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 year-round comfort: 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.