A PTC room heater, or Positive Temperature Coefficient heater, operates using ceramic elements that heat up rapidly when powered on. These ceramic elements are designed to increase their ...

Amazon has thought one step ahead of you with this ceramic space heater ... This space heater, like many others on this list, employs PTC—Positive Temperature Coefficient—a heating element ...

That’s where a PTC room heater comes in. These heaters use ceramic elements that heat up quickly when switched on. As they warm, their resistance naturally increases, which means they draw less ...