proper mounting of indoor and outdoor units)
    • An electrician is needed to handle the electrical connection between the condenser and your indoor control panel.

    Does local building code require permits for installing a DIY mini split system?
    This depends on local regulations. Many areas require a permit for any permanent changes to the building’s electrical and HVAC systems. It’s advisable to check with local building authorities to ensure compliance with codes and regulations before installation.

    General Features

    What are the pros and cons of a DIY mini split system compared to hiring a professional installer?
    Pros:

    • Cost Savings: Avoiding professional installation fees can significantly reduce overall costs.
    • Flexibility: You can install the system on your own timeline and customize the installation as needed.
    Cons:
    • Risk of Errors: Incorrect installation can lead to inefficiencies, malfunctions, or damage to the system.
    • Warranty Note: MRCOOL may limit warranty coverage if the installation doesn't adhere to the guidelines outlined in the manual or if unauthorized custom modifications are made to the system.


    Maintenance and Troubleshooting

    How much ongoing maintenance is required for the MRCOOL DIY mini split?
    Regular maintenance includes:

    • Cleaning or replacing air filters every few months
    • Checking and cleaning the condensate drain line to prevent clogging
    • Inspecting and cleaning the outdoor unit’s coils and fan
    • Utilizing the DIY cleaning kit every 6 months to ensure a lifetime warranty.


    What troubleshooting steps can I take if my MRCOOL DIY mini split isn't working properly?
    Basic troubleshooting steps include:

    • Checking the power supply and ensuring the unit is turned on
    • Inspecting the remote control for proper function and replacing batteries if necessary
    • Cleaning or replacing air filters if the airflow is reduced or if ice forms on the indoor coil
    • Resetting the system by turning it off at the circuit breaker for a minute before turning back on
    • Checking error codes displayed by the unit, which can guide you to specific issues
    • If you purchased through Frosthubusa.com, please call us for assistance. We can only help customers with an order number from our store.

    For any complex issues or errors indicated by the system that cannot be resolved through basic troubleshooting, it might be necessary to consult a professional or contact MRCOOL support for assistance.


  • Product Specifications
  • Shipping & Delivery - Explore FrosthubUSA' Shipping Methods and Timeframes

    Processing time

    Order verification takes 1-3 business days. After verification, all orders are sent to the warehouse for dispatch. Additional business days are required for the order to be dispatched and sent for delivery.

    Accessories

    ~ 1-3 business days

    Partial System

    ~ 1-3 business days

    Complete System

    ~ 5 business days (up to 10 business days during peak)

    Express Shipping

    Contact us for a shipping quote; no express shipping for freight orders.

    Canada orders incur customs duties and a 15% tax.

    Shipping time

    Delivery time refers to the time it takes for items to be shipped from our warehouse in Kentucky to the destination. Shipping transit times are not guaranteed and may vary depending on your delivery address. For example, if you live on the west coast, it will take longer to arrive than if you live on the east coast because we ship from Kentucky. Additionally, if you live in a remote area, it may take longer for your items to arrive.

    Country

    United States (US)

    Canada & Hawaii (Shipping at your expense)

    Accessories

    ~ 2-4 business days

    ~ 4-7 business days

    Partial System

    ~3-5 business days

    ~ 5-8 business days

    Complete System

    ~ 4-10 business days

    ~ 10-14 business days

    Note: Tracking information is typically available within 1-3 days after shipping. If the tracking number is not functional at the time you check, please wait 24 hours before contacting us as updates may take time.

    Important!

    Freight shipments may face delivery restrictions

    in residential areas due to factors such as narrow roads or restrictions on delivering to apartment buildings above the ground floor, where deliveries are only made to the front of the building and not up the stairs to the door.

    In the event of a missed delivery, any issues or extra costs incurred will be the responsibility of the customer. To avoid any problems or returns, it is important for the customer to arrange delivery and be prepared to pick up the shipment at the shipping facility if a failed delivery attempt occurs.

    Shipping & Delivery Policy

    FrosthubUSA (Interactive Group LLC)

    Customers are responsible for providing complete and accurate shipping addresses to FrosthubUSA. FrosthubUSA is not able to make changes to your shipping address once a package leaves our warehouse, and FrosthubUSA is not liable for packages that are lost due to incomplete or inaccurate addresses.

    All orders reported as "Delivered" by freight companies are considered delivered.  cannot be made liable for non-delivery in this case.

    If a delivery fails for any reason and the address the order was sent to, was the correct address as provided by the customer, FrosthubUSA cannot be held liable if a package is returned to our warehouse.

    The order placed by the customer on our website is the order FrosthubUSA will ship to the customer. We cannot be held liable for the customer receiving the wrong item if they placed the wrong order.

    Equipment Arrival

    Shipping transit times are not guaranteed and may vary depending on your delivery address. Once your order arrives, make sure to inspect each and every item on the pallet. Count the number of items (boxes) on the shipment. Make sure that your count matches the count printed on the delivery receipt before signing for your delivery.

    Missing items or incorrect items that were noted on the delivery receipt must be reported within 24 hours of receiving your order by contacting our customer service department. We reserve the right to reject any claim for missing items if not reported within the twenty-four-hour period.

    After taking count of the pieces on your shipment, remove wrapping or boxes and inspect each item of equipment thoroughly in the front of the driver. Do not sign the delivery receipt until you have thoroughly inspected each item. Check all of the equipment to make sure it is not dented or badly scratched. Make sure to mark the delivery receipt clear, short, wrap broken, or damaged after inspecting your shipment thoroughly.

    Making Notes on the Delivery Receipt

    If the number of items noted on the delivery receipt matches what you have received and none of the items have been damaged. Accept your delivery, sign, and Mark the Receipt Clear.

    Note: The customer is responsible to check and assure that the products being received are clear of damages and/or shortages.

    If the items or boxes on the shipment do not match the number listed on the delivery receipt. Mark the Receipt Short (a packing slip will be attached to the freight shipment for your reference) Make sure to note on the delivery receipt which items are missing. We will work with the carrier to track the missing items, please allow up to 7 business days for the freight carrier to locate your items. Please allow the appropriate time for the Freight Carrier to locate the missing items notated short on the delivery receipt. If the freight carrier is not able to locate the missing items, we will ship those items via standard ground shipping to you at no charge if the receipt was noted short and the items that are missing are noted on the delivery receipt.

    If the shrink wrap is torn or has been replaced during transit; Mark the Receipt Wrap Broken.

  • Frequently Asked Questions

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    Faq Answer 04

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4.8 - based on 24 opinions

Dean R. Sun

Verified buyer

This is the best company ever! Their customer service is too notch! The product is amazing!!!! This is the best

Dean R. Sun

Verified buyer

This is the best company ever! Their customer service is too notch! The product is amazing!!!! This is the best

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