The MRCOOL DIY 5th Gen 48,000 BTU 4-Zone Wall Mount Mini-Split System delivers powerful and flexible heating and cooling for up to six rooms — all from a single outdoor condenser. Designed for easy installation and quiet performance, this ductless system combines high efficiency with a clean, low-profile ceiling-mounted aesthetic.
Compatible with any combination of 6K, 9K, 12K,18K, 24K, 36K wall mount air handlers, this system lets you customize comfort room by room. Whether you’re upgrading a residential home, office, or light commercial space, the 48K 6-zone system offers reliable comfort across a wide range of indoor environments.
Featuring a 21.8 SEER2 energy efficiency rating, built-in Wi-Fi, and smart controls via smartphone app, Alexa, or Google Assistant, MRCOOL’s DIY system is made for modern living without compromising performance.
Key Features:
-
Covers up to 6 zones with a single 48K multi-zone condenser
-
Compatible with 6K, 9K, 12K,18K, 24K, 36K wall mount air handlers
-
21.8 SEER2 energy efficiency for low operating costs
-
DIY-friendly installation with no special tools required
-
Flush-mount ceiling cassette design for unobtrusive comfort
-
Whisper-quiet operation and advanced inverter technology
-
Operates in extreme conditions: heats down to -13°F, cools up to 122°F
-
Smart controls via MRCOOL app, Alexa, or Google Assistant
-
Durable Gold Fin® coating for corrosion resistance
-
Backed by 5-year parts and 7-year compressor 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.
-
Outdoor esthetics do matter.
-
Create your bundle with ease.
-
Authorized Dealer of Mr Cool™.
