Multi-Zone MRCOOL DIY 5th Gen 27K BTU Dual Zone Mini Split – 18K + 18K
The MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU 23 SEER2 Dual Zone Ductless Heat Pump Split System – 18K + 18K offers powerful comfort for larger rooms and open spaces, all with easy DIY installation. Save thousands on labor costs while gaining professional-grade heating and cooling that you can install yourself.
With two 18,000 BTU indoor air handlers, this system can cover up to 800 sq. ft. per zone. Perfect for a master suite, open living room, basement, or large home office, this dual zone setup gives you independent control of two big spaces at once. The 27K BTU condenser provides reliable reliable comfort throughout the year: cooling in summer, heating in winter, and dehumidifying during humid seasons.
Why Choose the MRCOOL DIY 27K Dual Zone 18K+18K?
✅ Big Room Coverage – Two 18K air handlers deliver comfort to rooms up to 800 sq. ft. each.
✅ True DIY Install – Pre-charged Quick Connect line sets with eco-friendly R-454B refrigerant. No HVAC tools or training required.
✅ High Efficiency – Rated 23 SEER2, lowering energy bills while delivering steady performance.
✅ Smart Home Integration – Operate units with the included remotes, the MRCOOL Smart Controller App, or via Amazon Alexa and Google Home.
✅ Independent Comfort Control – Heat or cool each large space separately.
✅ Durability & Protection – Outdoor condenser includes Gold Fin® coating for corrosion resistance.
✅ Warranty Support – Backed by a 7-Year Compressor, 5-Year Parts Warranty, and lifetime technical support.
Advanced Features
-
Follow Me® Function – Uses the remote as a temperature sensor for more accurate comfort.
-
Low Ambient Cooling – Runs effectively even in cooler outdoor conditions.
-
Sleep Mode – 8-hour energy-saving cycle perfect for overnight operation.
-
Auto Restart – Returns to your last settings after a power outage.
-
Maintenance Reminders – Built-in filter and service alerts keep performance high.
-
Mute Mode – Quiet comfort by silencing alerts and turning off LED lights.
-
Emergency Cooling – Manual override for forced cooling or testing after installation.
Flexible Expansion
This 27K BTU dual zone system supports up to four total indoor units. If you need even more coverage, the MRCOOL DIY 36K BTU Multi-Zone system can power up to five zones.
Perfect For:
-
Large bedrooms or master suites
-
Living rooms, basements, or open-concept spaces
-
Homeowners seeking DIY installation for larger zones without professional labor costs
⚡ The MRCOOL DIY 5th Gen 27K Dual Zone 18K+18K Mini Split delivers serious comfort for bigger spaces — with energy efficiency, smart controls, and easy DIY installation.
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™.
