MRCOOL DIY 4th Gen Multi-Zone 2-Zone 48,000 BTU 21 SEER (9K + 36K) Ductless Mini-Split Air Conditioner and Heat Pump

DIY 4th Gen Multi-Zone 2-Zone 48,000 BTU 21 SEER (9K + 36K) Ductless Mini-Split Air Conditioner and Heat Pump

Keep two rooms perfectly climate-controlled year-round with the MRCOOL DIY Multi-Zone 48,000 BTU 21 SEER 2 Zone Ductless Heat Pump Split System (9K + 36K). This high-powered, energy-efficient HVAC solution delivers customized heating and cooling while offering a straightforward DIY installation—saving you thousands on professional setup. Equipped with a 48,000 BTU condenser, this system powers a 9,000 BTU air handler (ideal for up to 350 sq. ft.) and a 36,000 BTU air handler (covering up to 1,650 sq. ft.), making it perfect for a small and large room combination like a bedroom and an open-concept living area.

Say goodbye to expensive HVAC installations! The MRCOOL DIY Multi-Zone system is designed for easy, tool-free setup with its Quick Connect line set, which comes pre-charged with eco-friendly R-410A refrigerant. No vacuum pumps, special tools, or licensed technicians are required—just follow the step-by-step DIY video guides, and you'll have a fully operational climate system in no time. This 4th Gen MRCOOL DIY system is also expandable, supporting up to five indoor units, allowing you to upgrade your climate control as your needs grow.

Adjust and monitor your home's temperature from anywhere using the MRCOOL Smart Controller app for Apple and Android devices. Control the system wirelessly with the included remote, or use voice commands with Amazon Alexa or Google Home for hands-free convenience. Each indoor air handler features an easy-to-read digital display, showing real-time temperature, settings, and troubleshooting alerts, so you're always in the know.

Whether it’s the heat of summer, the chill of winter, or humid transitional seasons, the MRCOOL DIY Multi-Zone system has you covered. Functioning as a heat pump, it can reverse its operation to pull in heat from outside air, keeping your home cozy even in cold weather.

The directional airflow control on each indoor unit ensures even air distribution, so every corner of your space remains comfortable. Need a quick blast of cooling? Activate manual forced cooling mode by pressing the button under the front panel—perfect for post-installation testing or maintenance.

For quiet operation, you can mute the system, turning off alerts and display lights—ideal for bedrooms or offices. Plus, in the event of a power outage, the system will automatically restart with your previous settings.

Upgrade your home’s heating and cooling with cutting-edge technology, effortless installation, and year-round energy efficiency—all with the MRCOOL DIY Multi-Zone 48,000 BTU 2 Zone Ductless Heat Pump Split System (9K + 36K).

• 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

Your Satisfaction with MRCOOL is Guaranteed:

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