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MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER2 (6K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

Vendor: MRCOOL DIY Direct Type: 18K

4.5' (1201 Reviews)

20% Off

$3,443.00 ~~$4,303.75~~

Line Set for 6K Air Handler #1: 16 Ft

Line Set for 18K Air Handler #2: 16 Ft

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Heat or cool two rooms with ease using the MRCOOL DIY® 5th Gen Multi-Zone 18,000 BTU 23.9 SEER2 2-Zone Ductless Heat Pump Split System – 6K + 18K. Perfect for bedrooms, offices, or living spaces, this system combines one 6,000 BTU air handler (ideal for ~200 sq. ft.) and one 18,000 BTU air handler (up to ~800 sq. ft.), powered by a high-efficiency 18,000 BTU condenser.

Engineered for true do-it-yourself installation, the MRCOOL DIY® Series requires no special tools, training, or HVAC licensing. The included pre-charged Quick Connect® line sets are factory-sealed and filled with eco-friendly R-454B refrigerant, making setup simple and eliminating the need for expensive professional installation.

Key Features & Benefits

DIY® Friendly Installation – Install your own multi-zone mini split with no specialized tools or training.
High Efficiency Comfort – Up to 23.9 SEER2 energy efficiency rating keeps operating costs low.
Multi-Room Zoning – Includes one 6K and one 18K wall-mounted air handler for flexible comfort.
Year-Round Climate Control – Heats, cools, and dehumidifies for four-season performance.
Smart Controls – Works with the MRCOOL® SmartHVAC app, Amazon Alexa, and Google Home.
Follow Me® Feature – Adjusts comfort based on where you are in the room.
Gold Fin® Condenser – Corrosion-resistant for long-lasting outdoor performance.
Quiet Operation – Sleep mode, mute function, and LED dimming keep comfort uninterrupted.
Warranty Protection – 7-year compressor, 5-year parts warranty, plus optional lifetime compressor coverage.
Lifetime Technical Support – Backed by MRCOOL DIY Direct for ongoing customer support.

Smarter Comfort, Anywhere You Are

Each air handler features a digital display with diagnostic codes, filter cleaning reminders, and system alerts, making maintenance hassle-free. Control each zone independently with the included remotes, or manage everything from your smartphone. For added convenience, the system automatically restores previous settings after a power outage.

With the MRCOOL DIY 18K Dual-Zone Split System, you’ll enjoy maximum comfort, huge savings on installation, and reliable year-round performance—all with the confidence of the original DIY mini split system.

🔥 Upgrade Your Home Comfort with MRCOOL DIY Direct — the #1 Nationwide Source for Genuine MRCOOL DIY® Systems.

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.