MRCOOL DIY Multi-Zone 5th Generation 55K BTU Two Zone Ductless Mini Split – A Heating and AC System You Can Install By Yourself!
Heat or cool two rooms with the MRCOOL DIY Multi-Zone 55,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 6K + 36K. This DIY Series multi-zone product features easy installation that requires no special tools or training. You’ll save thousands of dollars on installation and enjoy reliable year-round comfort thanks to the condenser’s 55,000 BTU capacity. This system includes a 6,000 BTU air handler (up to 250 square feet) and a 36,000 BTU air handler (up to 1,500 square feet). A heat pump by design, this ductless HVAC solution can run in reverse to extract heat from the outdoors during colder months. Backed by a 7-year compressor warranty (plus a limited lifetime compressor warranty) and a 5-year parts warranty!
MRCOOL DIY 5th Gen Multizone 55,000 BTU systems can support up to SIX indoor units.
The MRCOOL DIY Multi-Zone 55,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 6K + 36K is incredibly easy to install and requires no special training or costly tools. The system includes Quick Connect line sets pre-charged with environmentally friendly R-454B refrigerant, a next-generation, low-GWP (global warming potential) refrigerant that meets 2025 EPA compliance. Thanks to these pre-charged lines, there’s no need to hire an HVAC professional. We also provide step-by-step video instructions for DIY installation!
The MRCOOL DIY Multi-Zone 55,000 BTU 22 SEER2 2 Zone Ductless Heat Pump Split System – 6K + 36K cools through the summer, heats through the winter, and dehumidifies during wet seasons. Monitor each room’s climate via the digital display or the MRCOOL Smart Controller mobile app. The display on each indoor air handler also provides troubleshooting codes and alerts. Operate the system using the included remote or the MRCOOL Smart Controller app for Apple or Android. You can even control it with Amazon Alexa or Google Home.
Each MRCOOL DIY Multi-Zone air handler provides directional airflow to maintain an even, comfortable environment. For forced cooling or testing, use the manual control under the front panel. This emergency operation mode is useful for setup or maintenance.
In auto mode, the unit automatically adjusts heating or cooling based on your desired temperature. You can also set it to drying mode for dehumidification while maintaining temperature control.
Sleep mode saves energy and money during the night by running in a low-power cycle for 8 hours once activated.
The MRCOOL DIY Multi-Zone 55,000 BTU 22 SEER2 Two-Zone Ductless Heat Pump Split Air Conditioner System – 6K + 36K offers flexible features to match your lifestyle. Use the programmable timer to limit energy use. If refrigerant levels drop, the unit will alert you via the front display. To minimize noise and lights, you can mute the indoor unit, silencing alerts and turning off the LED display. In case of a power outage, the system automatically restores your previous settings once power is back.
Maintain your MRCOOL DIY Multi-Zone 55,000 BTU 22 SEER2 Two-Zone Ductless Heat Pump Split Air Conditioner Unit with ease. Troubleshooting codes appear on the display and are explained in the manual. Filter cleaning reminders are automatic, and the indoor units can be wiped down with a dry or damp cloth for simple maintenance.
Features:
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Easy DIY® Installation
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Pre-charged DIY® Quick Connect Line Set
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Uses Eco-Friendly R-454B Refrigerant (EPA 2025 Compliant)
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Multi-room Comfort
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Energy Efficient DC Inverter
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100% Sealed System
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Gold Fin® Condenser
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Smartphone App Controls
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Lifetime Technical Support
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Follow Me® Feature
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Low Ambient Cooling
Brochure for MRCOOL DIY 48K Dual Zone Mini Split System
Install Manual for MRCOOL DIY 48K Dual Zone Mini Split System
