MRCOOL DIY 5th Gen Multi-Zone 18,000 BTU 24 SEER 2 Zone Ductless Mini Split System (9K + 9K)
The MRCOOL® DIY 5th Generation Multi-Zone 18,000 BTU 24 SEER 2-Zone Ductless Mini Split Heat Pump is the easiest way to heat and cool two rooms up to 350 sq. ft. each — without hiring a professional installer. This complete dual-zone ductless system includes a powerful 18,000 BTU condenser and two 9,000 BTU indoor air handlers, designed for DIY installation with pre-charged Quick Connect® line sets.
No special tools, training, or HVAC license required — just connect, tighten, and enjoy reliable comfort throughout the year.
✅ Key Features & Benefits
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Easy DIY® Installation – No specialty tools or training required.
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Dual 9K Air Handlers – Perfect for two rooms up to ~350 sq. ft. each.
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High Efficiency 24 SEER Rating – Save money with ultra-efficient heating and cooling.
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Heat Pump Technology – Provides both heating and cooling year-round.
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Pre-Charged Quick Connect® Line Sets – Sealed and ready with eco-friendly R-454B refrigerant.
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Smart Controls – Control each zone via smartphone app, remote, Amazon Alexa, or Google Home.
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Gold Fin® Condenser – Corrosion-resistant for long-lasting durability.
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Follow Me® Feature – Delivers comfort exactly where you need it.
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Low Ambient Cooling – Keeps running even when outdoor temps drop.
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Peace of Mind Warranty – 7-Year Compressor, 5-Year Parts, optional Lifetime Compressor Warranty.
📱 Smart Comfort, Anywhere
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Adjust temperature, mode, and fan speed via the MRCOOL SmartHVAC app.
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Works with Amazon Alexa and Google Home for hands-free voice control.
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LED digital displays show real-time temperature, alerts, and troubleshooting codes.
🌡️ Multi-Mode Operation
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Auto Mode – Automatically balances heating and cooling.
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Dry Mode – Dehumidifies while maintaining set temperature.
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Sleep Mode – Saves energy and keeps you comfortable overnight.
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Emergency Operation – Manual override option for forced cooling.
⚡ Why Choose MRCOOL DIY?
The MRCOOL DIY Series is the original and #1 best-selling DIY mini split system in America. With Quick Connect® line sets, you’ll save thousands of dollars on installation, enjoy reliable comfort throughout the year, and gain confidence knowing your system is backed by lifetime technical support.
👉 Perfect for: Bedrooms, home offices, garages, small apartments, or any two-zone application up to 700 sq. ft. combined.
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™.
