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MRCOOL DIY 4th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (9K + 9K + 9K + 24K) Ductless Mini-Split Air Conditioner and Heat Pump

MRCOOL DIY 4th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (12K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump
Starting at $206/mo or 0% APR with . See if you qualify
Save 10% Save 10%
$6,589.00
$6,589.00 - $6,589.00
$6,589.00
$5,930.00
$5,930.00 - $5,930.00
$5,930.00
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DIY 4th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (12K + 12K + 12K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump

Experience year-round comfort with the MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 4-Zone Ductless Heat Pump Split System, designed for hassle-free installation and powerful performance. This system includes four 12,000 BTU air handlers, each capable of covering up to 550 square feet, ensuring efficient heating and cooling in multiple rooms.

With Quick Connect pre-charged line sets filled with eco-friendly R-410A refrigerant, setting up your MRCOOL system is simple and requires no special tools or professional help. Just follow the step-by-step video instructions and enjoy a cost-effective HVAC solution without expensive installation fees. The 4th Gen MRCOOL DIY system is also expandable, supporting up to five indoor units—giving you flexibility for future upgrades.

Manage your home’s comfort effortlessly using the MRCOOL Smart Controller App, available for Apple and Android devices. This system is also compatible with Amazon Alexa and Google Home, allowing you to adjust settings with simple voice commands. Each air handler features an easy-to-read digital display, showing temperature settings, maintenance alerts, and troubleshooting codes—ensuring smooth operation and quick diagnostics.

Each of the four air handlers provides multi-directional airflow, ensuring even air distribution for consistent comfort. Need an instant cooling test or forced operation? Activate manual mode using the hidden button under the front panel. For quiet operation, enable the mute function, which disables alerts and turns off the LED display—ideal for bedrooms, nurseries, or workspaces.

With easy DIY installation, smart controls, and year-round energy-efficient performance, the MRCOOL DIY Multi-Zone 48,000 BTU 4-Zone Ductless Heat Pump Split System is the perfect solution for keeping your home comfortable while saving money on installation and energy costs.

  • Easy DIY® Installation
  • "Pre-charged DIY®
  • Quick Connect Line Set
  • Simple to Use
  • Multi-room Comfort
  • Energy Efficient DC Inverter
  • 100% Sealed System
  • Gold Fin® Condenser
  • Eco Safe R-410A Refrigerant
  • Smartphone App Controls
  • Lifetime Technical Support
  • Follow Me® Feature
  • Low Ambient Cooling
  • 16ft Line Set for Each Air Handler
  • Reach out to our team for pricing on longer Line Sets

Your Satisfaction with MRCOOL is Guaranteed:

  • 5 Year Parts Warranty, 7 Year Compressor Warranty
  • Lowest Price Guarantee