MRCOOL DIY systems are world-renowned for their innovative "Easy Connect" line sets that allow for installation without professional HVAC tools. Each new generation brings improvements in efficiency, Wi-Fi connectivity, and heating performance in cold climates. At South Mini Splits, our MRCOOL collection is a top choice for diy-1 enthusiasts looking to save on labor costs. These systems utilize advanced inverter technology to provide precise temperature control. We also stock a full range of mrcool-multi-zone-accessories to help you customize your installation. Choosing MRCOOL means you can have a pro-grade system up and running in a single afternoon.