
Heat or cool two rooms with the MRCOOL DIY 5th Gen Multi-Zone 48,000 BTU 22 SEER2 2-Zone Ductless Mini Split Heat Pump System (12K + 36K). This powerful system combines one 12,000 BTU air handler (ideal for spaces up to 550 sq. ft.) and one 36,000 BTU air handler (perfect for up to 1,650 sq. ft.), delivering reliable comfort throughout the year with energy efficiency you can count on.
As part of the MRCOOL DIY Series, this system features true Do-It-Yourself installation with Quick Connect® line sets pre-charged with eco-friendly R-454B refrigerant—no vacuum pumps, gauges, or special tools required. Save thousands on installation while enjoying professional-level performance.
With advanced inverter technology and a 48,000 BTU condenser, this ductless heat pump can cool in summer, heat in winter, and dehumidify during wet seasons. Control each zone independently with the included remotes, or use the MRCOOL Smart Controller app, compatible with Amazon Alexa and Google Home.
Built for convenience, the indoor air handlers feature an easy-to-read digital display, troubleshooting alerts, and air filter cleaning reminders. Sleep Mode, Follow Me® functionality, and customizable timers help maximize efficiency while lowering energy bills.
This system is backed by a 7-year compressor warranty, 5-year parts warranty, plus a limited lifetime compressor warranty for your confidence and protection.
Key Features
-
✅ Easy DIY® Installation – Quick Connect® line sets pre-charged with R-454B refrigerant
-
✅ Multi-Zone Comfort – Includes 12K + 36K air handlers (up to 2,200 sq. ft. combined)
-
✅ High Efficiency – 22 SEER2 rating with energy-saving inverter technology
-
✅ Smart Controls – App control, voice compatibility, remotes included
-
✅ Year-Round Use – Cooling, heating, dehumidifying, and auto modes
-
✅ Durability & Support – Gold Fin® condenser, sealed system, lifetime tech support
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