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How to Install a MRCOOL DIY Mini Split: Step-by-Step Installation Guide

Thinking about installing a MRCOOL DIY mini split yourself? This step-by-step installation guide walks you through planning, mounting the indoor air handler, preparing the wall opening, connecting Quick Connect® refrigerant lines, positioning the outdoor condenser, electrical requirements, and testing your new heating and cooling system. Includes a manufacturer installation video, helpful tips, and common mistakes to avoid.