A vehicle includes an engine, a generator driven by the engine to generate an electric power, and a high-voltage battery charged with the electric power. An air heating in a vehicle interior is implemented by waste heat of the engine through which a heat medium is circulated and heated, and an air heating in the vehicle interior is implemented by a heat pump device consuming the electric power of the electric storage device. A hybrid ECU performs air conditioning control, and includes a determination device that determines whether to implement the air heating by the waste heat or the air heating by the heat pump device based on an engine body temperature, and a heating control device that selectively implements the air heating by the waste heat and the air heating by the heat pump device based on a determination result of the determination device.

A method for controlling heating of a hybrid vehicle is provided. The vehicle includes a duct flowing air into the indoor of the hybrid vehicle from the outside, a heater core for circulating the coolant heated from an engine inside the duct, a PTC heater heated by the power supplied from a high-voltage battery of the hybrid vehicle inside the duct, and a controller. The controller operates the engine and the PTC heater and heats the air flowing into the indoor of the hybrid vehicle through the duct. The voltage supplied to the PTC heater from a low voltage DC-DC converter (LDC) is changed based on the state of the engine and an auxiliary battery for supplying power to an electric component of the vehicle to apply power to the PTC heater.

A radiant heating system includes a radiant heating element, a steering wheel position monitoring device and a controller configured to control the radiant heating element in response to steering wheel position data received from the steering wheel position monitoring device. A method of controlling operation of a radiant system.

A heating apparatus of the invention executes a first heating control for heating a heater core by a heat generation device when a process of heating the heater core is requested while an engine operation is stopped. The heating apparatus executes a second heating control for heating the cooling water which cooled an internal combustion engine, by the heat generation device and supplying the heated cooling water to the heater core when a heater core temperature is not increased to a requested temperature only by the heat generation device. The heating apparatus executes a third heating control for stopping the engine operation, heating the cooling water which cooled the internal combustion engine, by the heat generation device, and supplying the heated cooling water to the heater core when an engine temperature becomes equal to or higher than a predetermined temperature while the second heating control is executed.

A method of controlling a hybrid intercooler system integrated with an air conditioning system includes: starting operation of the air conditioning system by opening first and second air conditioning valves and operating a compressor, when an operation signal of the air conditioning system is determined to be applied; measuring a first temperature by measuring a temperature of compressed air at an outlet of the hybrid intercooler system, after the starting operation of the air conditioning system; and starting operation of a first water cooling unit by opening first and second bypass valves, when the measured first temperature exceeds a predetermined first reference temperature. This method stabilizes the temperature of intake air passing through the inlet of an intercooler using a water cooling unit and increases the cooling efficiency of the intercooler using an air cooling unit.

A heating apparatus for a vehicle includes an air heating unit configured to heat air conditioning air to be sent into a vehicle cabin, a contact heating unit configured to heat a member that is in contact with a body of an occupant in the vehicle cabin, and an electronic control unit. A heat source of the air heating unit and a heat source of the contact heating unit each are supplied with an electric power from one or more batteries. The electronic control unit is configured to decrease an electric power that is supplied to the heat source of the air heating unit when the heat source of the contact heating unit is on as compared to an electric power that is supplied to the heat source of the air heating unit when the heat source of the contact heating unit is off.

A vehicle climate control system includes a heat exchanger to heat ambient air using engine waste heat, and a plurality of positive temperature coefficient (PTC) heating elements to heat air passed through the heat exchanger. The vehicle also includes a controller programmed to, while the vehicle is driven without engine propulsion, issue a command to sequentially de-energize the PTC heating elements before an upcoming engine activation. The sequential de-energization of the PTC heating elements is performed according to a schedule that is based upon a power surge dissipation time.

The present disclosure provides a hybrid intercooler system integrated with an air conditioning system and a method of controlling the same. In accordance with the present disclosure, it is possible to stabilize the temperature of intake air passing through the inlet of an intercooler using a water cooling unit and increase the cooling efficiency of the intercooler using an air cooling unit. Consequently, it is possible to improve engine power and fuel efficiency.

The disclosure relates to a method for increasing a temperature of a vehicle interior of a vehicle from a low temperature value to an increased temperature value, wherein the vehicle has a fuel cell system with a fuel cell stack and a compressor connected with the fuel cell stack at the cathode side, comprising: drawing in cathode gas via the compressor, and compressing and heating the drawn-in cathode gas. At least a portion of a cathode gas mass flow of the heated cathode gas is directed into the vehicle interior, and the temperature of the vehicle interior is raised to the increased temperature value. Moreover, the disclosure relates to a vehicle for implementing the method.

A vehicular heat management system includes a refrigerant circulation line configured to cool or heat a passenger compartment by generating a hot air or a cold air depending on a flow direction of a refrigerant, a cooling water circulation line configured to heat the passenger compartment with waste heat of an engine by allowing cooling water of the engine to circulate through a heater core, a refrigerant-cooling water heat exchanger disposed in the cooling water circulation line to allow the refrigerant and the cooling water to exchange heat, and an engine cooling water independent circulation unit configured to allow the cooling water passed through the engine to bypass the heater core and the refrigerant-cooling water heat exchanger.