Power on: Electricity heats up the internal resistance coils or ceramic plates.Air draw: An electric fan pulls cool air from the room into the unit.Heat transfer: Air moves fast over the hot element and gets warm instantly.Air push: The fan forces the warm air back out to heat small spaces quickly.Key FeaturesThermostat: Lets you set and keep a steady target room temperature.Heat settings: Offers low, medium, or high wattage output levels.Fan-only mode: Turns off the heating element so the unit blows cool air in warm weather.Safety controls: Includes tip-over switches and auto shut-off sensors to prevent overheating.Pros and ConsPros: Low purchase cost, light weight, very portable, and gives instant heat.Cons: Makes fan noise, costs more to run during long hours, and warmth fades fast once turned off.