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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 (9K + 9K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump
Starting at $207/mo or 0% APR with . See if you qualify
Save 11% Save 11%
$6,723.00
$6,723.00 - $6,723.00
$6,723.00
$5,966.00
$5,966.00 - $5,966.00
$5,966.00
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DIY 4th Gen Multi-Zone 4-Zone 48,000 BTU 21 SEER (9K + 9K + 18K + 18K) Ductless Mini-Split Air Conditioner and Heat Pump

Experience personalized climate control with the MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 4-Zone Ductless Heat Pump Split System. Designed for efficiency and comfort, this system includes two 9,000 BTU air handlers, ideal for rooms up to 350 square feet, and two 18,000 BTU air handlers, perfect for larger spaces up to 550 square feet. Whether you're battling the summer heat or keeping warm in winter, the advanced heat pump technology ensures energy-efficient heating and cooling year-round.

Skip the expensive installation fees! The MRCOOL DIY Series is designed for easy, tool-free setup, featuring Quick Connect pre-charged line sets with eco-friendly R-410A refrigerant. No vacuuming, gauges, or professional tools required—simply follow the step-by-step video guides for hassle-free installation. This 4th Gen MRCOOL DIY system can support up to five indoor units, allowing for future expansion as your needs grow.

The four included air handlers allow for directional airflow adjustments, ensuring even air distribution throughout each room. If needed, activate manual mode using the hidden button under the front panel to force cooling for troubleshooting or maintenance. For a quiet, undisturbed experience, enable mute mode to turn off alerts and LED displays—ideal for bedrooms and workspaces.

With its easy installation, smart technology, and year-round efficiency, the MRCOOL DIY Multi-Zone 48,000 BTU 4-Zone Ductless Heat Pump Split System offers the perfect solution for maintaining comfort in multiple rooms—all while saving on energy and installation 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