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A two-zone ductless heat pump system: an 18,000 BTU outdoor condenser paired with two 6,000 BTU wall air handlers, each sized for rooms up to about 200 sq. ft. Its selling point is DIY installation, using pre-charged Quick Connect line sets filled with R-454B refrigerant, so no brazing, vacuum pump or HVAC license is needed. Efficiency is high at 24 SEER2, which is competitive with pro-installed multi-zone systems. It suits homeowners adding cooling and heating to two bedrooms or offices without hiring an installer; the trade-off is that each zone is small, and the line sets limit how far the air handlers can sit from the condenser.
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Owners rate the system well overall, with most praise going to the straightforward Quick Connect installation and quiet operation. Complaints tend to center on installation details and the limits of the small 6K zones.
This is a dual-zone ductless mini-split heat pump system. It pairs an 18,000 BTU outdoor condenser with two 6,000 BTU wall-mounted air handlers. Each air handler covers rooms up to about 200 sq. ft., for about 400 sq. ft. in total. It cools in summer, heats in winter, and dehumidifies in wet seasons.
The system is designed for DIY installation without special tools, training or an HVAC license. The pre-charged Quick Connect line sets come filled with R-454B refrigerant. Step-by-step video instructions are available. The outdoor unit has a Gold Fin condenser for corrosion resistance and uses inverter technology.
Each air handler comes with a wireless remote. The system can also be controlled with the MRCOOL Smart Controller app, Amazon Alexa or Google Home. The Follow Me function uses sensors in the remote to adjust the temperature based on where you are in the room. A digital display shows error codes, filter reminders and refrigerant alerts. Sleep mode saves energy overnight, and mute mode turns off lights and alerts. The system remembers its last settings and restarts automatically after a power outage. It also cools in cold outdoor conditions.
