White Rodgers 1F80224 Thermostat simultaneaously controls heat and cool program storage.This 24 hour electronnic digital thermostat also comes ready-to-go with four separate temperature settingsPREPROGRAMMED, PRECISE, AND POPULAR, THE 1F80-224 IS A VERY GOOD CHOICE!Your White Rodgers thermostat also incorporates microcomputer action to precisely control the temperature and the time to bring you exact 24 hour programming.To fit your preferences, the 1F80-224 converts Farenheait or Celsius and features a HOLD temperature so that you can adjust your pre-programmed setting if you so choose. The LCD screen delivers accurate temperatures and is a nice addition to your home.