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NEW R-454B Refrigerant

MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump

MRCOOL DIY 5th Gen Multi-Zone 2-Zone 27,000 BTU 23 SEER2 (6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump

Regular price $3,700.00 USD
Regular price $4,958.00 USD Sale price $3,700.00 USD
Save $1,258.00 Sold out
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SKUDIYM227HP0612

Type27K

Line Set for 6K Air Handler
Line Set for 12K Air Handler
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  • Customer service award graphic – MRCOOL’s 5-star HVAC support rating for Easy Pro, DIY, and multi-zone systems.5-Star Customer Service
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PRODUCT DESCRIPTION

Multi-Zone MRCOOL DIY 5th Gen 27K BTU Dual Zone Mini Split – 6K + 12K

The MRCOOL DIY 5th Gen Multi-Zone 27,000 BTU 23 SEER2 Dual Zone Ductless Heat Pump Split System – 6K + 12K delivers efficient, customizable comfort with the convenience of true DIY installation. Engineered for homeowners, this system saves thousands in installation costs while providing professional-level heating and cooling for two separate spaces.

With one 6,000 BTU air handler (perfect for up to 200 sq. ft.) and one 12,000 BTU air handler (ideal for up to 550 sq. ft.), this system is designed for pairing a small room with a medium-sized living space, bedroom, or office. Powered by the 27K BTU condenser, you get dependable year-round climate control—cooling in summer, heating in winter, and dehumidifying during wet seasons.


Why Choose the MRCOOL DIY 27K 6K+12K Dual Zone?

DIY Friendly – No special training or tools required thanks to pre-charged Quick Connect line sets with eco-friendly R-454B refrigerant.
Energy Efficiency – A strong 23 SEER2 rating keeps energy bills low without sacrificing performance.
Smart Comfort – Adjust settings via remote, the MRCOOL Smart Controller App, or voice assistants like Amazon Alexa and Google Home.
Flexible Zone Control – Heat or cool each room independently for maximum comfort.
Built to Last – Gold Fin® anti-corrosion condenser ensures long-term reliability.
Warranty Protection – Includes 7-year compressor coverage, 5-year parts warranty, and lifetime technical support.


Advanced Features

  • Follow Me® Function – Remote-based temperature sensing for more accurate comfort.

  • Low Ambient Cooling – Stay cool even when outdoor temps are low.

  • Sleep Mode – Automated 8-hour nighttime cycle that saves energy.

  • Auto Restart – Recovers last settings after a power outage.

  • Filter & Maintenance Alerts – Automatic reminders ensure efficient operation.

  • Quiet Operation & Mute Mode – Enjoy comfort without noise or unwanted display lights.

  • Emergency Cooling Mode – Manual override for quick cooling or testing after installation.


Expandable Comfort

This 27,000 BTU system supports up to four indoor units, making it a great choice if you want to expand later. Need more capacity? The MRCOOL DIY 36K system can power up to five zones.


Perfect For:

  • A bedroom + office combo

  • A small den + living room

  • Homeowners looking for a DIY solution for mixed-size rooms


Enjoy professional-quality heating and cooling with the MRCOOL DIY 5th Gen 27K BTU Dual Zone Mini Split – 6K + 12K. Save money, take control, and stay comfortable year-round.

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