... % electricity and heat exchange 2.energy saving, noiseless,not dry 3.far infrared, 4.more healthy 5.comfortable 1.Application area: carbon ... is the main heating element and its electric conversion rate can reach to 98% high. (2). it heats human body directly ... life, 10 years warrant(3).with automatical thermostat, temperature limited(4).no pollution, noiseless,not dry(5).far infrared, more healthy and ...