MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU 23.9 SEER2 2 Zone Ductless Heat Pump Split System – 6K + 9K | this retailer
The MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU 23.9 SEER2 Ductless Heat Pump Split System (6K + 9K) is the perfect solution for energy-efficient comfort in two separate rooms. Designed for true DIY installation, this dual-zone system requires no HVAC license, no special tools, and no costly contractor fees—making it one of the most affordable and accessible heating and cooling solutions on the market.
Powerful & Flexible Comfort
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18,000 BTU condenser delivers reliable heating and cooling for two indoor zones.
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Includes 6,000 BTU air handler (ideal for up to 200 sq. ft.) and 9,000 BTU air handler (ideal for up to 400 sq. ft.).
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Operates as a heat pump—cooling in summer, heating in winter, and dehumidifying in wet seasons.
Easy DIY® Installation
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Features MRCOOL’s exclusive Pre-Charged Quick Connect Line Sets, filled with eco-friendly R-454B refrigerant.
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Installs without vacuum pumps, gauges, or specialized tools.
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Backed by MRCOOL’s lifetime technical support and step-by-step video guides.
Smart Controls & Modern Features
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Control each zone with the MRCOOL Smart Controller app, available for iOS and Android.
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Fully compatible with Amazon Alexa and Google Home voice control.
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Front-panel LED display shows temperature, modes, alerts, and error codes for easy troubleshooting.
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Includes wireless remote controls for convenient operation.
Energy Efficiency & Cost Savings
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Impressive 23.9 SEER2 efficiency rating saves on utility bills.
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Sleep Mode adjusts comfort while reducing energy usage overnight.
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Timer function allows you to schedule heating or cooling cycles to match your lifestyle.
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Gold Fin® condenser coating improves durability and resists corrosion.
Built-In Protection & Reliability
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Low refrigerant alert warns of possible leaks.
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Auto-restart resumes operation after a power outage.
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Air filter cleaning reminders help maintain peak efficiency.
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Optional lifetime compressor warranty (standard: 7-year compressor, 5-year parts).
Key Features at a Glance
✔ Easy DIY® Installation
✔ Pre-Charged Quick Connect Line Set
✔ Eco-Friendly R-454B Refrigerant
✔ Multi-Zone Comfort Control
✔ Energy Efficient DC Inverter Technology
✔ Smart App + Voice Control
✔ Gold Fin® Condenser Protection
✔ Follow Me® Remote Sensor
✔ Lifetime Technical Support
This dual-zone MRCOOL DIY system gives you the freedom to create personalized comfort in two spaces while saving thousands on professional installation. Whether you need heating, cooling, or dehumidification, the 18,000 BTU 5th Gen system has you covered—all with easy operation, smart technology, and dependable performance backed by MRCOOL’s warranty.
Shipping Policy
Free Standard Shipping
We offer free standard shipping on all orders. Orders are processed within 1–2 business days and typically arrive within 5–7 business days.
Expedited Shipping
Expedited shipping options are available at checkout. Expedited orders placed before 12pm EST ship the same business day.
Order Tracking
Once your order ships you will receive a confirmation email with a tracking number. You can track your shipment at any time through our website or the carrier's portal.
International Shipping
We currently ship within the United States only. International shipping is not available at this time.
Return Policy
30-Day Returns
We accept returns within 30 days of delivery. Items must be unused, in their original packaging, and in the same condition as received.
How to Initiate a Return
Contact our support team at sales@homecrucial.com with your order number and reason for return. We will provide a prepaid return label within 1–2 business days.
Refunds
Refunds are processed within 5–7 business days after we receive the returned item. The refund will be issued to your original payment method.
Non-Returnable Items
Items that have been installed, used, or damaged after delivery are not eligible for return.
Warranty
Manufacturer's Warranty
All products sold at Home Crucial are covered by the manufacturer's warranty. Warranty terms vary by brand and product — please refer to the documentation included with your product for specific details.
What Is Covered
Manufacturer warranties typically cover defects in materials and workmanship under normal use and conditions. Coverage does not include damage caused by misuse, improper installation, or normal wear and tear.
Warranty Claims
To initiate a warranty claim, contact us at sales@homecrucial.com with your order number, a description of the issue, and photos if applicable. We will coordinate with the manufacturer on your behalf.
Extended Protection
Extended warranty and protection plans may be available for select products. Contact us for more details.
Customer Reviews
★★★★★ 4.9 out of 5 · 20 reviews
High-efficiency 5th Gen ENERGY STAR® rated DIY mini split heat pumps.
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Outdoor esthetics do matter.
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Create your bundle with ease.
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Authorized Dealer of Mr Cool™.
