Multi-Zone MRCOOL DIY 5th Gen 27K BTU Dual Zone Mini Split – 6K + 18K

Enjoy efficient, reliable comfort with the MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU 23 SEER2 Dual Zone Ductless Heat Pump Split System – 6K + 18K. Designed for homeowners, this system combines professional-grade heating and cooling with true DIY installation, saving you thousands of dollars in labor costs.

This setup includes one 6,000 BTU air handler (ideal for small rooms up to 200 sq. ft.) and one 18,000 BTU air handler (perfect for larger areas up to 800 sq. ft.). Together, they deliver powerful, customizable comfort powered by a 27K BTU condenser, making it easy to heat, cool, and dehumidify two different-sized spaces all year long.

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Why Choose the MRCOOL DIY 27K 6K+18K Dual Zone?

✅ DIY Installation – Quick Connect line sets are pre-charged with eco-friendly R-454B refrigerant. No vacuum pump or special tools needed.
✅ Energy Efficiency – Achieves a 23 SEER2 rating, helping lower utility bills while maintaining comfort.
✅ Dual Zone Control – Heat or cool two differently sized rooms independently with one system.
✅ Smart Home Ready – Control your units via the remote, MRCOOL Smart Controller App, Amazon Alexa, or Google Home.
✅ Durability – Gold Fin® corrosion-resistant condenser extends outdoor unit lifespan.
✅ Warranty Coverage – 7-Year Compressor Warranty, 5-Year Parts Warranty, plus lifetime technical support.

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Advanced Features

• Follow Me® Technology – Air handlers adjust output based on the remote’s location.

• Low Ambient Cooling – Works even in cooler outdoor conditions.

• Sleep Mode – 8-hour energy-saving nighttime operation.

• Auto Restart – Restores last settings after power outages.

• Maintenance Alerts – Filter cleaning reminders and troubleshooting codes display automatically.

• Mute Mode – Disables alerts and display lights for a quieter environment.

• Emergency Cooling – Manual override for quick testing or forced cooling.

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Flexible Expansion

This 27,000 BTU dual zone system supports up to four indoor units total. Need more? The MRCOOL DIY 36K Multi-Zone system supports up to five zones.

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Perfect For:

• Pairing a bedroom with a living room or master suite

• A home office + open family space combination

• DIY homeowners who want easy installation and efficient heating & cooling for mixed room sizes

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⚡ The MRCOOL DIY 5th Gen 27K BTU 6K+18K Dual Zone Mini Split is the perfect solution for heating and cooling two rooms of different sizes — without paying for professional installation.