Take control of your home comfort with the MRCOOL DIY® Multi-Zone 5th Generation 48,000 BTU 22 SEER Two Zone Ductless Mini Split Heat Pump System (18K + 36K Air Handlers). Perfect for medium to large homes, this DIY mini split system delivers powerful heating and cooling while saving you thousands on installation costs.
Designed for true do-it-yourselfers, this system features pre-charged Quick Connect® line sets filled with eco-friendly R-454B refrigerant, so no HVAC license, vacuum pump, or specialty tools are required. Simply connect the lines, mount the air handlers, and enjoy reliable comfort throughout the year.
System Highlights
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Complete 2-Zone Coverage: Includes one 18,000 BTU air handler (ideal for spaces up to ~800 sq. ft.) and one 36,000 BTU air handler (up to ~1,650 sq. ft.).
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All-Season Performance: Provides efficient cooling in summer, heating in winter, and dehumidification in humid months.
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Smart Controls Built In: Adjust temperatures, change modes, and monitor your system with the MRCOOL Smart Controller app, Amazon Alexa, or Google Home.
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Energy Savings: With a 22 SEER rating and DC inverter technology, this ductless system keeps utility bills low without sacrificing comfort.
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Worry-Free Operation: Gold Fin® condenser resists corrosion, automatic leak detection provides alerts, and filter reminders help you keep maintenance simple.
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DIY Friendly: Backed by detailed install videos, lifetime technical support, and industry-leading warranties — 7 years compressor, limited lifetime on select compressors, and 5 years parts.
Why Choose MRCOOL DIY from this retailer?
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Nationwide shipping on all MRCOOL DIY systems.
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Full factory warranty when purchased through authorized dealer this retailer.
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Trusted support from the #1 online MRCOOL store for DIY homeowners.
Upgrade your home today with the MRCOOL DIY 48,000 BTU Multi-Zone Heat Pump System, the easiest and most cost-effective way to get professional-grade heating and cooling — without the professional price.
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™.
