Thermal inertia ceramic room heaters with aluminum alloy shell. for large space heating, capable of uninterrupted, continuous heating of indoor space. The kind of thermal inertial ceramic space heater is designed for large space heaters. Heating elements is high quality magnesia block, It has excellent thermal inertia, when the thermostat is disconnected, the heater can continue to produce heat, It transmits heat to space by gentle free convection.