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MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER2 (6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump

Vendor: MRCOOL DIY Direct Type: 18K

4.5' (1201 Reviews)

20% Off

$3,187.00 ~~$3,983.75~~

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

Line Set for 12K Air Handler #2: 16 Ft

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Heat or cool two spaces with the MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU 23.9 SEER2 2 Zone Ductless Heat Pump Split System – 6K + 12K, available at MRCOOL DIY Direct. This dual-zone system is designed for simple DIY installation with no special tools, training, or HVAC certification required—saving you thousands on install costs while delivering year-round comfort.

The included (1) 6,000 BTU and (1) 12,000 BTU wall-mounted air handler pair with the 18,000 BTU condenser to provide efficient heating and cooling for areas up to approximately 200 sq. ft. and 550 sq. ft. respectively. Whether you’re upgrading an older HVAC system, finishing a basement, or adding comfort to multiple rooms, this unit offers flexible, reliable, and energy-saving performance.

Thanks to MRCOOL’s DIY Quick Connect® line sets, pre-charged with eco-friendly R-454B refrigerant, installation is quick, clean, and hassle-free—no vacuum pump or refrigerant handling required. Plus, with built-in smart features, you can control your comfort from anywhere using the MRCOOL SmartHVAC app, or voice commands with Amazon Alexa and Google Home.

Key Features:

18,000 BTU Dual-Zone Condenser with 6K + 12K Air Handlers
23.9 SEER2 Energy Efficiency with inverter technology
DIY Quick Connect® Line Sets pre-charged with R-454B refrigerant
Easy Installation — no HVAC tech required
Heats, cools, and dehumidifies year-round
Smart Controls via app, Alexa, or Google Home
Gold Fin® Condenser for corrosion resistance and durability
Quiet operation with Sleep Mode, Follow Me® function, and display mute option
Alerts for filter cleaning, refrigerant levels, and troubleshooting codes
Warranty: 7-Year Compressor (optional Lifetime), 5-Year Parts

The MRCOOL DIY Multi-Zone 18K (6K + 12K) delivers comfort you can trust in every season. From blazing summers to freezing winters, this dual-zone ductless mini split system is built for efficiency, reliability, and true DIY convenience.

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.

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MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER2 (6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump