Product Safety ECO-heaters are designed to be left on for long periods of time. ECO-heaters operate at a relatively low surface temperature. Although the heater is hot to touch, it will not burn the skin if touched. It is always good practice, however to keep an eye on infants when they are near any type of heater. The top concerns with heater safety are the possibility of a fire. ECO-heaters have no exposed elements or areas for dust accumulation, therefore, the risk of fire is almost nil." Also, please read our SAFETY information under the tab Top 10 Benefits.