The most common type of electric heater is the infrared heating pad, which is also known as a thermostat. The thermostats are usually placed on top of your mattress and work by emitting infrared rays that heat up the surface…

The most common type of electric heater is the infrared heating pad, which is also known as a thermostat. The thermostats are usually placed on top of your mattress and work by emitting infrared rays that heat up the surface…