NF 3.5kw PTC Air Heater for EV Car (OEM)
Product Description
The heater portion of the PTC heater assembly is located in the lower part of the heater and utilizes the properties of the PTC sheet for heating. The heater operates at high voltage, with the PTC element generating thermal energy. This heat is conducted to the aluminum fins of the radiator and subsequently dissipated by the airflow produced by the blower fan, resulting in the expulsion of warm air.


The PTC air heater assembly adopts one-piece structure, which integrates the controller and PTC heater into one, the product is small in size, light in weight and easy to install.The PTC heater features a compact and well-organized structural design, which maximizes space utilization while ensuring efficient operation. Safety, waterproofing, and ease of assembly have been carefully integrated into the heater’s design to guarantee reliable performance under normal operating conditions.
Technical Parameter
Rated Voltage | 333V |
Power | 3.5KW |
Wind speed | Through 4.5m/s |
Voltage resistance | 1500V/1min/5mA |
Insulation resistance | ≥50MΩ |
Communication methods | CAN |
Application

FAQ
Q: Are you a manufacturer, trading company or a third party?
A: We are a group company with 6 factories, that specially produce heaters and heater parts for more than 30 years.
Q: Where is your factory located?
A: Our factories are located in Hebei Province, China.
Q: How can I get to your factory?
A: Our factory is near Beijing Airport, we can pick you up in the airport.
Q: If i will need to stay in your place for few days, is that possible to book the hotel for me?
A: It’s always my pleasure, hotel booking service is available.
Q: What is your minimum order quantity, can you send me samples?
A: Our minimum quantity is up to the specific product.
Our Company
Hebei Nanfeng Automobile Equipment (Group) Co.,Ltd is a group company with 6 factories, that specially produce parking heaters, parking air conditioners, electric vehicle heaters and heater parts for more than 30 years. We are the leading parking heater manufacturers in China.
Our factory's production units are equipped with high tech machineries, strict quality control testing devices and a team of professional technicians and engineers endorsing the quality and authenticity of our products.
In 2006, our company has passed ISO/TS16949:2002 quality management system certification. We also bagged the CE certificate and Emark certificate making us amongst the only few companies in the world acquiring such high level certifications. Currently being the largest stakeholders in China, we hold a domestic market share of 40% and then we export them around the globe particularly in Asia, Europe and Americas.
Meeting the standards and demands of our customers have always been our top priority. It always encourages our experts to continuously brain storm, innovate, design and manufacture new products, impeccably suitable for the Chinese market and our customers from every nook of the world.

