
MRCOOL DIY 5th Gen Multi-Zone 2-Zone 18,000 BTU 24 SEER2 (6K + 12K) Ductless Mini-Split Air Conditioner and Heat Pump
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The MRCOOL DIY 5th Gen Multi-Zone is a ductless heat pump system with an 18,000 BTU outdoor condenser feeding two wall-mounted air handlers, a 6,000 BTU unit for roughly 200 sq ft and a 12,000 BTU unit for roughly 600 sq ft. It heats and cools, running in reverse in winter, and uses a pre-charged quick-connect line set so a homeowner can install it without a vacuum pump or brazing torch. The 24 SEER2 rating and DC inverter compressor put it among the more efficient DIY multi-zone kits. It suits owners who want two-zone comfort without paying an installer, though the condenser supports up to three indoor heads and the 27,000 BTU model is the step up for four rooms.
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This MRCOOL DIY 5th Gen Multi-Zone system is a ductless mini-split heat pump that heats and cools two zones from one 18,000 BTU condenser. It comes with two indoor air handlers, one 6,000 BTU and one 12,000 BTU. They cover approximately 200 and 600 square feet respectively. As a heat pump, it runs in reverse to pull heat from outdoors in heating mode.
It is designed for do-it-yourself installation without special tools or training. The system uses pre-charged Quick Connect line sets filled with R-454B refrigerant. The line sets are sold separately. The included DIYPro cable removes the need for electrical conduit. The condenser can support up to three indoor units.
The Smart HVAC app and controller module work with Amazon Alexa and Google Assistant. Through the app you can set schedules, temperature ranges and operating mode. The included remote has a Follow Me function that tracks the air temperature around you. The system also has a DC inverter, a 100% sealed system, a Gold Fin condenser and low ambient cooling.
















