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MRCOOL

MRCOOL DIY 4th Gen 18K BTU 2-Zone Mini Split with 9K + 9K Air Handlers, Pre-Charged Line Sets, and Smart Control

MRCOOL DIY 4th Gen 18K BTU 2-Zone Mini Split with 9K + 9K Air Handlers, Pre-Charged Line Sets, and Smart Control

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SKU:DIYM218HPW00C00

Regular price $2,666.00
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The MRCOOL DIY 4th Gen Multi-Zone Mini Split Bundle is the perfect do-it-yourself heating and cooling solution for up to two rooms. Featuring an 18K BTU condenser and two 9K BTU wall-mounted air handlers, this system delivers energy-efficient comfort with a SEER rating of up to 21. Designed for easy installation, the system includes pre-charged line sets with quick-connect fittings, allowing you to set up your system without the need for professional HVAC assistance.

With WiFi-enabled SmartHVAC technology, you can control your climate from anywhere using the SmartHVAC app or via Amazon Alexa and Google Assistant. The Gold Fin® Condenser ensures durability and corrosion resistance, making this system ideal for a variety of climates, including coastal environments.

Whether you're looking to upgrade your home comfort or need a reliable, efficient solution for multi-zone cooling and heating, the MRCOOL DIY 4th Gen Mini Split Bundle provides the perfect balance of performance, convenience, and energy efficiency.

Key Features

MRCOOL 4th Gen Multi-Zone 18K BTU Condenser

  • Cools & Heats Up to Two Rooms – Supports two indoor air handlers
  • High Energy Efficiency – Up to 21 SEER
  • Weather-Resistant Gold Fin® Condenser – Built for long-term durability
  • DIY Installation – Includes pre-charged line sets for quick setup
  • Smart Control – Compatible with SmartHVAC App, Alexa, and Google Assistant
  • Eco-Friendly Refrigerant – Uses R-410A for a lower environmental impact
  • Warranty Protection – 7-Year Compressor / 5-Year Parts Warranty

MRCOOL 4th Gen 9K BTU Wall-Mounted Air Handlers (x2)

  • Multiple Modes – Cool, Heat, Auto, Dry (Dehumidify), and Sleep Mode
  • Remote & App Control – Adjust settings via included remote or smartphone app
  • Quiet Operation – Low decibel rating for minimal noise
  • Washable Filters – Easy to clean for hassle-free maintenance

Pre-Charged Line Set Options

Choose from the following pre-charged line set lengths to match your installation needs:

  • 16 ft. (DIY16-1412)
  • 25 ft. (DIY25-1412)
  • 35 ft. (DIY35-1412C)
  • 50 ft. (DIY50-1412C)
  • 66 ft. (DIY66-1412C)
  • 75 ft. (DIY75-1412C)

Need a longer connection?

  • Use couplers to connect two line sets and extend up to 77 ft.
Specifications
  • Cooling Capacity: 18,000 BTU
  • Heating Capacity: 18,000 BTU
  • SEER Rating: Up to 21
  • Voltage: 208-230V / 1 Phase / 60Hz
  • Refrigerant Type: R-410A (Pre-Charged Line Sets)
  • WiFi Compatibility: Yes (SmartHVAC App, Alexa, Google Assistant)
  • ENERGY STAR Certified: Yes
  • AHRI Certified: Yes
  • Warranty: 7-Year Compressor / 5-Year Parts
Package Includes

✔ (1) MRCOOL DIY 4th Gen 18K BTU Multi-Zone Condenser
✔ (2) MRCOOL DIY 4th Gen 9K BTU Wall-Mounted Air Handlers
✔ (2) Remote Controls
✔ (2) Pre-Charged Line Sets (Choose Length)
✔ (1) Installation Kit
✔ (1) User Manual
✔ (1) Warranty Card

    Manuals

    Condenser

    Brochure

    Install Manual

    Owner Manual

    Remote Manual

    Technical Manual

    Warranty Doc

    Service Manual

     

    Air Handler

    Brochure

    Install Manual

    Remote Manual

    Warranty Doc

    Frequently Asked Questions

    Frequently Asked Questions (FAQ)

    Welcome to our FAQ page! Below, you’ll find answers to common questions about ordering, shipping, returns, warranties, and more. If you need further assistance, feel free to contact us or call us at +1 507 850-0547.

     

    1. Ordering & Payments

    What payment methods do you accept?

    We accept the following payment methods:

    Credit & Debit Cards: Visa, MasterCard, American Express, Discover, and Diners Club.

    Digital Wallets: Google Pay, Apple Pay, and Shop Pay.


    Can I modify or cancel my order after placing it?

    Orders are processed immediately to ensure fast shipping. If you need to make changes, please contact us as soon as possible. However, modifications are not guaranteed once the order has been processed.


    Do you offer financing or payment plans?

    Currently, we do not offer financing options. All orders must be paid in full at checkout.


    How do I confirm my order was placed successfully?

    Once your order is placed, you will receive a confirmation email. If you do not receive one, please check your spam folder or contact our support team.

     

    2. Shipping & Delivery


    How long does shipping take?

    Orders are processed within 1-2 business days and typically delivered within 3-7 business days. Delivery times may vary based on location and product availability.


    Do you offer expedited shipping?

    Yes, expedited shipping options may be available at checkout. Contact us for details.


    How do I track my order?

    Once shipped, you will receive a tracking number via email. You can use this number to monitor your shipment’s status.


    Do you ship internationally?

    No, we currently ship only within the United States.


    What should I do if my order arrives damaged?

    If your item arrives damaged, take photos and contact our customer support within 48 hours of delivery. We will assist you in resolving the issue.

     

    3. Returns & Refunds


    What is your return policy?

    We offer a 30-day return policy. If you are not satisfied, you can request a return within 30 days of delivery, provided the item is unused and in its original packaging.


    How do I initiate a return?

    Contact our support team with your order details to start the return process.


    Are there restocking fees for returns?

    Some returns may be subject to a restocking fee, depending on the product. Please review our Return & Refund Policy for details.


    How long does it take to receive a refund?

    Refunds are processed within 5-7 business days after the returned item is inspected.


    What if I received the wrong product?

    If you receive the wrong item, contact us immediately. We will arrange a replacement at no extra cost.


    4. Warranty & Support


    How do I claim a product warranty?

    Each brand has its own warranty policy. After our 30-day return period, you must contact the manufacturer directly for warranty claims.


    Where can I register my product for warranty?

    Visit the manufacturer’s website and complete their registration form:

    MRCOOL

    Pioneer

    Costway

    Whynter

    Bromic Heating

    Airfree

    Infratech

    EcoFlow


    Who do I contact for warranty support?

    Contact the manufacturer using the links above. If you need guidance, our support team is available to assist.

    5. Privacy & Security

    How is my personal information protected?

    We use Shopify’s secure platform with industry-standard encryption to protect your personal data.


    Do you store payment details?

    No, we do not store payment information. Transactions are securely processed via Shopify Payments and other third-party providers.


    Can I opt out of marketing emails?

    Yes, you can unsubscribe at any time by clicking the “unsubscribe” link in our emails.


    How do I modify or delete my personal data?

    Contact us with your request, and we will process it as per our Privacy Policy.

     

    6. General & Contact Information

    How can I contact customer support?

    You can reach us via:

    📧 Email: info@hvacfrontier.com

    📞 Phone: +1 507 850-0547


    What are your customer service hours?


    We are available Monday – Friday, 10:00 AM – 6:00 PM CST.

     

    Still Have Questions?

    If your question isn’t listed here, feel free to contact us or call us at +1 507 850-0547. We’re happy to assist you!

     

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