MRCOOL Advantage 5th Gen

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MINI-SPLIT SYSTEMS — MRCOOL DIY

MRCOOL DIY Series Mini-Split Systems

Source MRCOOL DIY Series ductless mini-split systems for residential and light commercial HVAC applications. The DIY Series is designed for homeowner and contractor installation without a certified HVAC technician for the refrigerant line connection.

Availability Notice: Product availability may vary by supplier, stock status, manufacturer policy, and product type. We help contractors and procurement teams source products — we do not guarantee stock, pricing, or lead times. For OEM part lookup support, contact us with your model number, serial number, part number, or equipment label photo.

MRCOOL DIY Series — Available Configurations

Single-Zone DIY Systems

Single indoor air handler paired with one outdoor condenser unit. Available in cooling-only and heat pump configurations from 9,000 to 36,000 BTU.

Multi-Zone DIY Systems

One outdoor condenser supporting 2, 3, or 4 indoor air handlers. Allows independent zone control across multiple rooms or areas.

Wall-Mount Air Handlers

Standard high-wall indoor units for bedroom, living room, office, and open-plan installations. Compatible with DIY Series condensers.

Pre-Charged Line Sets

MRCOOL DIY Series uses pre-charged, quick-connect line sets that do not require a vacuum pump or refrigerant manifold for installation.

Sourcing MRCOOL DIY Series Systems

HVACProSales helps contractors, property managers, and procurement teams source MRCOOL DIY Series systems for residential retrofits, new construction, garage conversions, sunrooms, ADUs, and light commercial spaces. The DIY Series is one of the most recognized ductless mini-split lines in the North American market due to its pre-charged line set design, which reduces installation time and eliminates the need for refrigerant recovery equipment on initial installation. Contractors use the DIY Series for applications where a quick, clean installation is a priority. Property managers and facility teams use it for tenant comfort upgrades, server rooms, and supplemental cooling in spaces that cannot be served by central ductwork.

Who We Serve

HVAC Contractors & Installers

Source MRCOOL DIY Series units for residential and light commercial jobs. Submit model number, BTU requirement, and zone count for sourcing support.

Property Managers & Facility Teams

Procure replacement or supplemental ductless systems for tenant spaces, common areas, server rooms, and utility areas.

Procurement & Sourcing Professionals

Request commercial quantity sourcing support, lead time estimates, and RFQ assistance for multi-unit property projects.

MRCOOL DIY Series — General Specifications

Specification	Range / Notes
Cooling Capacity	9,000 – 36,000 BTU
Heating Capacity	Heat pump models available
Refrigerant	R-410A (standard) / R-32 (newer models)
Line Set Connection	Pre-charged quick-connect (no vacuum required)
SEER Rating	Up to 22 SEER (model dependent)
Zone Support	Single-zone and multi-zone configurations
Installation	Homeowner or contractor installable

Frequently Asked Questions

Does the MRCOOL DIY Series require a licensed HVAC technician to install?

The MRCOOL DIY Series uses a pre-charged quick-connect line set system that does not require a certified technician to connect the refrigerant lines. However, electrical work, permits, and local code compliance may still require licensed professionals depending on your jurisdiction.

What BTU sizes are available in the MRCOOL DIY Series?

The MRCOOL DIY Series is available in 9,000, 12,000, 18,000, 24,000, and 36,000 BTU configurations. Multi-zone systems support combinations of these sizes across 2, 3, and 4 zones.

Can the MRCOOL DIY Series be used for commercial applications?

The MRCOOL DIY Series is primarily designed for residential and light commercial use. For heavy commercial applications, larger tonnage systems, or applications requiring commercial-grade warranties, contact us for alternative sourcing support.

How do I source MRCOOL DIY Series parts or replacement components?

Submit your model number, serial number, and part description to our procurement support team. We help identify compatible OEM and aftermarket replacement components for MRCOOL DIY Series systems.