MRCOOL® DIY 5th Gen 3-Zone Multi-Zone Mini Split Condenser
Model: DIY-MULTI3-18HP230D-O
Introducing the all-new 5th Generation MRCOOL® DIY® Multi-Zone Mini Split Condenser, engineered for maximum comfort, efficiency, and convenience. With the ability to cool and heat multiple zones independently, this system is ideal for small homes, apartments, home offices, or workshops. Thanks to its DIY® Quick Connect® pre-charged line sets and intuitive design, you can install it yourself without the need for special tools or HVAC certification.
Key Features
DIY Installation: Tool-free, vacuum-free setup with no prior experience required
DIY® Quick Connect® Line Sets: Pre-charged with environmentally friendly R-454B refrigerant
Smart HVAC Control: Control each zone via the MRCOOL® SmartHVAC® app, Amazon Alexa, or Google Assistant
DIYPRO® Cable: Durable armored cable eliminates the need for electrical conduit
Gold Fin® Condenser: Corrosion-resistant coating ideal for coastal environments
Industry-Leading Warranty: 7-Year compressor, 5-Year parts, and Limited Lifetime Replacement Warranty with registration in the MRCOOL® Care Program
Certified Quality: Intertek listed 5031495 for tested safety and performance
Air Handler Compatibility
This condenser supports up to three indoor air handlers with a maximum combined capacity of 24,000 BTU. Available air handler sizes: 6K, 9K, and 12K BTU.
Shop with confidence at MRCOOL DIY DIRECT, an independent, family-owned HVAC business proudly recognized as a BBB Accredited Business. From our local roots to a nationwide customer base, we’re committed to delivering exceptional service, transparent business practices, and top-quality MRCOOL products. When you shop with us, you support a small business that values integrity, expertise, and your comfort—wherever you are in the U.S.
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