MRCOOL MVP-36-HP-MUAH-230-00 VersaPro 3 Ton Central Ducted Air Handler is an indoor HVAC unit designed to distribute conditioned air efficiently through a central duct system. It works by drawing indoor air across the evaporator coil, where heat is absorbed or released, then circulating the conditioned air throughout the building for reliable heating and cooling. https://www.partshnc.com/mrcool-versapro-mvp-36-hp-muah-230-00