Enjoy reliable comfort throughout the year in two separate rooms with the MRCOOL DIY® 5th Gen 18,000 BTU 24 SEER 2-Zone Ductless Heat Pump Split System (9K + 12K). This powerful and energy-efficient mini split is part of the only true DIY ductless system, designed so homeowners can install it themselves without special tools, training, or HVAC certification.
The system includes one 18,000 BTU condenser paired with two indoor air handlers—
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9,000 BTU unit (ideal for spaces up to ~350 sq. ft.)
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12,000 BTU unit (ideal for spaces up to ~550 sq. ft.)
Whether it’s cooling in summer, heating in winter, or dehumidifying during wet seasons, this dual-zone mini split has you covered. The advanced DC inverter technology delivers whisper-quiet performance while maximizing energy savings, earning a 24 SEER rating.
Why Choose MRCOOL DIY 5th Gen Multi-Zone?
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Easy DIY® Installation – Pre-charged Quick Connect® line sets filled with eco-friendly R-454B refrigerant snap together with no vacuuming required.
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Smart Controls – Control your comfort with the MRCOOL Smart Controller app, Amazon Alexa, or Google Assistant.
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All-Season Performance – Heat pump technology allows efficient heating even in low outdoor temps.
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Gold Fin® Condenser – Corrosion-resistant design for long-lasting durability.
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Follow Me® Technology – Remote senses your location and adjusts airflow for personalized comfort.
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Energy Saving Modes – Auto, Sleep, and Timer functions help reduce utility bills.
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Low Ambient Cooling – Operates down to 5°F, ideal for server rooms or garages.
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Lifetime Technical Support – Backed by MRCOOL’s 7-year compressor and 5-year parts warranty, plus optional lifetime compressor coverage.
What’s Included
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(1) 18,000 BTU DIY Multi-Zone Heat Pump Condenser (24 SEER)
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(1) 9,000 BTU Indoor Air Handler
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(1) 12,000 BTU Indoor Air Handler
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(2) Pre-Charged Quick Connect Line Sets (length optional)
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(2) Wireless Remotes
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(1) Smart Controller (WiFi compatible)
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Installation accessories and documentation
✅ Perfect for homeowners, house flippers, remodels, and new builds, this system delivers professional-grade performance without the professional price tag.
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™.
