A PTC heater (Positive Temperature Coefficient heater) is an electric heating element made from ceramic materials that naturally regulate their temperature. Unlike traditional resistance heaters, PTC heaters increase in resistance as they warm up, meaning they automatically limit their own heat output—making them safer and more energy-efficient.
The biggest benefit is self-regulation. There's no risk of overheating, because as the temperature rises, the current drops. This makes PTC heaters ideal for applications like space heaters, car seat warmers, battery warmers, and air conditioners. They also heat up quickly and distribute heat more evenly than traditional elements.
PTC heaters are compact, durable, and often require no external temperature control, which simplifies design in many electronic or industrial systems. They’re also known for their long life and resistance to moisture, making them suitable for enclosed or high-humidity environments.
In short, PTC heaters offer efficient, low-maintenance warmth with built-in safety—perfect for modern heating needs where reliability and control matter most.
Since its establishment in 2009, the Cixi Jianhui Electrical Technology Co., Ltd. is a two-season products professional manufacturer integrating with independent research, development and sales, involving in more than 200 kinds of products. We devoted to producing circulation fans, air coolers and room heaters, and has carried out strategic ODM and OEM cooperation with Midea，Skyworth，Meiling, TCL, Aucma, and other well-known wholesalers and distributors.Visit our website at https://www.jianhuiappliances.com/ to learn more about our products. For inquiries, you can reach us at funny-zhou@jhappliances.com.
