Friedrich is one of the largest supplier of PTAC units in the world. Friedrich PTAC units are available in multiple BTU sizes and can be purchased with either a electric strip heater or heat pump. Models are available in both 230 or 265 Voltage. Select from the economy line ZoneAire series or the feature packed Premier series which offer the highest EER in the industry and universal power cords.All Friedrich PTAC units can be purchased as a replacement unit only which fit most competitive 42x16 PTAC wall sleeves or you can add new installation accessories including wall sleeve, exterior grille and drain kit. Please allow a 7-10 day delivery time for most orders.