A vehicle seat includes a seating portion and a backrest portion coupled to the seating portion. The seat also includes a temperature-control system associated with at least one of the seating portion and the backrest portion. The temperature-control system includes a base layer and an intermediate layer disposed adjacent to the base layer. The intermediate layer is adapted to allow fluid to flow through it. The temperature-control system includes a cover layer disposed adjacent to the intermediate layer. The temperature-control system includes at least one heating element disposed between the intermediate layer and the cover layer. The temperature-control system further includes a fluid pump to provide fluid flow through the intermediate layer.

A climate control device includes a first and a second thermal module. The first module is configured to provide climate conditioned air to a first portion of a seat. The second module is configured to provide climate conditioned air to a second portion of the seat. A control system is provided for controlling the climate control device. The control system includes an input device for providing a set point for the system. A first control unit of the control system is provided for the first thermal module and a second control unit is provided for the second thermal module.

Disclosed is a hot water seat system of a fuel cell vehicle including a hot water circulating part configured to adjust a temperature of hot water to a preset target temperature range, a processor configured to control a flow of the hot water, and a hot water seat having a hot water pipe, in which the temperature adjusted hot water flows via the hot water circulating part, and the hot water circulating part includes a first water tank configured to receive the hot water discharged from the fuel cell stack, and a second water tank configured to supply the temperature adjusted hot water in the target temperature range to the hot water seat.

A system for selectively providing either a heated or cooled flow of air to the neck area of the seat occupant. A first embodiment of the present invention provides air flow out of adjustable nozzles fitted to each of the head restraint stays. According to this embodiment, air may also flow out of a vent provided in the front of the head restraint. A second embodiment of the present invention provides air flow out of an adjustable vent positioned on the upper portion of the seat back. Waste air is vented through the seat back or the seat base in a direction away from the conditioned air vents. Waste air is vented near the base of the seat back, through both the seat back and the seat base and out of the seat base, or through both the seat back and the seat base and through the vehicle floor.

A heat pump system for a vehicle may efficiently adjust the temperature of heating elements by using a chiller where a refrigerant and a coolant exchange heat. At the same time, the heat pump system may efficiently perform cooling and heating of a rear seat by using a rear heating, ventilation, and air conditioning (HVAC) module provided with a heat-exchanger.

A heat pump system for a vehicle may efficiently adjust the temperature of heating elements by using a chiller where a refrigerant and a coolant exchange heat. At the same time, the heat pump system may efficiently perform cooling and heating of a rear seat by using a rear heating, ventilation, and air conditioning (HVAC) module provided with a heat-exchanger.