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MRCOOL 5th Gen Multi-Zone Ceiling-Mounted Air Handler Builder

Vendor: MRCOOL DIY Direct Type: 5th Gen Ceiling Mount Cassette

4.5' (1201 Reviews)

20% Off

$1,312.00 ~~$1,640.00~~

Ceiling Cassette: 6k BTU

6k BTU 9k BTU 12k BTU 18k BTU

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Elevate your installation with MRCOOL’s newest 5th Generation Multi-Zone Ceiling Cassette Air Handlers – a low-profile, ENERGY STAR® Certified solution that delivers quiet, efficient comfort without sacrificing floor or wall space. These indoor units are specifically designed for MRCOOL 5th Gen Multi-Zone DIY condensers and connect easily using pre-charged Quick Connect line sets.

Whether you're outfitting a large living room, open-concept office, or high-end commercial space, these cassettes install between standard 16" on-center joists and feature a flush-mount grille that blends seamlessly into the ceiling.

Product Highlights:

ENERGY STAR® Certified for high efficiency and lower utility costs
DIY-Friendly installation with patented Quick Connect fittings
Available in 6k, 9k, 12k, and 18k BTU models (230V)
Includes a 25 ft. control wire (for use with 25 ft. line sets)
Pairs with MRCOOL 5th Gen DIY R-454B line sets and condensers (sold separately)

Installation & Wiring Notes:

Each ceiling cassette air handler comes with a standard 25-foot control wire in the box. If your installation requires a longer line set (such as 35, 50, or 75 feet), you will need to replace the default 25 ft control wire with the longer wire that comes with your selected line set. This ensures safe and reliable communication between indoor and outdoor units.

Installation requires attic or ceiling access and a structural cavity that allows the cassette to be recessed between ceiling joists. A condensate pump is integrated into the unit for efficient drainage.

⚠️ Note: This listing is for indoor ceiling cassette air handlers only. A 5th Gen MRCOOL Multi-Zone outdoor condenser and line sets with matching control wires are required for a complete installation.

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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