The 2012 model Dr Infrared Heater, newly engineered and designed in the US, is one of the best alternatives and most efficient heating source for you this winter. Combining PTC and Quartz Infrared Element and a High Velocity Low Noise blower, the Dr Infrared Heater increases the heat distribution and transfer rate and the result is heating your room to a comfortable temperature, fast. Testing shows, the Dr Infrared Heater generates 60% more heat than most other heaters in the market. The heater is certified by Underwriters Laboratories (UL) USA & Canada, ensuring the highest safety standard . Perfectly safe around children and pets, the heater only gets warm to the touch and does not have exposed heating elements that can cause a fire. The Dr Infrared Heater comes with Energy saving Auto Mode, high and low setting. when the mode is set to Auto, the unit will cycle on and off and switch between high or low setting to maintain the desired temperature setting.