The MRCOOL MVPHK05 VersaPro 2nd Gen Hyper Heat Air Handler Heat Kit is an electric heating accessory designed for compatible MRCOOL air handlers in residential HVAC systems. It works by using electric resistance heating elements to provide supplemental or primary heat when additional warmth is required. Designed for use with compatible heat pump air-handling equipment, this heat kit s... https://www.partshnc.com/mrcool-5kw-heat-kit-mvphk05