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Upgrade your comfort with the 5th Generation MRCOOL® DIY® 18,000 BTU Multi-Zone Ductless Mini Split System — designed for powerful performance and true do-it-yourself installation.
This system eliminates the need for specialized HVAC tools or professional installation thanks to MRCOOL’s patented Pre-Charged Quick Connect® line sets using eco-friendly R-454B refrigerant. Enjoy energy-efficient comfort with up to 23.9 SEER2 cooling efficiency and 10 HSPF2 heating performance, helping reduce energy costs year-round.
The 18K BTU outdoor condenser supports two 9,000 BTU indoor air handlers, making it ideal for heating and cooling multiple rooms (up to approximately 750 sq. ft. combined, depending on layout and insulation).
Smart Features• Compatible with Amazon Alexa & Google Home
• Control via Smart HVAC app
• Voice control capability
• Custom scheduling and temperature control
• Multiple operating modes for personalized comfort
This system delivers efficient, customizable heating and cooling with the flexibility today’s homeowners expect.
Warranty Coverage• 7-Year Compressor Warranty
• 5-Year Parts Warranty
• 1-Year Remote Warranty
• Optional Limited Lifetime Compressor Warranty with MRCOOL® Care Program enrollment
Installation and owner manuals are included. Digital copies available upon request.
Included in This Package• (1) 18,000 BTU Multi-Zone Outdoor Condenser
• (2) 9,000 BTU Wall Mounted Air Handlers
• (2) Remote Controls
• (2) 16 ft. Installation Kits
• Installation Manual
• Owner’s Manual
Accessories such as wall brackets, line set covers, electrical disconnects, and power whips may be included or substituted based on availability. Products may vary slightly from images shown.
Shipping InformationOur goal is to ship within 1–2 business days after payment. Due to inventory and freight conditions, shipping may take up to 2 weeks in rare cases. Please message us for current availability before purchasing.
Inventory changes rapidly. Availability is not guaranteed until order is confirmed.
Important Delivery NoticePlease inspect all packages upon delivery.
• If damaged, have the driver note damage on the delivery receipt.
• If severely damaged, refuse the shipment.
• If damage is discovered after opening, notify us within 5 days of delivery.
• Take clear photos of any damage immediately.
Failure to document visible damage at delivery may prevent freight claims.