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The MRCOOL DIY 5th Gen EasyPro 18K is a single-zone ductless mini split for spaces up to about 800 square feet. It pairs a WiFi-enabled indoor air handler with an outdoor condenser and ships with a pre-charged 11.5 ft quick-connect line set, so a handy homeowner can install it without brazing or an HVAC tech. Efficiency is strong for the class at SEER2 20.0 and HSPF2 8.5, and the indoor unit runs at a rated 54 dB(A). It suits bedrooms, offices, additions and server rooms; against pro-installed brands it trades some peak capacity and installer support for self-install simplicity.
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Owners of the MRCOOL DIY line generally report straightforward self-installation and solid cooling, with the pre-charged line set doing most of the work. Complaints center on the fixed line length, the need for a dedicated 230V circuit, and app setup quirks.
The MRCOOL DIY 5th Gen EasyPro is an 18,000 BTU single zone mini split system for heating and cooling areas up to 800 square feet. It is a complete system with a WiFi-enabled indoor air handler and an outdoor condenser. It runs on 230V and is designed for DIY installation.
The included 11.5-foot line set is pre-charged and uses Quick Connect fittings, so installation does not require professional HVAC service. The condenser has a corrosion-resistant Gold Fin coating for coastal or harsh weather environments. The system uses R-454B refrigerant.
WiFi works with the MRCOOL Smart HVAC Controller app, Google Assistant and Amazon Alexa. The remote uses Follow Me technology to regulate temperature based on the remote's location in the room. The unit operates at 54 dB(A) and keeps cooling when outdoor temperatures fall to 5°F. Active Clean Technology keeps the indoor coil fresh and simplifies filter maintenance.
