Valeo Additional Heater Cores (PTC) Air conditioning for Passenger car

Additional heater cores (CTP)

More heat when you need it

Almost all vehicles are fitted with heating systems, and an additional electric heating device called a Positive Temperature Coefficient, or PTC, is sometimes added to a system to provide additional heat during some transient phases.

Self-regulated heaters

PTC’s are self-regulated electric heaters used to complement the main heater core. They are generally located after the heater core but can sometimes be placed in the ducts (the feet heater). PTC’s are often introduced to climate control systems to compensate for a lack of heat availability, which can be the case with high efficiency engines.

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