An electric heating blanket is much better than a room heater and heat convector system. When you need a warm bed, you actually need not waste money in heating up the entire room or house either. This product is very economical and safe and is very useful for arthriticsold age pains. It has been proven that it is better for the health of people to sleep in a cool room and a warm bed. This product is a hundred percent safe for use and does not affect the level of oxygen in a room unlike a room heating system.